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Cache account stores, flush from AccountsBackgroundService (#13140)

This commit is contained in:
carllin 2021-01-11 17:00:23 -08:00 committed by GitHub
parent 4a66e3eddc
commit 6dfad0652f
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GPG Key ID: 4AEE18F83AFDEB23
25 changed files with 2604 additions and 833 deletions
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11
accounts-bench/src/main.rs
View File

@ -2,13 +2,11 @@ use clap::{crate_description, crate_name, value_t, App, Arg};
use rayon::prelude::*;
use solana_measure::measure::Measure;
use solana_runtime::{
accounts::{create_test_accounts, update_accounts, Accounts},
accounts::{create_test_accounts, update_accounts_bench, Accounts},
accounts_index::Ancestors,
};
use solana_sdk::{genesis_config::ClusterType, pubkey::Pubkey};
use std::env;
use std::fs;
use std::path::PathBuf;
use std::{collections::HashSet, env, fs, path::PathBuf};
fn main() {
solana_logger::setup();
@ -56,7 +54,8 @@ fn main() {
if fs::remove_dir_all(path.clone()).is_err() {
println!("Warning: Couldn't remove {:?}", path);
}
let accounts = Accounts::new(vec![path], &ClusterType::Testnet);
let accounts =
Accounts::new_with_config(vec![path], &ClusterType::Testnet, HashSet::new(), false);
println!("Creating {} accounts", num_accounts);
let mut create_time = Measure::start("create accounts");
let pubkeys: Vec<_> = (0..num_slots)
@ -92,7 +91,7 @@ fn main() {
time.stop();
println!("{}", time);
for slot in 0..num_slots {
update_accounts(&accounts, &pubkeys, ((x + 1) * num_slots + slot) as u64);
update_accounts_bench(&accounts, &pubkeys, ((x + 1) * num_slots + slot) as u64);
accounts.add_root((x * num_slots + slot) as u64);
}
} else {

2
core/src/tvu.rs
View File

@ -78,6 +78,7 @@ pub struct TvuConfig {
pub trusted_validators: Option<HashSet<Pubkey>>,
pub repair_validators: Option<HashSet<Pubkey>>,
pub accounts_hash_fault_injection_slots: u64,
pub accounts_db_caching_enabled: bool,
}
impl Tvu {
@ -272,6 +273,7 @@ impl Tvu {
bank_forks.clone(),
&exit,
accounts_background_request_handler,
tvu_config.accounts_db_caching_enabled,
);
Tvu {

4
core/src/validator.rs
View File

@ -119,6 +119,7 @@ pub struct ValidatorConfig {
pub no_poh_speed_test: bool,
pub poh_pinned_cpu_core: usize,
pub account_indexes: HashSet<AccountIndex>,
pub accounts_db_caching_enabled: bool,
}
impl Default for ValidatorConfig {
@ -164,6 +165,7 @@ impl Default for ValidatorConfig {
no_poh_speed_test: true,
poh_pinned_cpu_core: poh_service::DEFAULT_PINNED_CPU_CORE,
account_indexes: HashSet::new(),
accounts_db_caching_enabled: false,
}
}
}
@ -629,6 +631,7 @@ impl Validator {
trusted_validators: config.trusted_validators.clone(),
repair_validators: config.repair_validators.clone(),
accounts_hash_fault_injection_slots: config.accounts_hash_fault_injection_slots,
accounts_db_caching_enabled: config.accounts_db_caching_enabled,
},
);
@ -960,6 +963,7 @@ fn new_banks_from_ledger(
frozen_accounts: config.frozen_accounts.clone(),
debug_keys: config.debug_keys.clone(),
account_indexes: config.account_indexes.clone(),
accounts_db_caching_enabled: config.accounts_db_caching_enabled,
..blockstore_processor::ProcessOptions::default()
};

4
core/tests/snapshots.rs
View File

@ -105,6 +105,7 @@ mod tests {
None,
None,
HashSet::new(),
false,
);
bank0.freeze();
let mut bank_forks = BankForks::new(bank0);
@ -161,6 +162,7 @@ mod tests {
None,
None,
HashSet::new(),
false,
)
.unwrap();
@ -216,7 +218,7 @@ mod tests {
if slot % set_root_interval == 0 || slot == last_slot - 1 {
// set_root should send a snapshot request
bank_forks.set_root(bank.slot(), &request_sender, None);
snapshot_request_handler.handle_snapshot_requests();
snapshot_request_handler.handle_snapshot_requests(false);
}
}

1
ledger-tool/src/main.rs
View File

@ -1926,6 +1926,7 @@ fn main() {
);
assert!(bank.is_complete());
bank.squash();
bank.force_flush_accounts_cache();
bank.clean_accounts(true);
bank.update_accounts_hash();
if rehash {

1
ledger/src/bank_forks_utils.rs
View File

@ -69,6 +69,7 @@ pub fn load(
process_options.debug_keys.clone(),
Some(&crate::builtins::get(process_options.bpf_jit)),
process_options.account_indexes.clone(),
process_options.accounts_db_caching_enabled,
)
.expect("Load from snapshot failed");
if let Some(shrink_paths) = shrink_paths {

5
ledger/src/blockstore_processor.rs
View File

@ -346,6 +346,7 @@ pub struct ProcessOptions {
pub frozen_accounts: Vec<Pubkey>,
pub debug_keys: Option<Arc<HashSet<Pubkey>>>,
pub account_indexes: HashSet<AccountIndex>,
pub accounts_db_caching_enabled: bool,
}
pub fn process_blockstore(
@ -371,6 +372,7 @@ pub fn process_blockstore(
opts.debug_keys.clone(),
Some(&crate::builtins::get(opts.bpf_jit)),
opts.account_indexes.clone(),
opts.accounts_db_caching_enabled,
);
let bank0 = Arc::new(bank0);
info!("processing ledger for slot 0...");
@ -929,6 +931,8 @@ fn load_frozen_forks(
new_root_bank.squash();
if last_free.elapsed() > Duration::from_secs(10) {
// Must be called after `squash()`, so that AccountsDb knows what
// the roots are for the cache flushing in exhaustively_free_unused_resource().
// This could take few secs; so update last_free later
new_root_bank.exhaustively_free_unused_resource();
last_free = Instant::now();
@ -2901,6 +2905,7 @@ pub mod tests {
None,
None,
HashSet::new(),
false,
);
*bank.epoch_schedule()
}

1
run.sh
View File

@ -105,6 +105,7 @@ args=(
--init-complete-file "$dataDir"/init-completed
--snapshot-compression none
--require-tower
--accounts-db-caching-enabled
)
# shellcheck disable=SC2086
solana-validator "${args[@]}" $SOLANA_RUN_SH_VALIDATOR_ARGS &

43
runtime/benches/accounts.rs
View File

@ -50,6 +50,7 @@ fn test_accounts_create(bencher: &mut Bencher) {
None,
None,
HashSet::new(),
false,
);
bencher.iter(|| {
let mut pubkeys: Vec<Pubkey> = vec![];
@ -61,35 +62,39 @@ fn test_accounts_create(bencher: &mut Bencher) {
fn test_accounts_squash(bencher: &mut Bencher) {
let (mut genesis_config, _) = create_genesis_config(100_000);
genesis_config.rent.burn_percent = 100; // Avoid triggering an assert in Bank::distribute_rent_to_validators()
let bank1 = Arc::new(Bank::new_with_paths(
let mut prev_bank = Arc::new(Bank::new_with_paths(
&genesis_config,
vec![PathBuf::from("bench_a1")],
&[],
None,
None,
HashSet::new(),
false,
));
let mut pubkeys: Vec<Pubkey> = vec![];
deposit_many(&bank1, &mut pubkeys, 250_000);
bank1.freeze();
deposit_many(&prev_bank, &mut pubkeys, 250_000);
prev_bank.freeze();
// Measures the performance of the squash operation.
// This mainly consists of the freeze operation which calculates the
// merkle hash of the account state and distribution of fees and rent
let mut slot = 1u64;
bencher.iter(|| {
let bank2 = Arc::new(Bank::new_from_parent(&bank1, &Pubkey::default(), slot));
bank2.deposit(&pubkeys[0], 1);
bank2.squash();
let next_bank = Arc::new(Bank::new_from_parent(&prev_bank, &Pubkey::default(), slot));
next_bank.deposit(&pubkeys[0], 1);
next_bank.squash();
slot += 1;
prev_bank = next_bank;
});
}
#[bench]
fn test_accounts_hash_bank_hash(bencher: &mut Bencher) {
let accounts = Accounts::new(
let accounts = Accounts::new_with_config(
vec![PathBuf::from("bench_accounts_hash_internal")],
&ClusterType::Development,
HashSet::new(),
false,
);
let mut pubkeys: Vec<Pubkey> = vec![];
let num_accounts = 60_000;
@ -107,9 +112,11 @@ fn test_accounts_hash_bank_hash(bencher: &mut Bencher) {
#[bench]
fn test_update_accounts_hash(bencher: &mut Bencher) {
solana_logger::setup();
let accounts = Accounts::new(
let accounts = Accounts::new_with_config(
vec![PathBuf::from("update_accounts_hash")],
&ClusterType::Development,
HashSet::new(),
false,
);
let mut pubkeys: Vec<Pubkey> = vec![];
create_test_accounts(&accounts, &mut pubkeys, 50_000, 0);
@ -124,9 +131,11 @@ fn test_update_accounts_hash(bencher: &mut Bencher) {
#[bench]
fn test_accounts_delta_hash(bencher: &mut Bencher) {
solana_logger::setup();
let accounts = Accounts::new(
let accounts = Accounts::new_with_config(
vec![PathBuf::from("accounts_delta_hash")],
&ClusterType::Development,
HashSet::new(),
false,
);
let mut pubkeys: Vec<Pubkey> = vec![];
create_test_accounts(&accounts, &mut pubkeys, 100_000, 0);
@ -138,17 +147,19 @@ fn test_accounts_delta_hash(bencher: &mut Bencher) {
#[bench]
fn bench_delete_dependencies(bencher: &mut Bencher) {
solana_logger::setup();
let accounts = Accounts::new(
let accounts = Accounts::new_with_config(
vec![PathBuf::from("accounts_delete_deps")],
&ClusterType::Development,
HashSet::new(),
false,
);
let mut old_pubkey = Pubkey::default();
let zero_account = Account::new(0, 0, &Account::default().owner);
for i in 0..1000 {
let pubkey = solana_sdk::pubkey::new_rand();
let account = Account::new((i + 1) as u64, 0, &Account::default().owner);
accounts.store_slow(i, &pubkey, &account);
accounts.store_slow(i, &old_pubkey, &zero_account);
accounts.store_slow_uncached(i, &pubkey, &account);
accounts.store_slow_uncached(i, &old_pubkey, &zero_account);
old_pubkey = pubkey;
accounts.add_root(i);
}
@ -165,12 +176,14 @@ fn store_accounts_with_possible_contention<F: 'static>(
F: Fn(&Accounts, &[Pubkey]) + Send + Copy,
{
let num_readers = 5;
let accounts = Arc::new(Accounts::new(
let accounts = Arc::new(Accounts::new_with_config(
vec![
PathBuf::from(std::env::var("FARF_DIR").unwrap_or_else(|_| "farf".to_string()))
.join(bench_name),
],
&ClusterType::Development,
HashSet::new(),
false,
));
let num_keys = 1000;
let slot = 0;
@ -180,7 +193,7 @@ fn store_accounts_with_possible_contention<F: 'static>(
.map(|_| {
let pubkey = solana_sdk::pubkey::new_rand();
let account = Account::new(1, 0, &Account::default().owner);
accounts.store_slow(slot, &pubkey, &account);
accounts.store_slow_uncached(slot, &pubkey, &account);
pubkey
})
.collect(),
@ -206,7 +219,7 @@ fn store_accounts_with_possible_contention<F: 'static>(
// Write to a different slot than the one being read from. Because
// there's a new account pubkey being written to every time, will
// compete for the accounts index lock on every store
accounts.store_slow(slot + 1, &solana_sdk::pubkey::new_rand(), &account);
accounts.store_slow_uncached(slot + 1, &solana_sdk::pubkey::new_rand(), &account);
}
})
}

2
runtime/benches/accounts_index.rs
View File

@ -47,7 +47,7 @@ fn bench_accounts_index(bencher: &mut Bencher) {
);
reclaims.clear();
}
index.add_root(root);
index.add_root(root, false);
root += 1;
fork += 1;
});

1
runtime/benches/append_vec.rs
View File

@ -48,6 +48,7 @@ fn append_vec_sequential_read(bencher: &mut Bencher) {
let mut indexes = add_test_accounts(&vec, size);
bencher.iter(|| {
let (sample, pos) = indexes.pop().unwrap();
println!("reading pos {} {}", sample, pos);
let (account, _next) = vec.get_account(pos).unwrap();
let (_meta, test) = create_test_account(sample);
assert_eq!(account.data, test.data.as_slice());

119
runtime/src/accounts.rs
View File

@ -1,7 +1,6 @@
use crate::{
accounts_db::{AccountsDB, AppendVecId, BankHashInfo, ErrorCounters},
accounts_db::{AccountsDB, AppendVecId, BankHashInfo, ErrorCounters, LoadedAccount},
accounts_index::{AccountIndex, Ancestors, IndexKey},
append_vec::StoredAccount,
bank::{
NonceRollbackFull, NonceRollbackInfo, TransactionCheckResult, TransactionExecutionResult,
},
@ -82,19 +81,21 @@ pub enum AccountAddressFilter {
impl Accounts {
pub fn new(paths: Vec<PathBuf>, cluster_type: &ClusterType) -> Self {
Self::new_with_indexes(paths, cluster_type, HashSet::new())
Self::new_with_config(paths, cluster_type, HashSet::new(), false)
}
pub fn new_with_indexes(
pub fn new_with_config(
paths: Vec<PathBuf>,
cluster_type: &ClusterType,
account_indexes: HashSet<AccountIndex>,
caching_enabled: bool,
) -> Self {
Self {
accounts_db: Arc::new(AccountsDB::new_with_indexes(
accounts_db: Arc::new(AccountsDB::new_with_config(
paths,
cluster_type,
account_indexes,
caching_enabled,
)),
account_locks: Mutex::new(HashSet::new()),
readonly_locks: Arc::new(RwLock::new(Some(HashMap::new()))),
@ -447,24 +448,20 @@ impl Accounts {
}
/// scans underlying accounts_db for this delta (slot) with a map function
/// from StoredAccount to B
/// from LoadedAccount to B
/// returns only the latest/current version of B for this slot
fn scan_slot<F, B>(&self, slot: Slot, func: F) -> Vec<B>
pub fn scan_slot<F, B>(&self, slot: Slot, func: F) -> Vec<B>
where
F: Fn(&StoredAccount) -> Option<B> + Send + Sync,
F: Fn(LoadedAccount) -> Option<B> + Send + Sync,
B: Send + Default,
{
let accumulator: Vec<Vec<(Pubkey, u64, B)>> = self.accounts_db.scan_account_storage(
slot,
|stored_account: &StoredAccount,
_id: AppendVecId,
accum: &mut Vec<(Pubkey, u64, B)>| {
if let Some(val) = func(&stored_account) {
accum.push((
stored_account.meta.pubkey,
std::u64::MAX - stored_account.meta.write_version,
val,
));
|loaded_account: LoadedAccount, _id: AppendVecId, accum: &mut Vec<(Pubkey, u64, B)>| {
let pubkey = *loaded_account.pubkey();
let write_version = loaded_account.write_version();
if let Some(val) = func(loaded_account) {
accum.push((pubkey, std::u64::MAX - write_version, val));
}
},
);
@ -488,11 +485,11 @@ impl Accounts {
self.scan_slot(slot, |stored_account| {
let hit = match program_id {
None => true,
Some(program_id) => stored_account.account_meta.owner == *program_id,
Some(program_id) => stored_account.owner() == program_id,
};
if hit {
Some((stored_account.meta.pubkey, stored_account.clone_account()))
Some((*stored_account.pubkey(), stored_account.account()))
} else {
None
}
@ -675,9 +672,15 @@ impl Accounts {
)
}
/// Slow because lock is held for 1 operation instead of many
pub fn store_slow(&self, slot: Slot, pubkey: &Pubkey, account: &Account) {
self.accounts_db.store(slot, &[(pubkey, account)]);
/// Slow because lock is held for 1 operation instead of many.
/// WARNING: This noncached version is only to be used for tests/benchmarking
/// as bypassing the cache in general is not supported
pub fn store_slow_uncached(&self, slot: Slot, pubkey: &Pubkey, account: &Account) {
self.accounts_db.store_uncached(slot, &[(pubkey, account)]);
}
pub fn store_slow_cached(&self, slot: Slot, pubkey: &Pubkey, account: &Account) {
self.accounts_db.store_cached(slot, &[(pubkey, account)]);
}
fn is_locked_readonly(&self, key: &Pubkey) -> bool {
@ -846,7 +849,7 @@ impl Accounts {
/// Store the accounts into the DB
// allow(clippy) needed for various gating flags
#[allow(clippy::too_many_arguments)]
pub fn store_accounts(
pub fn store_cached(
&self,
slot: Slot,
txs: &[Transaction],
@ -868,7 +871,7 @@ impl Accounts {
fix_recent_blockhashes_sysvar_delay,
rent_fix_enabled,
);
self.accounts_db.store(slot, &accounts_to_store);
self.accounts_db.store_cached(slot, &accounts_to_store);
}
/// Purge a slot if it is not a root
@ -876,6 +879,7 @@ impl Accounts {
pub fn purge_slot(&self, slot: Slot) {
self.accounts_db.purge_slot(slot);
}
/// Add a slot to root. Root slots cannot be purged
pub fn add_root(&self, slot: Slot) {
self.accounts_db.add_root(slot)
@ -1024,16 +1028,18 @@ pub fn create_test_accounts(
for t in 0..num {
let pubkey = solana_sdk::pubkey::new_rand();
let account = Account::new((t + 1) as u64, 0, &Account::default().owner);
accounts.store_slow(slot, &pubkey, &account);
accounts.store_slow_uncached(slot, &pubkey, &account);
pubkeys.push(pubkey);
}
}
pub fn update_accounts(accounts: &Accounts, pubkeys: &[Pubkey], slot: u64) {
// Only used by bench, not safe to call otherwise accounts can conflict with the
// accounts cache!
pub fn update_accounts_bench(accounts: &Accounts, pubkeys: &[Pubkey], slot: u64) {
for pubkey in pubkeys {
let amount = thread_rng().gen_range(0, 10);
let account = Account::new(amount, 0, &Account::default().owner);
accounts.store_slow(slot, &pubkey, &account);
accounts.store_slow_uncached(slot, &pubkey, &account);
}
}
@ -1070,9 +1076,10 @@ mod tests {
) -> Vec<TransactionLoadResult> {
let mut hash_queue = BlockhashQueue::new(100);
hash_queue.register_hash(&tx.message().recent_blockhash, &fee_calculator);
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
for ka in ka.iter() {
accounts.store_slow(0, &ka.0, &ka.1);
accounts.store_slow_uncached(0, &ka.0, &ka.1);
}
let ancestors = vec![(0, 0)].into_iter().collect();
@ -1619,18 +1626,19 @@ mod tests {
#[test]
fn test_load_by_program_slot() {
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
// Load accounts owned by various programs into AccountsDB
let pubkey0 = solana_sdk::pubkey::new_rand();
let account0 = Account::new(1, 0, &Pubkey::new(&[2; 32]));
accounts.store_slow(0, &pubkey0, &account0);
accounts.store_slow_uncached(0, &pubkey0, &account0);
let pubkey1 = solana_sdk::pubkey::new_rand();
let account1 = Account::new(1, 0, &Pubkey::new(&[2; 32]));
accounts.store_slow(0, &pubkey1, &account1);
accounts.store_slow_uncached(0, &pubkey1, &account1);
let pubkey2 = solana_sdk::pubkey::new_rand();
let account2 = Account::new(1, 0, &Pubkey::new(&[3; 32]));
accounts.store_slow(0, &pubkey2, &account2);
accounts.store_slow_uncached(0, &pubkey2, &account2);
let loaded = accounts.load_by_program_slot(0, Some(&Pubkey::new(&[2; 32])));
assert_eq!(loaded.len(), 2);
@ -1642,7 +1650,8 @@ mod tests {
#[test]
fn test_accounts_account_not_found() {
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
let mut error_counters = ErrorCounters::default();
let ancestors = vec![(0, 0)].into_iter().collect();
@ -1660,7 +1669,8 @@ mod tests {
#[test]
#[should_panic]
fn test_accounts_empty_bank_hash() {
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
accounts.bank_hash_at(1);
}
@ -1676,11 +1686,12 @@ mod tests {
let account2 = Account::new(3, 0, &Pubkey::default());
let account3 = Account::new(4, 0, &Pubkey::default());
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
accounts.store_slow(0, &keypair0.pubkey(), &account0);
accounts.store_slow(0, &keypair1.pubkey(), &account1);
accounts.store_slow(0, &keypair2.pubkey(), &account2);
accounts.store_slow(0, &keypair3.pubkey(), &account3);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
accounts.store_slow_uncached(0, &keypair0.pubkey(), &account0);
accounts.store_slow_uncached(0, &keypair1.pubkey(), &account1);
accounts.store_slow_uncached(0, &keypair2.pubkey(), &account2);
accounts.store_slow_uncached(0, &keypair3.pubkey(), &account3);
let instructions = vec![CompiledInstruction::new(2, &(), vec![0, 1])];
let message = Message::new_with_compiled_instructions(
@ -1788,10 +1799,11 @@ mod tests {
let account1 = Account::new(2, 0, &Pubkey::default());
let account2 = Account::new(3, 0, &Pubkey::default());
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
accounts.store_slow(0, &keypair0.pubkey(), &account0);
accounts.store_slow(0, &keypair1.pubkey(), &account1);
accounts.store_slow(0, &keypair2.pubkey(), &account2);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
accounts.store_slow_uncached(0, &keypair0.pubkey(), &account0);
accounts.store_slow_uncached(0, &keypair1.pubkey(), &account1);
accounts.store_slow_uncached(0, &keypair2.pubkey(), &account2);
let accounts_arc = Arc::new(accounts);
@ -1917,7 +1929,8 @@ mod tests {
let mut loaded = vec![loaded0, loaded1];
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
{
let mut readonly_locks = accounts.readonly_locks.write().unwrap();
let readonly_locks = readonly_locks.as_mut().unwrap();
@ -1969,15 +1982,16 @@ mod tests {
#[test]
fn huge_clean() {
solana_logger::setup();
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
let mut old_pubkey = Pubkey::default();
let zero_account = Account::new(0, 0, &Account::default().owner);
info!("storing..");
for i in 0..2_000 {
let pubkey = solana_sdk::pubkey::new_rand();
let account = Account::new((i + 1) as u64, 0, &Account::default().owner);
accounts.store_slow(i, &pubkey, &account);
accounts.store_slow(i, &old_pubkey, &zero_account);
accounts.store_slow_uncached(i, &pubkey, &account);
accounts.store_slow_uncached(i, &old_pubkey, &zero_account);
old_pubkey = pubkey;
accounts.add_root(i);
if i % 1_000 == 0 {
@ -2011,7 +2025,8 @@ mod tests {
#[test]
fn test_instructions() {
solana_logger::setup();
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
let instructions_key = solana_sdk::sysvar::instructions::id();
let keypair = Keypair::new();
@ -2291,7 +2306,8 @@ mod tests {
let mut loaded = vec![loaded];
let next_blockhash = Hash::new_unique();
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
let collected_accounts = accounts.collect_accounts_to_store(
&txs,
None,
@ -2401,7 +2417,8 @@ mod tests {
let mut loaded = vec![loaded];
let next_blockhash = Hash::new_unique();
let accounts = Accounts::new(Vec::new(), &ClusterType::Development);
let accounts =
Accounts::new_with_config(Vec::new(), &ClusterType::Development, HashSet::new(), false);
let collected_accounts = accounts.collect_accounts_to_store(
&txs,
None,

64
runtime/src/accounts_background_service.rs
View File

@ -77,7 +77,7 @@ pub struct SnapshotRequestHandler {
impl SnapshotRequestHandler {
// Returns the latest requested snapshot slot, if one exists
pub fn handle_snapshot_requests(&self) -> Option<u64> {
pub fn handle_snapshot_requests(&self, accounts_db_caching_enabled: bool) -> Option<u64> {
self.snapshot_request_receiver
.try_iter()
.last()
@ -92,9 +92,19 @@ impl SnapshotRequestHandler {
hash_time.stop();
let mut shrink_time = Measure::start("shrink_time");
snapshot_root_bank.process_stale_slot_with_budget(0, SHRUNKEN_ACCOUNT_PER_INTERVAL);
if !accounts_db_caching_enabled {
snapshot_root_bank
.process_stale_slot_with_budget(0, SHRUNKEN_ACCOUNT_PER_INTERVAL);
}
shrink_time.stop();
let mut flush_accounts_cache_time = Measure::start("flush_accounts_cache_time");
if accounts_db_caching_enabled {
// Force flush all the roots from the cache so that the snapshot can be taken.
snapshot_root_bank.force_flush_accounts_cache();
}
flush_accounts_cache_time.stop();
let mut clean_time = Measure::start("clean_time");
// Don't clean the slot we're snapshotting because it may have zero-lamport
// accounts that were included in the bank delta hash when the bank was frozen,
@ -103,6 +113,12 @@ impl SnapshotRequestHandler {
snapshot_root_bank.clean_accounts(true);
clean_time.stop();
if accounts_db_caching_enabled {
shrink_time = Measure::start("shrink_time");
snapshot_root_bank.shrink_candidate_slots();
shrink_time.stop();
}
// Generate an accounts package
let mut snapshot_time = Measure::start("snapshot_time");
let r = snapshot_utils::snapshot_bank(
@ -130,6 +146,12 @@ impl SnapshotRequestHandler {
datapoint_info!(
"handle_snapshot_requests-timing",
("hash_time", hash_time.as_us(), i64),
(
"flush_accounts_cache_time",
flush_accounts_cache_time.as_us(),
i64
),
("shrink_time", shrink_time.as_us(), i64),
("clean_time", clean_time.as_us(), i64),
("snapshot_time", snapshot_time.as_us(), i64),
@ -138,7 +160,6 @@ impl SnapshotRequestHandler {
purge_old_snapshots_time.as_us(),
i64
),
("hash_time", hash_time.as_us(), i64),
);
snapshot_root_bank.block_height()
})
@ -180,11 +201,11 @@ pub struct ABSRequestHandler {
impl ABSRequestHandler {
// Returns the latest requested snapshot block height, if one exists
pub fn handle_snapshot_requests(&self) -> Option<u64> {
pub fn handle_snapshot_requests(&self, accounts_db_caching_enabled: bool) -> Option<u64> {
self.snapshot_request_handler
.as_ref()
.and_then(|snapshot_request_handler| {
snapshot_request_handler.handle_snapshot_requests()
snapshot_request_handler.handle_snapshot_requests(accounts_db_caching_enabled)
})
}
@ -208,6 +229,7 @@ impl AccountsBackgroundService {
bank_forks: Arc<RwLock<BankForks>>,
exit: &Arc<AtomicBool>,
request_handler: ABSRequestHandler,
accounts_db_caching_enabled: bool,
) -> Self {
info!("AccountsBackgroundService active");
let exit = exit.clone();
@ -250,26 +272,36 @@ impl AccountsBackgroundService {
// request for `N` to the snapshot request channel before setting a root `R > N`, and
// snapshot_request_handler.handle_requests() will always look for the latest
// available snapshot in the channel.
let snapshot_block_height = request_handler.handle_snapshot_requests();
let snapshot_block_height =
request_handler.handle_snapshot_requests(accounts_db_caching_enabled);
if accounts_db_caching_enabled {
bank.flush_accounts_cache_if_needed();
}
if let Some(snapshot_block_height) = snapshot_block_height {
// Safe, see proof above
assert!(last_cleaned_block_height <= snapshot_block_height);
last_cleaned_block_height = snapshot_block_height;
} else {
// under sustained writes, shrink can lag behind so cap to
// SHRUNKEN_ACCOUNT_PER_INTERVAL (which is based on INTERVAL_MS,
// which in turn roughly asscociated block time)
consumed_budget = bank
.process_stale_slot_with_budget(
consumed_budget,
SHRUNKEN_ACCOUNT_PER_INTERVAL,
)
.min(SHRUNKEN_ACCOUNT_PER_INTERVAL);
if accounts_db_caching_enabled {
bank.shrink_candidate_slots();
} else {
// under sustained writes, shrink can lag behind so cap to
// SHRUNKEN_ACCOUNT_PER_INTERVAL (which is based on INTERVAL_MS,
// which in turn roughly asscociated block time)
consumed_budget = bank
.process_stale_slot_with_budget(
consumed_budget,
SHRUNKEN_ACCOUNT_PER_INTERVAL,
)
.min(SHRUNKEN_ACCOUNT_PER_INTERVAL);
}
if bank.block_height() - last_cleaned_block_height
> (CLEAN_INTERVAL_BLOCKS + thread_rng().gen_range(0, 10))
{
if accounts_db_caching_enabled {
bank.force_flush_accounts_cache();
}
bank.clean_accounts(true);
last_cleaned_block_height = bank.block_height();
}

254
runtime/src/accounts_cache.rs Normal file
View File

@ -0,0 +1,254 @@
use dashmap::DashMap;
use solana_sdk::{account::Account, clock::Slot, hash::Hash, pubkey::Pubkey};
use std::{
collections::HashSet,
ops::Deref,
sync::{
atomic::{AtomicBool, AtomicU64, Ordering},
Arc, RwLock,
},
};
pub type SlotCache = Arc<SlotCacheInner>;
#[derive(Default, Debug)]
pub struct SlotCacheInner {
cache: DashMap<Pubkey, CachedAccount>,
same_account_writes: AtomicU64,
same_account_writes_size: AtomicU64,
unique_account_writes_size: AtomicU64,
is_frozen: AtomicBool,
}
impl SlotCacheInner {
pub fn report_slot_store_metrics(&self) {
datapoint_info!(
"slot_repeated_writes",
(
"same_account_writes",
self.same_account_writes.load(Ordering::Relaxed),
i64
),
(
"same_account_writes_size",
self.same_account_writes_size.load(Ordering::Relaxed),
i64
),
(
"unique_account_writes_size",
self.unique_account_writes_size.load(Ordering::Relaxed),
i64
)
);
}
pub fn insert(&self, pubkey: &Pubkey, account: Account, hash: Hash) {
if self.cache.contains_key(pubkey) {
self.same_account_writes.fetch_add(1, Ordering::Relaxed);
self.same_account_writes_size
.fetch_add(account.data.len() as u64, Ordering::Relaxed);
} else {
self.unique_account_writes_size
.fetch_add(account.data.len() as u64, Ordering::Relaxed);
}
self.cache.insert(*pubkey, CachedAccount { account, hash });
}
pub fn get_cloned(&self, pubkey: &Pubkey) -> Option<CachedAccount> {
self.cache
.get(pubkey)
// 1) Maybe can eventually use a Cow to avoid a clone on every read
// 2) Popping is only safe if its guaranteed only replay/banking threads
// are reading from the AccountsDb
.map(|account_ref| account_ref.value().clone())
}
pub fn mark_slot_frozen(&self) {
self.is_frozen.store(true, Ordering::SeqCst);
}
pub fn is_frozen(&self) -> bool {
self.is_frozen.load(Ordering::SeqCst)
}
}
impl Deref for SlotCacheInner {
type Target = DashMap<Pubkey, CachedAccount>;
fn deref(&self) -> &Self::Target {
&self.cache
}
}
#[derive(Debug, Clone)]
pub struct CachedAccount {
pub account: Account,
pub hash: Hash,
}
#[derive(Debug, Default)]
pub struct AccountsCache {
cache: DashMap<Slot, SlotCache>,
// Queue of potentially unflushed roots. Random eviction + cache too large
// could have triggered a flush of this slot already
maybe_unflushed_roots: RwLock<HashSet<Slot>>,
max_flushed_root: AtomicU64,
}
impl AccountsCache {
pub fn report_size(&self) {
let total_unique_writes_size: u64 = self
.cache
.iter()
.map(|item| {
let slot_cache = item.value();
slot_cache
.unique_account_writes_size
.load(Ordering::Relaxed)
})
.sum();
datapoint_info!(
"accounts_cache_size",
(
"num_roots",
self.maybe_unflushed_roots.read().unwrap().len(),
i64
),
("num_slots", self.cache.len(), i64),
("total_unique_writes_size", total_unique_writes_size, i64),
);
}
pub fn store(&self, slot: Slot, pubkey: &Pubkey, account: Account, hash: Hash) {
let slot_cache = self.slot_cache(slot).unwrap_or_else(||
// DashMap entry.or_insert() returns a RefMut, essentially a write lock,
// which is dropped after this block ends, minimizing time held by the lock.
// However, we still want to persist the reference to the `SlotStores` behind
// the lock, hence we clone it out, (`SlotStores` is an Arc so is cheap to clone).
self
.cache
.entry(slot)
.or_insert(Arc::new(SlotCacheInner::default()))
.clone());
slot_cache.insert(pubkey, account, hash);
}
pub fn load(&self, slot: Slot, pubkey: &Pubkey) -> Option<CachedAccount> {
self.slot_cache(slot)
.and_then(|slot_cache| slot_cache.get_cloned(pubkey))
}
pub fn remove_slot(&self, slot: Slot) -> Option<SlotCache> {
self.cache.remove(&slot).map(|(_, slot_cache)| slot_cache)
}
pub fn slot_cache(&self, slot: Slot) -> Option<SlotCache> {
self.cache.get(&slot).map(|result| result.value().clone())
}
pub fn add_root(&self, root: Slot) {
self.maybe_unflushed_roots.write().unwrap().insert(root);
}
pub fn clear_roots(&self) -> HashSet<Slot> {
std::mem::replace(
&mut self.maybe_unflushed_roots.write().unwrap(),
HashSet::new(),
)
}
// Removes slots less than or equal to `max_root`. Only safe to pass in a rooted slot,
// otherwise the slot removed could still be undergoing replay!
pub fn remove_slots_le(&self, max_root: Slot) -> Vec<(Slot, SlotCache)> {
let mut removed_slots = vec![];
self.cache.retain(|slot, slot_cache| {
let should_remove = *slot <= max_root;
if should_remove {
removed_slots.push((*slot, slot_cache.clone()))
}
!should_remove
});
removed_slots
}
pub fn find_older_frozen_slots(&self, num_to_retain: usize) -> Vec<Slot> {
if self.cache.len() > num_to_retain {
let mut slots: Vec<_> = self
.cache
.iter()
.filter_map(|item| {
let (slot, slot_cache) = item.pair();
if slot_cache.is_frozen() {
Some(*slot)
} else {
None
}
})
.collect();
slots.sort_unstable();
slots.truncate(slots.len().saturating_sub(num_to_retain));
slots
} else {
vec![]
}
}
pub fn num_slots(&self) -> usize {
self.cache.len()
}
pub fn fetch_max_flush_root(&self) -> Slot {
self.max_flushed_root.load(Ordering::Relaxed)
}
pub fn set_max_flush_root(&self, root: Slot) {
self.max_flushed_root.fetch_max(root, Ordering::Relaxed);
}
}
#[cfg(test)]
pub mod tests {
use super::*;
#[test]
fn test_remove_slots_le() {
let cache = AccountsCache::default();
// Cache is empty, should return nothing
assert!(cache.remove_slots_le(1).is_empty());
let inserted_slot = 0;
cache.store(
inserted_slot,
&Pubkey::new_unique(),
Account::new(1, 0, &Pubkey::default()),
Hash::default(),
);
// If the cache is told the size limit is 0, it should return the one slot
let removed = cache.remove_slots_le(0);
assert_eq!(removed.len(), 1);
assert_eq!(removed[0].0, inserted_slot);
}
#[test]
fn test_find_older_frozen_slots() {
let cache = AccountsCache::default();
// Cache is empty, should return nothing
assert!(cache.find_older_frozen_slots(0).is_empty());
let inserted_slot = 0;
cache.store(
inserted_slot,
&Pubkey::new_unique(),
Account::new(1, 0, &Pubkey::default()),
Hash::default(),
);
// If the cache is told the size limit is 0, it should return nothing because there's only
// one cached slot
assert!(cache.find_older_frozen_slots(1).is_empty());
// If the cache is told the size limit is 0, it should return nothing, because there's no
// frozen slots
assert!(cache.find_older_frozen_slots(0).is_empty());
cache.slot_cache(inserted_slot).unwrap().mark_slot_frozen();
// If the cache is told the size limit is 0, it should return the one frozen slot
assert_eq!(cache.find_older_frozen_slots(0), vec![inserted_slot]);
}
}

2255
runtime/src/accounts_db.rs
View File

File diff suppressed because it is too large Load Diff

160
runtime/src/accounts_index.rs
View File

@ -34,6 +34,22 @@ pub type AccountMap<K, V> = BTreeMap<K, V>;
type AccountMapEntry<T> = Arc<AccountMapEntryInner<T>>;
pub trait IsCached {
fn is_cached(&self) -> bool;
}
impl IsCached for bool {
fn is_cached(&self) -> bool {
false
}
}
impl IsCached for u64 {
fn is_cached(&self) -> bool {
false
}
}
enum ScanTypes<R: RangeBounds<Pubkey>> {
Unindexed(Option<R>),
Indexed(IndexKey),
@ -220,7 +236,7 @@ pub struct AccountsIndex<T> {
ongoing_scan_roots: RwLock<BTreeMap<Slot, u64>>,
}
impl<T: 'static + Clone> AccountsIndex<T> {
impl<T: 'static + Clone + IsCached> AccountsIndex<T> {
fn iter<R>(&self, range: Option<R>) -> AccountsIndexIterator<T>
where
R: RangeBounds<Pubkey>,
@ -592,22 +608,24 @@ impl<T: 'static + Clone> AccountsIndex<T> {
pub fn purge_exact(
&self,
pubkey: &Pubkey,
slots: HashSet<Slot>,
slots_to_purge: &HashSet<Slot>,
reclaims: &mut SlotList<T>,
account_indexes: &HashSet<AccountIndex>,
) -> (SlotList<T>, bool) {
) -> bool {
let res = {
let mut write_account_map_entry = self.get_account_write_entry(pubkey).unwrap();
write_account_map_entry.slot_list_mut(|slot_list| {
let reclaims = slot_list
.iter()
.filter(|(slot, _)| slots.contains(&slot))
.cloned()
.collect();
slot_list.retain(|(slot, _)| !slots.contains(slot));
(reclaims, slot_list.is_empty())
slot_list.retain(|(slot, item)| {
let should_purge = slots_to_purge.contains(&slot);
if should_purge {
reclaims.push((*slot, item.clone()));
}
!should_purge
});
slot_list.is_empty()
})
};
self.purge_secondary_indexes_by_inner_key(pubkey, Some(&slots), account_indexes);
self.purge_secondary_indexes_by_inner_key(pubkey, Some(&slots_to_purge), account_indexes);
res
}
@ -820,7 +838,7 @@ impl<T: 'static + Clone> AccountsIndex<T> {
let mut purged_slots: HashSet<Slot> = HashSet::new();
list.retain(|(slot, value)| {
let should_purge = Self::can_purge(max_root, *slot);
let should_purge = Self::can_purge(max_root, *slot) && !value.is_cached();
if should_purge {
reclaims.push((*slot, value.clone()));
purged_slots.insert(*slot);
@ -831,6 +849,7 @@ impl<T: 'static + Clone> AccountsIndex<T> {
self.purge_secondary_indexes_by_inner_key(pubkey, Some(&purged_slots), account_indexes);
}
// `is_cached` closure is needed to work around the generic (`T`) indexed type.
pub fn clean_rooted_entries(
&self,
pubkey: &Pubkey,
@ -851,28 +870,6 @@ impl<T: 'static + Clone> AccountsIndex<T> {
}
}
pub fn clean_unrooted_entries_by_slot(
&self,
purge_slot: Slot,
pubkey: &Pubkey,
reclaims: &mut SlotList<T>,
account_indexes: &HashSet<AccountIndex>,
) {
if let Some(mut locked_entry) = self.get_account_write_entry(pubkey) {
locked_entry.slot_list_mut(|slot_list| {
slot_list.retain(|(slot, entry)| {
if *slot == purge_slot {
reclaims.push((*slot, entry.clone()));
}
*slot != purge_slot
});
});
}
let purge_slot: HashSet<Slot> = vec![purge_slot].into_iter().collect();
self.purge_secondary_indexes_by_inner_key(pubkey, Some(&purge_slot), account_indexes);
}
pub fn can_purge(max_root: Slot, slot: Slot) -> bool {
slot < max_root
}
@ -881,11 +878,24 @@ impl<T: 'static + Clone> AccountsIndex<T> {
self.roots_tracker.read().unwrap().roots.contains(&slot)
}
pub fn add_root(&self, slot: Slot) {
pub fn add_root(&self, slot: Slot, caching_enabled: bool) {
let mut w_roots_tracker = self.roots_tracker.write().unwrap();
w_roots_tracker.roots.insert(slot);
w_roots_tracker.uncleaned_roots.insert(slot);
w_roots_tracker.max_root = std::cmp::max(slot, w_roots_tracker.max_root);
// we delay cleaning until flushing!
if !caching_enabled {
w_roots_tracker.uncleaned_roots.insert(slot);
}
// `AccountsDb::flush_accounts_cache()` relies on roots being added in order
assert!(slot >= w_roots_tracker.max_root);
w_roots_tracker.max_root = slot;
}
pub fn add_uncleaned_roots<I>(&self, roots: I)
where
I: IntoIterator<Item = Slot>,
{
let mut w_roots_tracker = self.roots_tracker.write().unwrap();
w_roots_tracker.uncleaned_roots.extend(roots);
}
fn max_root(&self) -> Slot {
@ -895,10 +905,29 @@ impl<T: 'static + Clone> AccountsIndex<T> {
/// Remove the slot when the storage for the slot is freed
/// Accounts no longer reference this slot.
pub fn clean_dead_slot(&self, slot: Slot) {
let mut w_roots_tracker = self.roots_tracker.write().unwrap();
w_roots_tracker.roots.remove(&slot);
w_roots_tracker.uncleaned_roots.remove(&slot);
w_roots_tracker.previous_uncleaned_roots.remove(&slot);
if self.is_root(slot) {
let (roots_len, uncleaned_roots_len, previous_uncleaned_roots_len) = {
let mut w_roots_tracker = self.roots_tracker.write().unwrap();
w_roots_tracker.roots.remove(&slot);
w_roots_tracker.uncleaned_roots.remove(&slot);
w_roots_tracker.previous_uncleaned_roots.remove(&slot);
(
w_roots_tracker.roots.len(),
w_roots_tracker.uncleaned_roots.len(),
w_roots_tracker.previous_uncleaned_roots.len(),
)
};
datapoint_info!(
"accounts_index_roots_len",
("roots_len", roots_len as i64, i64),
("uncleaned_roots_len", uncleaned_roots_len as i64, i64),
(
"previous_uncleaned_roots_len",
previous_uncleaned_roots_len as i64,
i64
),
);
}
}
pub fn reset_uncleaned_roots(&self, max_clean_root: Option<Slot>) -> HashSet<Slot> {
@ -1136,7 +1165,7 @@ pub mod tests {
);
}
index.add_root(root_slot);
index.add_root(root_slot, false);
(index, pubkeys)
}
@ -1272,7 +1301,7 @@ pub mod tests {
fn test_is_root() {
let index = AccountsIndex::<bool>::default();
assert!(!index.is_root(0));
index.add_root(0);
index.add_root(0, false);
assert!(index.is_root(0));
}
@ -1292,7 +1321,7 @@ pub mod tests {
);
assert!(gc.is_empty());
index.add_root(0);
index.add_root(0, false);
let (list, idx) = index.get(&key.pubkey(), None, None).unwrap();
assert_eq!(list.slot_list()[idx], (0, true));
}
@ -1300,8 +1329,8 @@ pub mod tests {
#[test]
fn test_clean_first() {
let index = AccountsIndex::<bool>::default();
index.add_root(0);
index.add_root(1);
index.add_root(0, false);
index.add_root(1, false);
index.clean_dead_slot(0);
assert!(index.is_root(1));
assert!(!index.is_root(0));
@ -1311,8 +1340,8 @@ pub mod tests {
fn test_clean_last() {
//this behavior might be undefined, clean up should only occur on older slots
let index = AccountsIndex::<bool>::default();
index.add_root(0);
index.add_root(1);
index.add_root(0, false);
index.add_root(1, false);
index.clean_dead_slot(1);
assert!(!index.is_root(1));
assert!(index.is_root(0));
@ -1322,8 +1351,8 @@ pub mod tests {
fn test_clean_and_unclean_slot() {
let index = AccountsIndex::<bool>::default();
assert_eq!(0, index.roots_tracker.read().unwrap().uncleaned_roots.len());
index.add_root(0);
index.add_root(1);
index.add_root(0, false);
index.add_root(1, false);
assert_eq!(2, index.roots_tracker.read().unwrap().uncleaned_roots.len());
assert_eq!(
@ -1348,8 +1377,8 @@ pub mod tests {
.len()
);
index.add_root(2);
index.add_root(3);
index.add_root(2, false);
index.add_root(3, false);
assert_eq!(4, index.roots_tracker.read().unwrap().roots.len());
assert_eq!(2, index.roots_tracker.read().unwrap().uncleaned_roots.len());
assert_eq!(
@ -1500,9 +1529,9 @@ pub mod tests {
true,
&mut gc,
);
index.add_root(0);
index.add_root(1);
index.add_root(3);
index.add_root(0, false);
index.add_root(1, false);
index.add_root(3, false);
index.upsert(
4,
&key.pubkey(),
@ -1559,7 +1588,7 @@ pub mod tests {
let purges = index.purge_roots(&key.pubkey());
assert_eq!(purges, (vec![], false));
index.add_root(1);
index.add_root(1, false);
let purges = index.purge_roots(&key.pubkey());
assert_eq!(purges, (vec![(1, 10)], true));
@ -1584,7 +1613,7 @@ pub mod tests {
assert!(index.latest_slot(None, &slot_slice, None).is_none());
// Given a root, should return the root
index.add_root(5);
index.add_root(5, false);
assert_eq!(index.latest_slot(None, &slot_slice, None).unwrap(), 1);
// Given a max_root == root, should still return the root
@ -1666,7 +1695,12 @@ pub mod tests {
slots.len()
);
index.purge_exact(&account_key, slots.into_iter().collect(), account_index);
index.purge_exact(
&account_key,
&slots.into_iter().collect(),
&mut vec![],
account_index,
);
assert!(secondary_index.index.is_empty());
assert!(secondary_index.reverse_index.is_empty());
@ -1716,9 +1750,9 @@ pub mod tests {
// Add a later root, earlier slots should be reclaimed
slot_list = vec![(1, true), (2, true), (5, true), (9, true)];
index.add_root(1);
index.add_root(1, false);
// Note 2 is not a root
index.add_root(5);
index.add_root(5, false);
reclaims = vec![];
index.purge_older_root_entries(
&Pubkey::default(),
@ -1732,7 +1766,7 @@ pub mod tests {
// Add a later root that is not in the list, should not affect the outcome
slot_list = vec![(1, true), (2, true), (5, true), (9, true)];
index.add_root(6);
index.add_root(6, false);
reclaims = vec![];
index.purge_older_root_entries(
&Pubkey::default(),
@ -1977,7 +2011,7 @@ pub mod tests {
assert!(secondary_index.get(&secondary_key1).is_empty());
assert_eq!(secondary_index.get(&secondary_key2), vec![account_key]);
// If another fork reintroduces secondary_key1, then it should be readded to the
// If another fork reintroduces secondary_key1, then it should be re-added to the
// index
let fork = slot + 1;
index.upsert(
@ -1993,7 +2027,7 @@ pub mod tests {
// If we set a root at fork, and clean, then the secondary_key1 should no longer
// be findable
index.add_root(fork);
index.add_root(fork, false);
index
.get_account_write_entry(&account_key)
.unwrap()

47
runtime/src/append_vec.rs
View File

@ -54,19 +54,31 @@ pub struct AccountMeta {
pub rent_epoch: Epoch,
}
impl<'a> From<&'a Account> for AccountMeta {
fn from(account: &'a Account) -> Self {
Self {
lamports: account.lamports,
owner: account.owner,
executable: account.executable,
rent_epoch: account.rent_epoch,
}
}
}
/// References to Memory Mapped memory
/// The Account is stored separately from its data, so getting the actual account requires a clone
#[derive(PartialEq, Debug)]
pub struct StoredAccount<'a> {
pub struct StoredAccountMeta<'a> {
pub meta: &'a StoredMeta,
/// account data
pub account_meta: &'a AccountMeta,
pub data: &'a [u8],
pub offset: usize,
pub stored_size: usize,
pub hash: &'a Hash,
}
impl<'a> StoredAccount<'a> {
impl<'a> StoredAccountMeta<'a> {
pub fn clone_account(&self) -> Account {
Account {
lamports: self.account_meta.lamports,
@ -366,17 +378,19 @@ impl AppendVec {
Some((unsafe { &*ptr }, next))
}
pub fn get_account<'a>(&'a self, offset: usize) -> Option<(StoredAccount<'a>, usize)> {
pub fn get_account<'a>(&'a self, offset: usize) -> Option<(StoredAccountMeta<'a>, usize)> {
let (meta, next): (&'a StoredMeta, _) = self.get_type(offset)?;
let (account_meta, next): (&'a AccountMeta, _) = self.get_type(next)?;
let (hash, next): (&'a Hash, _) = self.get_type(next)?;
let (data, next) = self.get_slice(next, meta.data_len as usize)?;
let stored_size = next - offset;
Some((
StoredAccount {
StoredAccountMeta {
meta,
account_meta,
data,
offset,
stored_size,
hash,
},
next,
@ -392,7 +406,7 @@ impl AppendVec {
self.path.clone()
}
pub fn accounts(&self, mut start: usize) -> Vec<StoredAccount> {
pub fn accounts(&self, mut start: usize) -> Vec<StoredAccountMeta> {
let mut accounts = vec![];
while let Some((account, next)) = self.get_account(start) {
accounts.push(account);
@ -411,12 +425,7 @@ impl AppendVec {
let mut rv = Vec::with_capacity(accounts.len());
for ((stored_meta, account), hash) in accounts.iter().zip(hashes) {
let meta_ptr = stored_meta as *const StoredMeta;
let account_meta = AccountMeta {
lamports: account.lamports,
owner: account.owner,
executable: account.executable,
rent_epoch: account.rent_epoch,
};
let account_meta = AccountMeta::from(*account);
let account_meta_ptr = &account_meta as *const AccountMeta;
let data_len = stored_meta.data_len as usize;
let data_ptr = account.data.as_ptr();
@ -433,6 +442,11 @@ impl AppendVec {
break;
}
}
// The last entry in this offset needs to be the u64 aligned offset, because that's
// where the *next* entry will begin to be stored.
rv.push(u64_align!(*offset));
rv
}
@ -442,9 +456,12 @@ impl AppendVec {
account: &Account,
hash: Hash,
) -> Option<usize> {
self.append_accounts(&[(storage_meta, account)], &[hash])
.first()
.cloned()
let res = self.append_accounts(&[(storage_meta, account)], &[hash]);
if res.len() == 1 {
None
} else {
res.first().cloned()
}
}
}
@ -511,7 +528,7 @@ pub mod tests {
}
}
impl<'a> StoredAccount<'a> {
impl<'a> StoredAccountMeta<'a> {
#[allow(clippy::cast_ref_to_mut)]
fn set_data_len_unsafe(&self, new_data_len: u64) {
// UNSAFE: cast away & (= const ref) to &mut to force to mutate append-only (=read-only) AppendVec

416
runtime/src/bank.rs
View File

@ -861,13 +861,22 @@ impl Default for BlockhashQueue {
impl Bank {
pub fn new(genesis_config: &GenesisConfig) -> Self {
Self::new_with_paths(&genesis_config, Vec::new(), &[], None, None, HashSet::new())
Self::new_with_paths(
&genesis_config,
Vec::new(),
&[],
None,
None,
HashSet::new(),
false,
)
}
#[cfg(test)]
pub(crate) fn new_with_indexes(
pub(crate) fn new_with_config(
genesis_config: &GenesisConfig,
account_indexes: HashSet<AccountIndex>,
accounts_db_caching_enabled: bool,
) -> Self {
Self::new_with_paths(
&genesis_config,
@ -876,6 +885,7 @@ impl Bank {
None,
None,
account_indexes,
accounts_db_caching_enabled,
)
}
@ -886,16 +896,18 @@ impl Bank {
debug_keys: Option<Arc<HashSet<Pubkey>>>,
additional_builtins: Option<&Builtins>,
account_indexes: HashSet<AccountIndex>,
accounts_db_caching_enabled: bool,
) -> Self {
let mut bank = Self::default();
bank.ancestors.insert(bank.slot(), 0);
bank.transaction_debug_keys = debug_keys;
bank.cluster_type = Some(genesis_config.cluster_type);
bank.rc.accounts = Arc::new(Accounts::new_with_indexes(
bank.rc.accounts = Arc::new(Accounts::new_with_config(
paths,
&genesis_config.cluster_type,
account_indexes,
accounts_db_caching_enabled,
));
bank.process_genesis_config(genesis_config);
bank.finish_init(genesis_config, additional_builtins);
@ -1998,7 +2010,6 @@ impl Bank {
// record and commit are finished, those transactions will be
// committed before this write lock can be obtained here.
let mut hash = self.hash.write().unwrap();
if *hash == Hash::default() {
// finish up any deferred changes to account state
self.collect_rent_eagerly();
@ -2010,12 +2021,19 @@ impl Bank {
// freeze is a one-way trip, idempotent
self.freeze_started.store(true, Relaxed);
*hash = self.hash_internal_state();
self.rc.accounts.accounts_db.mark_slot_frozen(self.slot());
}
}
// Should not be called outside of startup, will race with
// concurrent cleaning logic in AccountsBackgroundService
pub fn exhaustively_free_unused_resource(&self) {
let mut flush = Measure::start("flush");
// Flush all the rooted accounts. Must be called after `squash()`,
// so that AccountsDb knows what the roots are.
self.force_flush_accounts_cache();
flush.stop();
let mut clean = Measure::start("clean");
// Don't clean the slot we're snapshotting because it may have zero-lamport
// accounts that were included in the bank delta hash when the bank was frozen,
@ -2030,9 +2048,10 @@ impl Bank {
info!(
"exhaustively_free_unused_resource()
flush: {},
clean: {},
shrink: {}",
clean, shrink,
flush, clean, shrink,
);
}
@ -3144,7 +3163,7 @@ impl Bank {
}
let mut write_time = Measure::start("write_time");
self.rc.accounts.store_accounts(
self.rc.accounts.store_cached(
self.slot(),
txs,
iteration_order,
@ -3841,7 +3860,9 @@ impl Bank {
pub fn store_account(&self, pubkey: &Pubkey, account: &Account) {
assert!(!self.freeze_started());
self.rc.accounts.store_slow(self.slot(), pubkey, account);
self.rc
.accounts
.store_slow_cached(self.slot(), pubkey, account);
if Stakes::is_stake(account) {
self.stakes
@ -3851,6 +3872,17 @@ impl Bank {
}
}
pub fn force_flush_accounts_cache(&self) {
self.rc.accounts.accounts_db.force_flush_accounts_cache()
}
pub fn flush_accounts_cache_if_needed(&self) {
self.rc
.accounts
.accounts_db
.flush_accounts_cache_if_needed()
}
fn store_account_and_update_capitalization(&self, pubkey: &Pubkey, new_account: &Account) {
if let Some(old_account) = self.get_account(&pubkey) {
match new_account.lamports.cmp(&old_account.lamports) {
@ -4538,7 +4570,7 @@ impl Bank {
budget_recovery_delta: usize,
) -> usize {
if consumed_budget == 0 {
let shrunken_account_count = self.rc.accounts.accounts_db.process_stale_slot();
let shrunken_account_count = self.rc.accounts.accounts_db.process_stale_slot_v1();
if shrunken_account_count > 0 {
datapoint_info!(
"stale_slot_shrink",
@ -4550,6 +4582,10 @@ impl Bank {
consumed_budget.saturating_sub(budget_recovery_delta)
}
pub fn shrink_candidate_slots(&self) -> usize {
self.rc.accounts.accounts_db.shrink_candidate_slots()
}
pub fn secp256k1_program_enabled(&self) -> bool {
self.feature_set
.is_active(&feature_set::secp256k1_program_enabled::id())
@ -4874,6 +4910,7 @@ fn is_simple_vote_transaction(transaction: &Transaction) -> bool {
pub(crate) mod tests {
use super::*;
use crate::{
accounts_db::SHRINK_RATIO,
accounts_index::{AccountMap, Ancestors, ITER_BATCH_SIZE},
genesis_utils::{
activate_all_features, bootstrap_validator_stake_lamports,
@ -6726,7 +6763,7 @@ pub(crate) mod tests {
.accounts
.accounts_db
.accounts_index
.add_root(genesis_bank1.slot() + 1);
.add_root(genesis_bank1.slot() + 1, false);
bank1_without_zero
.rc
.accounts
@ -6997,10 +7034,14 @@ pub(crate) mod tests {
let pubkey = solana_sdk::pubkey::new_rand();
let tx = system_transaction::transfer(&mint_keypair, &pubkey, 0, blockhash);
bank.process_transaction(&tx).unwrap();
bank.freeze();
bank.squash();
bank = Arc::new(new_from_parent(&bank));
}
bank.freeze();
bank.squash();
bank.force_flush_accounts_cache();
let hash = bank.update_accounts_hash();
bank.clean_accounts(false);
assert_eq!(bank.update_accounts_hash(), hash);
@ -7037,9 +7078,11 @@ pub(crate) mod tests {
assert!(bank0.verify_bank_hash());
// Squash and then verify hash_internal value
bank0.freeze();
bank0.squash();
assert!(bank0.verify_bank_hash());
bank1.freeze();
bank1.squash();
bank1.update_accounts_hash();
assert!(bank1.verify_bank_hash());
@ -7047,6 +7090,7 @@ pub(crate) mod tests {
// keypair should have 0 tokens on both forks
assert_eq!(bank0.get_account(&keypair.pubkey()), None);
assert_eq!(bank1.get_account(&keypair.pubkey()), None);
bank1.force_flush_accounts_cache();
bank1.clean_accounts(false);
assert!(bank1.verify_bank_hash());
@ -8714,7 +8758,11 @@ pub(crate) mod tests {
let (genesis_config, _mint_keypair) = create_genesis_config(500);
let mut account_indexes = HashSet::new();
account_indexes.insert(AccountIndex::ProgramId);
let bank = Arc::new(Bank::new_with_indexes(&genesis_config, account_indexes));
let bank = Arc::new(Bank::new_with_config(
&genesis_config,
account_indexes,
false,
));
let address = Pubkey::new_unique();
let program_id = Pubkey::new_unique();
@ -10151,6 +10199,94 @@ pub(crate) mod tests {
assert_eq!(42, bank.get_balance(&program2_pubkey));
}
fn get_shrink_account_size() -> usize {
let (genesis_config, _mint_keypair) = create_genesis_config(1_000_000_000);
// Set root for bank 0, with caching enabled
let mut bank0 = Arc::new(Bank::new_with_config(
&genesis_config,
HashSet::new(),
false,
));
bank0.restore_old_behavior_for_fragile_tests();
goto_end_of_slot(Arc::<Bank>::get_mut(&mut bank0).unwrap());
bank0.freeze();
bank0.squash();
let sizes = bank0
.rc
.accounts
.scan_slot(0, |stored_account| Some(stored_account.stored_size()));
// Create an account such that it takes SHRINK_RATIO of the total account space for
// the slot, so when it gets pruned, the storage entry will become a shrink candidate.
let bank0_total_size: usize = sizes.into_iter().sum();
let pubkey0_size = (bank0_total_size as f64 / (1.0 - SHRINK_RATIO)).ceil();
assert!(pubkey0_size / (pubkey0_size + bank0_total_size as f64) > SHRINK_RATIO);
pubkey0_size as usize
}
#[test]
fn test_shrink_candidate_slots_cached() {
solana_logger::setup();
let (genesis_config, _mint_keypair) = create_genesis_config(1_000_000_000);
let pubkey0 = solana_sdk::pubkey::new_rand();
let pubkey1 = solana_sdk::pubkey::new_rand();
let pubkey2 = solana_sdk::pubkey::new_rand();
// Set root for bank 0, with caching enabled
let mut bank0 = Arc::new(Bank::new_with_config(&genesis_config, HashSet::new(), true));
bank0.restore_old_behavior_for_fragile_tests();
let pubkey0_size = get_shrink_account_size();
let account0 = Account::new(1000, pubkey0_size as usize, &Pubkey::new_unique());
bank0.store_account(&pubkey0, &account0);
goto_end_of_slot(Arc::<Bank>::get_mut(&mut bank0).unwrap());
bank0.freeze();
bank0.squash();
// Store some lamports in bank 1
let some_lamports = 123;
let mut bank1 = Arc::new(new_from_parent(&bank0));
bank1.deposit(&pubkey1, some_lamports);
bank1.deposit(&pubkey2, some_lamports);
goto_end_of_slot(Arc::<Bank>::get_mut(&mut bank1).unwrap());
// Store some lamports for pubkey1 in bank 2, root bank 2
let mut bank2 = Arc::new(new_from_parent(&bank1));
bank2.deposit(&pubkey1, some_lamports);
bank2.store_account(&pubkey0, &account0);
goto_end_of_slot(Arc::<Bank>::get_mut(&mut bank2).unwrap());
bank2.freeze();
bank2.squash();
bank2.force_flush_accounts_cache();
// Clean accounts, which should add earlier slots to the shrink
// candidate set
bank2.clean_accounts(false);
// Slots 0 and 1 should be candidates for shrinking, but slot 2
// shouldn't because none of its accounts are outdated by a later
// root
assert_eq!(bank2.shrink_candidate_slots(), 2);
let alive_counts: Vec<usize> = (0..3)
.map(|slot| {
bank2
.rc
.accounts
.accounts_db
.alive_account_count_in_slot(slot)
})
.collect();
// No more slots should be shrunk
assert_eq!(bank2.shrink_candidate_slots(), 0);
// alive_counts represents the count of alive accounts in the three slots 0,1,2
assert_eq!(alive_counts, vec![9, 1, 7]);
}
#[test]
fn test_process_stale_slot_with_budget() {
solana_logger::setup();
@ -11120,6 +11256,7 @@ pub(crate) mod tests {
None,
Some(&builtins),
HashSet::new(),
false,
));
// move to next epoch to create now deprecated rewards sysvar intentionally
let bank1 = Arc::new(Bank::new_from_parent(
@ -11347,100 +11484,6 @@ pub(crate) mod tests {
);
}
fn setup_bank_with_removable_zero_lamport_account() -> Arc<Bank> {
let (genesis_config, _mint_keypair) = create_genesis_config(2000);
let bank0 = Bank::new(&genesis_config);
bank0.freeze();
let bank1 = Arc::new(Bank::new_from_parent(
&Arc::new(bank0),
&Pubkey::default(),
1,
));
let zero_lamport_pubkey = solana_sdk::pubkey::new_rand();
bank1.store_account_and_update_capitalization(
&zero_lamport_pubkey,
&Account::new(0, 0, &Pubkey::default()),
);
// Store another account in a separate AppendVec than `zero_lamport_pubkey`
// (guaranteed because of large file size). We need this to ensure slot is
// not cleaned up after clean is called, so that the bank hash still exists
// when we call rehash() later in this test.
let large_account_pubkey = solana_sdk::pubkey::new_rand();
bank1.store_account_and_update_capitalization(
&large_account_pubkey,
&Account::new(
1000,
bank1.rc.accounts.accounts_db.file_size() as usize,
&Pubkey::default(),
),
);
assert_ne!(
bank1
.rc
.accounts
.accounts_db
.get_append_vec_id(&large_account_pubkey, 1)
.unwrap(),
bank1
.rc
.accounts
.accounts_db
.get_append_vec_id(&zero_lamport_pubkey, 1)
.unwrap()
);
// Make sure rent collection doesn't overwrite `large_account_pubkey`, which
// keeps slot 1 alive in the accounts database. Otherwise, slot 1 and it's bank
// hash would be removed from accounts, preventing `rehash()` from succeeding
bank1.restore_old_behavior_for_fragile_tests();
bank1.freeze();
let bank1_hash = bank1.hash();
let bank2 = Bank::new_from_parent(&bank1, &Pubkey::default(), 2);
bank2.freeze();
// Set a root so clean will happen on this slot
bank1.squash();
// All accounts other than `zero_lamport_pubkey` should be updated, which
// means clean should be able to delete the `zero_lamport_pubkey`
bank2.squash();
// Bank 1 hash should not change
bank1.rehash();
let new_bank1_hash = bank1.hash();
assert_eq!(bank1_hash, new_bank1_hash);
bank1
}
#[test]
fn test_clean_zero_lamport_account_different_hash() {
let bank1 = setup_bank_with_removable_zero_lamport_account();
let old_hash = bank1.hash();
// `zero_lamport_pubkey` should have been deleted, hashes will not match
bank1.clean_accounts(false);
bank1.rehash();
let new_bank1_hash = bank1.hash();
assert_ne!(old_hash, new_bank1_hash);
}
#[test]
fn test_clean_zero_lamport_account_same_hash() {
let bank1 = setup_bank_with_removable_zero_lamport_account();
let old_hash = bank1.hash();
// `zero_lamport_pubkey` will not be deleted, hashes will match
bank1.clean_accounts(true);
bank1.rehash();
let new_bank1_hash = bank1.hash();
assert_eq!(old_hash, new_bank1_hash);
}
#[test]
fn test_program_is_native_loader() {
let (genesis_config, mint_keypair) = create_genesis_config(50000);
@ -11531,7 +11574,7 @@ pub(crate) mod tests {
assert!(!debug.is_empty());
}
fn test_store_scan_consistency<F: 'static>(update_f: F)
fn test_store_scan_consistency<F: 'static>(accounts_db_caching_enabled: bool, update_f: F)
where
F: Fn(Arc<Bank>, crossbeam_channel::Sender<Arc<Bank>>, Arc<HashSet<Pubkey>>, Pubkey, u64)
+ std::marker::Send,
@ -11544,7 +11587,11 @@ pub(crate) mod tests {
)
.genesis_config;
genesis_config.rent = Rent::free();
let bank0 = Arc::new(Bank::new(&genesis_config));
let bank0 = Arc::new(Bank::new_with_config(
&genesis_config,
HashSet::new(),
accounts_db_caching_enabled,
));
// Set up pubkeys to write to
let total_pubkeys = ITER_BATCH_SIZE * 10;
@ -11590,7 +11637,7 @@ pub(crate) mod tests {
bank_to_scan_receiver.recv_timeout(Duration::from_millis(10))
{
let accounts = bank_to_scan.get_program_accounts(&program_id);
// Should never seen empty accounts because no slot ever deleted
// Should never see empty accounts because no slot ever deleted
// any of the original accounts, and the scan should reflect the
// account state at some frozen slot `X` (no partial updates).
assert!(!accounts.is_empty());
@ -11640,87 +11687,91 @@ pub(crate) mod tests {
#[test]
fn test_store_scan_consistency_unrooted() {
test_store_scan_consistency(
|bank0, bank_to_scan_sender, pubkeys_to_modify, program_id, starting_lamports| {
let mut current_major_fork_bank = bank0;
loop {
let mut current_minor_fork_bank = current_major_fork_bank.clone();
let num_new_banks = 2;
let lamports = current_minor_fork_bank.slot() + starting_lamports + 1;
// Modify banks on the two banks on the minor fork
for pubkeys_to_modify in &pubkeys_to_modify
.iter()
.chunks(pubkeys_to_modify.len() / num_new_banks)
{
current_minor_fork_bank = Arc::new(Bank::new_from_parent(
&current_minor_fork_bank,
&solana_sdk::pubkey::new_rand(),
current_minor_fork_bank.slot() + 2,
));
let account = Account::new(lamports, 0, &program_id);
// Write partial updates to each of the banks in the minor fork so if any of them
// get cleaned up, there will be keys with the wrong account value/missing.
for key in pubkeys_to_modify {
current_minor_fork_bank.store_account(key, &account);
for accounts_db_caching_enabled in &[false, true] {
test_store_scan_consistency(
*accounts_db_caching_enabled,
|bank0, bank_to_scan_sender, pubkeys_to_modify, program_id, starting_lamports| {
let mut current_major_fork_bank = bank0;
loop {
let mut current_minor_fork_bank = current_major_fork_bank.clone();
let num_new_banks = 2;
let lamports = current_minor_fork_bank.slot() + starting_lamports + 1;
// Modify banks on the two banks on the minor fork
for pubkeys_to_modify in &pubkeys_to_modify
.iter()
.chunks(pubkeys_to_modify.len() / num_new_banks)
{
current_minor_fork_bank = Arc::new(Bank::new_from_parent(
&current_minor_fork_bank,
&solana_sdk::pubkey::new_rand(),
current_minor_fork_bank.slot() + 2,
));
let account = Account::new(lamports, 0, &program_id);
// Write partial updates to each of the banks in the minor fork so if any of them
// get cleaned up, there will be keys with the wrong account value/missing.
for key in pubkeys_to_modify {
current_minor_fork_bank.store_account(key, &account);
}
current_minor_fork_bank.freeze();
}
current_minor_fork_bank.freeze();
// All the parent banks made in this iteration of the loop
// are currently discoverable, previous parents should have
// been squashed
assert_eq!(
current_minor_fork_bank.clone().parents_inclusive().len(),
num_new_banks + 1,
);
// `next_major_bank` needs to be sandwiched between the minor fork banks
// That way, after the squash(), the minor fork has the potential to see a
// *partial* clean of the banks < `next_major_bank`.
current_major_fork_bank = Arc::new(Bank::new_from_parent(
&current_major_fork_bank,
&solana_sdk::pubkey::new_rand(),
current_minor_fork_bank.slot() - 1,
));
let lamports = current_major_fork_bank.slot() + starting_lamports + 1;
let account = Account::new(lamports, 0, &program_id);
for key in pubkeys_to_modify.iter() {
// Store rooted updates to these pubkeys such that the minor
// fork updates to the same keys will be deleted by clean
current_major_fork_bank.store_account(key, &account);
}
// Send the last new bank to the scan thread to perform the scan.
// Meanwhile this thread will continually set roots on a separate fork
// and squash.
/*
bank 0
/ \
minor bank 1 \
/ current_major_fork_bank
minor bank 2
*/
// The capacity of the channel is 1 so that this thread will wait for the scan to finish before starting
// the next iteration, allowing the scan to stay in sync with these updates
// such that every scan will see this interruption.
if bank_to_scan_sender.send(current_minor_fork_bank).is_err() {
// Channel was disconnected, exit
return;
}
current_major_fork_bank.freeze();
current_major_fork_bank.squash();
// Try to get cache flush/clean to overlap with the scan
current_major_fork_bank.force_flush_accounts_cache();
current_major_fork_bank.clean_accounts(false);
}
// All the parent banks made in this iteration of the loop
// are currently discoverable, previous parents should have
// been squashed
assert_eq!(
current_minor_fork_bank.clone().parents_inclusive().len(),
num_new_banks + 1,
);
// `next_major_bank` needs to be sandwiched between the minor fork banks
// That way, after the squash(), the minor fork has the potential to see a
// *partial* clean of the banks < `next_major_bank`.
current_major_fork_bank = Arc::new(Bank::new_from_parent(
&current_major_fork_bank,
&solana_sdk::pubkey::new_rand(),
current_minor_fork_bank.slot() - 1,
));
let lamports = current_major_fork_bank.slot() + starting_lamports + 1;
let account = Account::new(lamports, 0, &program_id);
for key in pubkeys_to_modify.iter() {
// Store rooted updates to these pubkeys such that the minor
// fork updates to the same keys will be deleted by clean
current_major_fork_bank.store_account(key, &account);
}
// Send the last new bank to the scan thread to perform the scan.
// Meanwhile this thread will continually set roots on a separate fork
// and squash.
/*
bank 0
/ \
minor bank 1 \
/ current_major_fork_bank
minor bank 2
*/
// The capacity of the channel is 1 so that this thread will wait for the scan to finish before starting
// the next iteration, allowing the scan to stay in sync with these updates
// such that every scan will see this interruption.
current_major_fork_bank.freeze();
current_major_fork_bank.squash();
if bank_to_scan_sender.send(current_minor_fork_bank).is_err() {
// Channel was disconnected, exit
return;
}
// Try to get clean to overlap with the scan
current_major_fork_bank.clean_accounts(false);
}
},
)
},
)
}
}
#[test]
fn test_store_scan_consistency_root() {
test_store_scan_consistency(
false,
|bank0, bank_to_scan_sender, pubkeys_to_modify, program_id, starting_lamports| {
let mut current_bank = bank0.clone();
let mut prev_bank = bank0;
@ -11742,7 +11793,10 @@ pub(crate) mod tests {
// Channel was disconnected, exit
return;
}
current_bank.freeze();
current_bank.squash();
current_bank.force_flush_accounts_cache();
current_bank.clean_accounts(true);
prev_bank = current_bank.clone();
current_bank = Arc::new(Bank::new_from_parent(

1
runtime/src/lib.rs
View File

@ -1,6 +1,7 @@
#![cfg_attr(RUSTC_WITH_SPECIALIZATION, feature(specialization))]
pub mod accounts;
pub mod accounts_background_service;
pub mod accounts_cache;
pub mod accounts_db;
pub mod accounts_index;
pub mod append_vec;

19
runtime/src/serde_snapshot.rs
View File

@ -117,6 +117,7 @@ where
.deserialize_from::<R, T>(reader)
}
#[allow(clippy::too_many_arguments)]
pub(crate) fn bank_from_stream<R, P>(
serde_style: SerdeStyle,
stream: &mut BufReader<R>,
@ -127,6 +128,7 @@ pub(crate) fn bank_from_stream<R, P>(
debug_keys: Option<Arc<HashSet<Pubkey>>>,
additional_builtins: Option<&Builtins>,
account_indexes: HashSet<AccountIndex>,
caching_enabled: bool,
) -> std::result::Result<Bank, Error>
where
R: Read,
@ -146,6 +148,7 @@ where
debug_keys,
additional_builtins,
account_indexes,
caching_enabled,
)?;
Ok(bank)
}};
@ -223,6 +226,7 @@ impl<'a, C: TypeContext<'a>> Serialize for SerializableAccountsDB<'a, C> {
#[cfg(RUSTC_WITH_SPECIALIZATION)]
impl<'a, C> IgnoreAsHelper for SerializableAccountsDB<'a, C> {}
#[allow(clippy::too_many_arguments)]
fn reconstruct_bank_from_fields<E, P>(
bank_fields: BankFieldsToDeserialize,
accounts_db_fields: AccountsDbFields<E>,
@ -233,6 +237,7 @@ fn reconstruct_bank_from_fields<E, P>(
debug_keys: Option<Arc<HashSet<Pubkey>>>,
additional_builtins: Option<&Builtins>,
account_indexes: HashSet<AccountIndex>,
caching_enabled: bool,
) -> Result<Bank, Error>
where
E: Into<AccountStorageEntry>,
@ -244,6 +249,7 @@ where
append_vecs_path,
&genesis_config.cluster_type,
account_indexes,
caching_enabled,
)?;
accounts_db.freeze_accounts(&bank_fields.ancestors, frozen_account_pubkeys);
@ -265,13 +271,18 @@ fn reconstruct_accountsdb_from_fields<E, P>(
stream_append_vecs_path: P,
cluster_type: &ClusterType,
account_indexes: HashSet<AccountIndex>,
caching_enabled: bool,
) -> Result<AccountsDB, Error>
where
E: Into<AccountStorageEntry>,
P: AsRef<Path>,
{
let mut accounts_db =
AccountsDB::new_with_indexes(account_paths.to_vec(), cluster_type, account_indexes);
let mut accounts_db = AccountsDB::new_with_config(
account_paths.to_vec(),
cluster_type,
account_indexes,
caching_enabled,
);
let AccountsDbFields(storage, version, slot, bank_hash_info) = accounts_db_fields;
// convert to two level map of slot -> id -> account storage entry
@ -365,6 +376,10 @@ where
);
}
if max_id > AppendVecId::MAX / 2 {
panic!("Storage id {} larger than allowed max", max_id);
}
accounts_db.next_id.store(max_id + 1, Ordering::Relaxed);
accounts_db
.write_version

7
runtime/src/serde_snapshot/tests.rs
View File

@ -70,6 +70,7 @@ where
stream_append_vecs_path,
&ClusterType::Development,
HashSet::new(),
false,
)
}
@ -121,7 +122,8 @@ where
fn test_accounts_serialize_style(serde_style: SerdeStyle) {
solana_logger::setup();
let (_accounts_dir, paths) = get_temp_accounts_paths(4).unwrap();
let accounts = Accounts::new(paths, &ClusterType::Development);
let accounts =
Accounts::new_with_config(paths, &ClusterType::Development, HashSet::new(), false);
let mut pubkeys: Vec<Pubkey> = vec![];
create_test_accounts(&accounts, &mut pubkeys, 100, 0);
@ -181,7 +183,9 @@ fn test_bank_serialize_style(serde_style: SerdeStyle) {
let key3 = Keypair::new();
bank2.deposit(&key3.pubkey(), 0);
bank2.freeze();
bank2.squash();
bank2.force_flush_accounts_cache();
let snapshot_storages = bank2.get_snapshot_storages();
let mut buf = vec![];
@ -214,6 +218,7 @@ fn test_bank_serialize_style(serde_style: SerdeStyle) {
None,
None,
HashSet::new(),
false,
)
.unwrap();
dbank.src = ref_sc;

6
runtime/src/snapshot_utils.rs
View File

@ -581,6 +581,7 @@ pub fn remove_snapshot<P: AsRef<Path>>(slot: Slot, snapshot_path: P) -> Result<(
Ok(())
}
#[allow(clippy::too_many_arguments)]
pub fn bank_from_archive<P: AsRef<Path>>(
account_paths: &[PathBuf],
frozen_account_pubkeys: &[Pubkey],
@ -591,6 +592,7 @@ pub fn bank_from_archive<P: AsRef<Path>>(
debug_keys: Option<Arc<HashSet<Pubkey>>>,
additional_builtins: Option<&Builtins>,
account_indexes: HashSet<AccountIndex>,
accounts_db_caching_enabled: bool,
) -> Result<Bank> {
// Untar the snapshot into a temporary directory
let unpack_dir = tempfile::Builder::new()
@ -616,6 +618,7 @@ pub fn bank_from_archive<P: AsRef<Path>>(
debug_keys,
additional_builtins,
account_indexes,
accounts_db_caching_enabled,
)?;
if !bank.verify_snapshot_bank() {
@ -752,6 +755,7 @@ pub fn untar_snapshot_in<P: AsRef<Path>, Q: AsRef<Path>>(
Ok(())
}
#[allow(clippy::too_many_arguments)]
fn rebuild_bank_from_snapshots<P>(
snapshot_version: &str,
account_paths: &[PathBuf],
@ -762,6 +766,7 @@ fn rebuild_bank_from_snapshots<P>(
debug_keys: Option<Arc<HashSet<Pubkey>>>,
additional_builtins: Option<&Builtins>,
account_indexes: HashSet<AccountIndex>,
accounts_db_caching_enabled: bool,
) -> Result<Bank>
where
P: AsRef<Path>,
@ -799,6 +804,7 @@ where
debug_keys,
additional_builtins,
account_indexes,
accounts_db_caching_enabled,
),
}?)
})?;

2
runtime/src/system_instruction_processor.rs
View File

@ -1144,7 +1144,9 @@ mod tests {
#[test]
fn test_create_zero_lamport_with_clean() {
with_create_zero_lamport(|bank| {
bank.freeze();
bank.squash();
bank.force_flush_accounts_cache();
// do clean and assert that it actually did its job
assert_eq!(3, bank.get_snapshot_storages().len());
bank.clean_accounts(false);

6
runtime/tests/accounts.rs
View File

@ -25,7 +25,7 @@ fn test_shrink_and_clean() {
if exit_for_shrink.load(Ordering::Relaxed) {
break;
}
accounts_for_shrink.process_stale_slot();
accounts_for_shrink.process_stale_slot_v1();
});
let mut alive_accounts = vec![];
@ -45,7 +45,7 @@ fn test_shrink_and_clean() {
for (pubkey, account) in alive_accounts.iter_mut() {
account.lamports -= 1;
accounts.store(current_slot, &[(&pubkey, &account)]);
accounts.store_uncached(current_slot, &[(&pubkey, &account)]);
}
accounts.add_root(current_slot);
}
@ -108,7 +108,7 @@ fn test_bad_bank_hash() {
.iter()
.map(|idx| (&accounts_keys[*idx].0, &accounts_keys[*idx].1))
.collect();
db.store(some_slot, &account_refs);
db.store_uncached(some_slot, &account_refs);
for (key, account) in &account_refs {
assert_eq!(

6
validator/src/main.rs
View File

@ -1423,6 +1423,11 @@ pub fn main() {
.value_name("INDEX")
.help("Enable an accounts index, indexed by the selected account field"),
)
.arg(
Arg::with_name("accounts_db_caching_enabled")
.long("accounts-db-caching-enabled")
.help("Enable accounts caching"),
)
.get_matches();
let identity_keypair = Arc::new(keypair_of(&matches, "identity").unwrap_or_else(Keypair::new));
@ -1593,6 +1598,7 @@ pub fn main() {
poh_pinned_cpu_core: value_of(&matches, "poh_pinned_cpu_core")
.unwrap_or(poh_service::DEFAULT_PINNED_CPU_CORE),
account_indexes,
accounts_db_caching_enabled: matches.is_present("accounts_db_caching_enabled"),
..ValidatorConfig::default()
};