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Add LARGEST_CONFIRMED_ROOT_UPLOAD_DELAY

This commit is contained in:
Michael Vines 2020-09-04 14:54:38 -07:00
parent 4ba43c29ce
commit b64fb295a1
1 changed files with 16 additions and 7 deletions
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23
core/src/bigtable_upload_service.rs
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@ -7,6 +7,14 @@ use std::{
};
use tokio::runtime;
// Delay uploading the largest confirmed root for this many slots. This is done in an attempt to
// ensure that the `CacheBlockTimeService` has had enough time to add the block time for the root
// before it's uploaded to BigTable.
//
// A more direct connection between CacheBlockTimeService and BigTableUploadService would be
// preferable...
const LARGEST_CONFIRMED_ROOT_UPLOAD_DELAY: usize = 100;
pub struct BigTableUploadService {
thread: JoinHandle<()>,
}
@ -43,18 +51,19 @@ impl BigTableUploadService {
block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
exit: Arc<AtomicBool>,
) {
let mut starting_slot = 0;
let mut start_slot = 0;
loop {
if exit.load(Ordering::Relaxed) {
break;
}
let max_confirmed_root = block_commitment_cache
let end_slot = block_commitment_cache
.read()
.unwrap()
.highest_confirmed_root();
.highest_confirmed_root()
.saturating_sub(LARGEST_CONFIRMED_ROOT_UPLOAD_DELAY as u64);
if max_confirmed_root == starting_slot {
if end_slot <= start_slot {
std::thread::sleep(std::time::Duration::from_secs(1));
continue;
}
@ -62,14 +71,14 @@ impl BigTableUploadService {
let result = runtime.block_on(solana_ledger::bigtable_upload::upload_confirmed_blocks(
blockstore.clone(),
bigtable_ledger_storage.clone(),
starting_slot,
Some(max_confirmed_root),
start_slot,
Some(end_slot),
true,
exit.clone(),
));
match result {
Ok(()) => starting_slot = max_confirmed_root,
Ok(()) => start_slot = end_slot,
Err(err) => {
warn!("bigtable: upload_confirmed_blocks: {}", err);
std::thread::sleep(std::time::Duration::from_secs(2));