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metrics on accounts index entry (#19806)

This commit is contained in:
Jeff Washington (jwash) 2021-09-13 08:33:45 -05:00 committed by GitHub
parent 3f6eb96d6e
commit c05226620f
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2 changed files with 30 additions and 6 deletions
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24
runtime/src/bucket_map_holder_stats.rs
View File

@ -7,6 +7,10 @@ pub struct BucketMapHolderStats {
pub gets_from_mem: AtomicU64,
pub get_missing_us: AtomicU64,
pub gets_missing: AtomicU64,
pub entry_mem_us: AtomicU64,
pub entries_from_mem: AtomicU64,
pub entry_missing_us: AtomicU64,
pub entries_missing: AtomicU64,
pub items: AtomicU64,
pub keys: AtomicU64,
pub deletes: AtomicU64,
@ -36,6 +40,26 @@ impl BucketMapHolderStats {
self.get_missing_us.swap(0, Ordering::Relaxed) / 1000,
i64
),
(
"entries_from_mem",
self.entries_from_mem.swap(0, Ordering::Relaxed),
i64
),
(
"entry_mem_us",
self.entry_mem_us.swap(0, Ordering::Relaxed) / 1000,
i64
),
(
"entries_missing",
self.entries_missing.swap(0, Ordering::Relaxed),
i64
),
(
"entry_missing_us",
self.entry_missing_us.swap(0, Ordering::Relaxed) / 1000,
i64
),
("deletes", self.deletes.swap(0, Ordering::Relaxed), i64),
("items", self.items.swap(0, Ordering::Relaxed), i64),
("keys", self.keys.swap(0, Ordering::Relaxed), i64),

12
runtime/src/in_mem_accounts_index.rs
View File

@ -37,14 +37,14 @@ impl<T: IsCached> InMemAccountsIndex<T> {
Arc::new(BucketMapHolder::new())
}
pub fn entry(&mut self, pubkey: Pubkey) -> Entry<K, AccountMapEntry<T>> {
fn entry(&mut self, pubkey: Pubkey) -> Entry<K, AccountMapEntry<T>> {
let m = Measure::start("entry");
let result = self.map.entry(pubkey);
let stats = &self.storage.stats;
let (count, time) = if matches!(result, Entry::Occupied(_)) {
(&stats.gets_from_mem, &stats.get_mem_us)
(&stats.entries_from_mem, &stats.entry_mem_us)
} else {
(&stats.gets_missing, &stats.get_missing_us)
(&stats.entries_missing, &stats.entry_missing_us)
};
Self::update_time_stat(time, m);
Self::update_stat(count, 1);
@ -87,7 +87,7 @@ impl<T: IsCached> InMemAccountsIndex<T> {
// If the slot list for pubkey exists in the index and is empty, remove the index entry for pubkey and return true.
// Return false otherwise.
pub fn remove_if_slot_list_empty(&mut self, pubkey: Pubkey) -> bool {
if let Entry::Occupied(index_entry) = self.map.entry(pubkey) {
if let Entry::Occupied(index_entry) = self.entry(pubkey) {
if index_entry.get().slot_list.read().unwrap().is_empty() {
index_entry.remove();
return true;
@ -102,7 +102,7 @@ impl<T: IsCached> InMemAccountsIndex<T> {
reclaims: &mut SlotList<T>,
previous_slot_entry_was_cached: bool,
) {
match self.map.entry(*pubkey) {
match self.entry(*pubkey) {
Entry::Occupied(mut occupied) => {
let current = occupied.get_mut();
Self::lock_and_update_slot_list(
@ -212,7 +212,7 @@ impl<T: IsCached> InMemAccountsIndex<T> {
pubkey: Pubkey,
new_entry: AccountMapEntry<T>,
) -> Option<(WriteAccountMapEntry<T>, T, Pubkey)> {
let account_entry = self.map.entry(pubkey);
let account_entry = self.entry(pubkey);
match account_entry {
Entry::Occupied(account_entry) => Some((
WriteAccountMapEntry::from_account_map_entry(account_entry.get().clone()),