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Debug shrink stats (#19505)

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* add some shrink metrics

* renames
This commit is contained in:
Jeff Washington (jwash) 2021-08-31 09:04:56 -05:00 committed by GitHub
parent d7051b0d21
commit 9d3afba045
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 1 deletions
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29
runtime/src/accounts_db.rs
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@ -1220,6 +1220,9 @@ struct ShrinkStats {
bytes_removed: AtomicU64,
bytes_written: AtomicU64,
skipped_shrink: AtomicU64,
dead_accounts: AtomicU64,
alive_accounts: AtomicU64,
cancelled_shrink: AtomicU64,
}
impl ShrinkStats {
@ -1308,6 +1311,21 @@ impl ShrinkStats {
self.skipped_shrink.swap(0, Ordering::Relaxed) as i64,
i64
),
(
"alive_accounts",
self.alive_accounts.swap(0, Ordering::Relaxed) as i64,
i64
),
(
"dead_accounts",
self.dead_accounts.swap(0, Ordering::Relaxed) as i64,
i64
),
(
"cancelled_shrink",
self.cancelled_shrink.swap(0, Ordering::Relaxed) as i64,
i64
),
);
}
}
@ -2271,10 +2289,16 @@ impl AccountsDb {
// not exist in the re-written slot. Unref it to keep the index consistent with
// rewriting the storage entries.
unrefed_pubkeys.push(pubkey);
locked_entry.unref()
locked_entry.unref();
self.shrink_stats
.dead_accounts
.fetch_add(1, Ordering::Relaxed);
} else {
alive_accounts.push((pubkey, stored_account));
alive_total += stored_account.account_size;
self.shrink_stats
.alive_accounts
.fetch_add(1, Ordering::Relaxed);
}
}
}
@ -2287,6 +2311,9 @@ impl AccountsDb {
self.shrink_stats
.skipped_shrink
.fetch_add(1, Ordering::Relaxed);
self.shrink_stats
.cancelled_shrink
.fetch_add(1, Ordering::Relaxed);
for pubkey in unrefed_pubkeys {
if let Some(locked_entry) = self.accounts_index.get_account_read_entry(pubkey) {
locked_entry.addref();