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refactor: optimize semaphore acquisition for the history table #18504

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5 changes: 5 additions & 0 deletions src/query/service/src/history_tables/global_history_log.rs
Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,11 @@ impl GlobalHistoryLog {
Ok(acquired_lock) => {
if acquired_lock {
consecutive_error = 0;
} else {
// If the lock is acquired by another node, this node will wait for
// a relative longer time (15s to 20s) before retrying.
// This is to avoid frequent acquire attempts
sleep(Duration::from_secs(15 + random::<u64>() % 5)).await;
}
}
Err(e) => {
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