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perf: reduce logging for slow queries

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This commit is contained in:
Greg Heartsfield 2022-12-18 20:47:11 -06:00
parent fb8375aef2
commit cf144d503d
1 changed files with 6 additions and 7 deletions
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13
src/db.rs
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@ -647,7 +647,7 @@ pub async fn db_query(
// show pool stats
log_pool_stats(&pool);
// cutoff for displaying slow queries
let slow_cutoff = Duration::from_millis(1000);
let slow_cutoff = Duration::from_millis(2000);
let start = Instant::now();
let mut slow_first_event;
if let Ok(conn) = pool.get() {
@ -665,9 +665,9 @@ pub async fn db_query(
);
first_result = false;
}
// logging for slow queries; show sub and SQL
//
if slow_first_event {
// logging for slow queries; show sub and SQL.
// to reduce logging; only show 1/16th of clients (leading 0)
if slow_first_event && client_id.starts_with('0') {
info!(
"query req (slow): {:?} (cid: {}, sub: {:?})",
sub, client_id, sub.id
@ -690,9 +690,8 @@ pub async fn db_query(
sub.id
);
}
// check if this is still active
// TODO: check every N rows
if abandon_query_rx.try_recv().is_ok() {
// check if this is still active; every 100 rows
if row_count % 100 == 0 && abandon_query_rx.try_recv().is_ok() {
debug!("query aborted (cid: {}, sub: {:?})", client_id, sub.id);
return Ok(());
}