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