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https://github.com/scsibug/nostr-rs-relay.git
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improvement: tweak sub/sql logging for slow queries
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parent
b0bfaa48fc
commit
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20
src/db.rs
20
src/db.rs
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@ -611,7 +611,6 @@ pub async fn db_query(
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mut abandon_query_rx: tokio::sync::oneshot::Receiver<()>,
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mut abandon_query_rx: tokio::sync::oneshot::Receiver<()>,
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) {
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) {
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task::spawn_blocking(move || {
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task::spawn_blocking(move || {
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trace!("going to query for: {:?}", sub);
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let mut row_count: usize = 0;
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let mut row_count: usize = 0;
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let start = Instant::now();
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let start = Instant::now();
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// generate SQL query
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// generate SQL query
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@ -620,7 +619,7 @@ pub async fn db_query(
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// show pool stats
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// show pool stats
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debug!("DB pool stats: {:?}", pool.state());
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debug!("DB pool stats: {:?}", pool.state());
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// cutoff for displaying slow queries
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// cutoff for displaying slow queries
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let slow_cutoff = Duration::from_millis(200);
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let slow_cutoff = Duration::from_millis(1000);
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let start = Instant::now();
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let start = Instant::now();
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if let Ok(conn) = pool.get() {
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if let Ok(conn) = pool.get() {
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// execute the query. Don't cache, since queries vary so much.
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// execute the query. Don't cache, since queries vary so much.
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@ -630,10 +629,23 @@ pub async fn db_query(
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while let Some(row) = event_rows.next()? {
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while let Some(row) = event_rows.next()? {
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if first_result {
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if first_result {
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let first_result_elapsed = start.elapsed();
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let first_result_elapsed = start.elapsed();
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// logging for slow queries
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// logging for slow queries; show sub and SQL
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if first_result_elapsed >= slow_cutoff {
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if first_result_elapsed >= slow_cutoff {
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info!("final query string (slow): {}", q);
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info!(
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"going to query for: {:?} (cid={}, sub={:?})",
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sub, client_id, sub.id
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);
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info!(
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"final query string (slow): {} (cid={}, sub={:?})",
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q, client_id, sub.id
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);
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} else {
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} else {
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trace!(
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"going to query for: {:?} (cid={}, sub={:?})",
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sub,
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client_id,
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sub.id
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);
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trace!("final query string: {}", q);
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trace!("final query string: {}", q);
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}
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}
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debug!(
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debug!(
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