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https://github.com/scsibug/nostr-rs-relay.git
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improvement: run maintenance every 60 seconds instead of by event count
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parent
91177c61a1
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12
src/db.rs
12
src/db.rs
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@ -38,8 +38,11 @@ pub struct SubmittedEvent {
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/// Database file
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pub const DB_FILE: &str = "nostr.db";
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/// How frequently to run maintenance
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/// How many persisted events before DB maintenannce is triggered.
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pub const EVENT_COUNT_MAINTENANCE_TRIGGER: usize = 2000;
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pub const EVENT_MAINTENANCE_FREQ_SEC: u64 = 60;
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/// How many persisted events before we pause for backups.
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/// It isn't clear this is enough to make the online backup API work yet.
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pub const EVENT_COUNT_BACKUP_PAUSE_TRIGGER: usize = 1000;
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@ -170,7 +173,7 @@ pub async fn db_writer(
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let mut lim_opt = None;
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// Keep rough track of events so we can run maintenance
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// eventually.
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let mut maintenance_counter: usize = 0;
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let mut last_maintenance = Instant::now();
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// Constant writing has interfered with online backups. Keep
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// track of how long since we've given the backups a chance to
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// run.
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@ -316,10 +319,9 @@ pub async fn db_writer(
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}
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// Use this as a trigger to do optimization & checkpointing
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maintenance_counter += 1;
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if maintenance_counter > EVENT_COUNT_MAINTENANCE_TRIGGER {
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if last_maintenance.elapsed() > Duration::from_secs(EVENT_MAINTENANCE_FREQ_SEC) {
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last_maintenance = Instant::now();
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debug!("running database optimizer");
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maintenance_counter = 0;
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optimize_db(&mut pool.get()?).ok();
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debug!("running wal_checkpoint(TRUNCATE)");
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checkpoint_db(&mut pool.get()?).ok();
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