nostr/nostr-rs-relay
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improvement: remove pauses for backups, likely not needed w/ WAL compaction

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This commit is contained in:
Greg Heartsfield 2023-01-02 15:38:30 -06:00
parent 7774db8c47
commit 14fe9f9ee1
1 changed files with 1 additions and 15 deletions
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16
src/db.rs
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@ -44,10 +44,6 @@ pub const DB_FILE: &str = "nostr.db";
/// How frequently to attempt checkpointing /// How frequently to attempt checkpointing
pub const CHECKPOINT_FREQ_SEC: u64 = 60; pub const CHECKPOINT_FREQ_SEC: u64 = 60;
/// How many persisted events before we pause for backups.
/// It isn't clear this is enough to make the online backup API work yet.
pub const EVENT_COUNT_BACKUP_PAUSE_TRIGGER: usize = 1000;
/// Build a database connection pool. /// Build a database connection pool.
/// # Panics /// # Panics
/// ///
@ -184,10 +180,6 @@ pub async fn db_writer(
let rps_setting = settings.limits.messages_per_sec; let rps_setting = settings.limits.messages_per_sec;
let mut most_recent_rate_limit = Instant::now(); let mut most_recent_rate_limit = Instant::now();
let mut lim_opt = None; let mut lim_opt = None;
// Constant writing has interfered with online backups. Keep
// track of how long since we've given the backups a chance to
// run.
let mut backup_pause_counter: usize = 0;
let clock = governor::clock::QuantaClock::default(); let clock = governor::clock::QuantaClock::default();
if let Some(rps) = rps_setting { if let Some(rps) = rps_setting {
if rps > 0 { if rps > 0 {
@ -340,12 +332,6 @@ pub async fn db_writer(
notice_tx.try_send(Notice::error(event.id, msg)).ok(); notice_tx.try_send(Notice::error(event.id, msg)).ok();
} }
} }
backup_pause_counter += 1;
if backup_pause_counter > EVENT_COUNT_BACKUP_PAUSE_TRIGGER {
info!("pausing db write thread for a moment...");
thread::sleep(Duration::from_millis(500));
backup_pause_counter = 0
}
} }
// use rate limit, if defined, and if an event was actually written. // use rate limit, if defined, and if an event was actually written.
@ -919,4 +905,4 @@ pub async fn db_query(
let ok: Result<()> = Ok(()); let ok: Result<()> = Ok(());
ok ok
}); });
} }