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improvement: drop slow readers more quickly

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This commit is contained in:
Greg Heartsfield 2023-02-01 18:09:30 -06:00
parent eb1d2d717d
commit 2b79099cfe
2 changed files with 5 additions and 5 deletions
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8
src/repo/sqlite.rs
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@ -364,9 +364,9 @@ impl NostrRepo for SqliteRepo {
if sql_gen_elapsed > Duration::from_millis(10) {
debug!("SQL (slow) generated in {:?}", filter_start.elapsed());
}
// any client that doesn't cause us to generate new rows in 5
// any client that doesn't cause us to generate new rows in 2
// seconds gets dropped.
let abort_cutoff = Duration::from_secs(5);
let abort_cutoff = Duration::from_secs(2);
let mut slow_first_event;
let mut last_successful_send = Instant::now();
// execute the query.
@ -436,8 +436,8 @@ impl NostrRepo for SqliteRepo {
return Ok(());
}
// give the queue a chance to clear before trying again
info!("query thread sleeping due to full query_tx (cid: {}, sub: {:?})", client_id, sub.id);
thread::sleep(Duration::from_millis(100));
debug!("query thread sleeping due to full query_tx (cid: {}, sub: {:?})", client_id, sub.id);
thread::sleep(Duration::from_millis(500));
}
// TODO: we could use try_send, but we'd have to juggle
// getting the query result back as part of the error

2
src/server.rs
View File

@ -576,7 +576,7 @@ async fn nostr_server(
// we will send out the tx handle to any query we generate.
// this has capacity for some of the larger requests we see, which
// should allow the DB thread to release the handle earlier.
let (query_tx, mut query_rx) = mpsc::channel::<db::QueryResult>(20000);
let (query_tx, mut query_rx) = mpsc::channel::<db::QueryResult>(20_000);
// Create channel for receiving NOTICEs
let (notice_tx, mut notice_rx) = mpsc::channel::<Notice>(128);