[Experiment] Use incremental vacuum to speed up delete? (#2800)

* DB: Use incremental vacuum

* Chore: Add log for delete monitor exec. time

* WIP: Test synchronous NORMAL
This commit is contained in:
Nelson Chan 2023-06-29 22:41:01 +08:00 committed by GitHub
parent eaee55fc8f
commit a386f1fc9e
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2 changed files with 8 additions and 2 deletions

View file

@ -169,12 +169,12 @@ class Database {
await R.exec("PRAGMA journal_mode = WAL");
}
await R.exec("PRAGMA cache_size = -12000");
await R.exec("PRAGMA auto_vacuum = FULL");
await R.exec("PRAGMA auto_vacuum = INCREMENTAL");
// This ensures that an operating system crash or power failure will not corrupt the database.
// FULL synchronous is very safe, but it is also slower.
// Read more: https://sqlite.org/pragma.html#pragma_synchronous
await R.exec("PRAGMA synchronous = FULL");
await R.exec("PRAGMA synchronous = NORMAL");
if (!noLog) {
log.info("db", "SQLite config:");

View file

@ -902,6 +902,8 @@ let needSetup = false;
delete server.monitorList[monitorID];
}
const startTime = Date.now();
await R.exec("DELETE FROM monitor WHERE id = ? AND user_id = ? ", [
monitorID,
socket.userID,
@ -910,6 +912,10 @@ let needSetup = false;
// Fix #2880
apicache.clear();
const endTime = Date.now();
log.info("DB", `Delete Monitor completed in : ${endTime - startTime} ms`);
callback({
ok: true,
msg: "Deleted Successfully.",