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delete extra log items when over limit,to not have to delete every flush

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This commit is contained in:
Bruno Windels 2021-02-16 17:45:19 +01:00
parent ee4a382578
commit e629a93edd
1 changed files with 6 additions and 5 deletions
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11
src/logging/IDBLogger.js
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@ -60,19 +60,20 @@ export class IDBLogger extends BaseLogger {
for(const i of this._queuedItems) {
logs.add(i);
}
// TODO: delete more than needed so we don't delete on every flush?
// trim logs if needed
const itemCount = await reqAsPromise(logs.count());
if (itemCount > this._limit) {
let currentCount = itemCount;
// delete an extra 10% so we don't need to delete every time we flush
let deleteAmount = (itemCount - this._limit) + Math.round(0.1 * this._limit);
await iterateCursor(logs.openCursor(), (_, __, cursor) => {
cursor.delete();
currentCount -= 1;
return {done: currentCount <= this._limit};
deleteAmount -= 1;
return {done: deleteAmount === 0};
});
}
await txnAsPromise(txn);
this._queuedItems.splice(0, amount);
} catch (err) {
console.warn("Could not flush logs", err);
} finally {
try {
db.close();