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Quick fix on statistics replication: filter out temporal outsiders

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natsoni 2024-07-07 22:35:34 +09:00
parent fc12733132
commit 5001d553f3
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1 changed files with 14 additions and 5 deletions
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19
backend/src/replication/StatisticsReplication.ts
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@ -123,7 +123,7 @@ class StatisticsReplication {
};
const intervals = [ // [start, end, label ]
[now - day, now - 60, '24h'] , // from 24 hours ago to now = 1 minute granularity
[now - day + 600, now - 60, '24h'] , // from 24 hours ago to now = 1 minute granularity
startTime < now - day ? [now - day * 7, now - day, '1w' ] : null, // from 1 week ago to 24 hours ago = 5 minutes granularity
startTime < now - day * 7 ? [now - day * 30, now - day * 7, '1m' ] : null, // from 1 month ago to 1 week ago = 30 minutes granularity
startTime < now - day * 30 ? [now - day * 90, now - day * 30, '3m' ] : null, // from 3 months ago to 1 month ago = 2 hours granularity
@ -170,15 +170,24 @@ class StatisticsReplication {
return new Set<number>();
}
const roundedTimesAlreadyHere = new Set(rows.map(row => this.roundToNearestStep(row.added, step)));
const missingTimes = new Set(timeSteps.filter(time => !roundedTimesAlreadyHere.has(time)));
const roundedTimesAlreadyHere: number[] = Array.from(new Set(rows.map(row => this.roundToNearestStep(row.added, step))));
const missingTimes = timeSteps.filter(time => !roundedTimesAlreadyHere.includes(time)).filter((time, i, arr) => {
// Remove outsiders
if (i === 0) {
return arr[i + 1] === time + step
} else if (i === arr.length - 1) {
return arr[i - 1] === time - step;
}
return (arr[i + 1] === time + step) && (arr[i - 1] === time - step)
});
// Don't bother fetching if very few rows are missing
if (missingTimes.size < timeSteps.length * 0.005) {
if (missingTimes.length < timeSteps.length * 0.01) {
return new Set();
}
return missingTimes;
return new Set(missingTimes);
} catch (e: any) {
logger.err(`Cannot fetch missing statistics times from db. Reason: ` + (e instanceof Error ? e.message : e));
throw e;