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perf(backend): improve hybrid-timeline performance

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This commit is contained in:
syuilo 2023-10-08 15:22:43 +09:00
parent 774bf6a55e
commit 9240db35f3
1 changed files with 17 additions and 14 deletions
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31
packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
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@ -93,20 +93,23 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
const [htlNoteIds, ltlNoteIds] = await Promise.all([
this.redisForTimelines.xrevrange(
ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`,
ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
'COUNT', limit,
).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId)),
this.redisForTimelines.xrevrange(
ps.withFiles ? 'localTimelineWithFiles' : 'localTimeline',
ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
'COUNT', limit,
).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId)),
]);
const redisPipeline = this.redisForTimelines.pipeline();
redisPipeline.xrevrange(
ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`,
ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
'COUNT', limit,
);
redisPipeline.xrevrange(
ps.withFiles ? 'localTimelineWithFiles' : 'localTimeline',
ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
'COUNT', limit,
);
const [htlNoteIds, ltlNoteIds] = await redisPipeline.exec().then(res => res ? [
(res[0][1] as string[][]).map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId),
(res[1][1] as string[][]).map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId),
] : []);
let noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
noteIds.sort((a, b) => a > b ? -1 : 1);