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Improve performance of charts

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Fix some undefined !== deleted issues
This commit is contained in:
Kaitlyn Allan 2023-04-01 21:42:03 +10:00
parent 0e8fe41aaa
commit b96fe57793
4 changed files with 48 additions and 29 deletions
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11
packages/backend/src/server/api/stream/channels/channel.ts
View file

@ -10,7 +10,7 @@ export default class extends Channel {
public static shouldShare = false;
public static requireCredential = false;
private channelId: string;
private typers: Record<User["id"], Date> = {};
private typers: Map<User["id"], Date> = new Map();
private emitTypersIntervalId: ReturnType<typeof setInterval>;
constructor(id: string, connection: Channel["connection"]) {
@ -44,8 +44,8 @@ export default class extends Channel {
private onEvent(data: StreamMessages["channel"]["payload"]) {
if (data.type === "typing") {
const id = data.body;
const begin = this.typers[id] == null;
this.typers[id] = new Date();
const begin = !this.typers.has(id);
this.typers.set(id, new Date());
if (begin) {
this.emitTypers();
}
@ -58,10 +58,11 @@ export default class extends Channel {
// Remove not typing users
for (const [userId, date] of Object.entries(this.typers)) {
if (now.getTime() - date.getTime() > 5000)
this.typers[userId] = undefined;
this.typers.delete(userId);
}
const users = await Users.packMany(Object.keys(this.typers), null, {
const keys = Array.from(this.typers.keys());
const users = await Users.packMany(keys, null, {
detail: false,
});

13
packages/backend/src/server/api/stream/channels/messaging.ts
View file

@ -20,7 +20,7 @@ export default class extends Channel {
private subCh:
| `messagingStream:${User["id"]}-${User["id"]}`
| `messagingStream:${UserGroup["id"]}`;
private typers: Record<User["id"], Date> = {};
private typers: Map<User["id"], Date> = new Map();
private emitTypersIntervalId: ReturnType<typeof setInterval>;
constructor(id: string, connection: Channel["connection"]) {
@ -66,8 +66,8 @@ export default class extends Channel {
) {
if (data.type === "typing") {
const id = data.body;
const begin = this.typers[id] == null;
this.typers[id] = new Date();
const begin = !this.typers.has(id);
this.typers.set(id, new Date());
if (begin) {
this.emitTypers();
}
@ -107,12 +107,13 @@ export default class extends Channel {
const now = new Date();
// Remove not typing users
for (const [userId, date] of Object.entries(this.typers)) {
for (const [userId, date] of this.typers.entries()) {
if (now.getTime() - date.getTime() > 5000)
this.typers[userId] = undefined;
this.typers.delete(userId);
}
const users = await Users.packMany(Object.keys(this.typers), null, {
const ids = Array.from(this.typers.keys());
const users = await Users.packMany(ids, null, {
detail: false,
});

19
packages/backend/src/server/api/stream/index.ts
View file

@ -42,7 +42,7 @@ export default class Connection {
private wsConnection: websocket.connection;
public subscriber: StreamEventEmitter;
private channels: Channel[] = [];
private subscribingNotes: any = {};
private subscribingNotes: Map<string, number> = new Map();
private cachedNotes: Packed<"Note">[] = [];
private isMastodonCompatible: boolean = false;
private host: string;
@ -339,13 +339,10 @@ export default class Connection {
private onSubscribeNote(payload: any) {
if (!payload.id) return;
if (this.subscribingNotes[payload.id] == null) {
this.subscribingNotes[payload.id] = 0;
}
const c = this.subscribingNotes.get(payload.id) || 0;
this.subscribingNotes.set(payload.id, c + 1);
this.subscribingNotes[payload.id]++;
if (this.subscribingNotes[payload.id] === 1) {
if (!c) {
this.subscriber.on(`noteStream:${payload.id}`, this.onNoteStreamMessage);
}
}
@ -356,11 +353,13 @@ export default class Connection {
private onUnsubscribeNote(payload: any) {
if (!payload.id) return;
this.subscribingNotes[payload.id]--;
if (this.subscribingNotes[payload.id] <= 0) {
this.subscribingNotes[payload.id] = undefined;
const c = this.subscribingNotes.get(payload.id) || 0;
if (c <= 1) {
this.subscribingNotes.delete(payload.id);
this.subscriber.off(`noteStream:${payload.id}`, this.onNoteStreamMessage);
return;
}
this.subscribingNotes.set(payload.id, c - 1);
}
private async onNoteStreamMessage(data: StreamMessages["note"]["payload"]) {

24
packages/backend/src/services/chart/core.ts
View file

@ -17,6 +17,7 @@ import {
} from "@/prelude/time.js";
import { getChartInsertLock } from "@/misc/app-lock.js";
import { db } from "@/db/postgre.js";
import promiseLimit from "promise-limit";
const logger = new Logger("chart", "white", process.env.NODE_ENV !== "test");
@ -472,7 +473,8 @@ export default abstract class Chart<T extends Schema> {
protected commit(diff: Commit<T>, group: string | null = null): void {
for (const [k, v] of Object.entries(diff)) {
if (v == null || v === 0 || (Array.isArray(v) && v.length === 0))
diff[k] = undefined;
// rome-ignore lint/performance/noDelete: needs to be deleted not just set to undefined
delete diff[k];
}
this.buffer.push({
diff,
@ -554,7 +556,7 @@ export default abstract class Chart<T extends Schema> {
// bake unique count
for (const [k, v] of Object.entries(finalDiffs)) {
if (this.schema[k].uniqueIncrement) {
if (this.schema[k].uniqueIncrement && Array.isArray(v) && v.length > 0) {
const name = (columnPrefix +
k.replaceAll(".", columnDot)) as keyof Columns<T>;
const tempColumnName = (uniqueTempColumnPrefix +
@ -646,15 +648,31 @@ export default abstract class Chart<T extends Schema> {
);
};
const groups = removeDuplicates(this.buffer.map((log) => log.group));
const startCount = this.buffer.length;
const groups = removeDuplicates(this.buffer.map((log) => log.group));
const groupCount = groups.length;
// Limit the number of concurrent chart update queries executed on the database
// to 25 at a time, so as avoid excessive IO spinlocks like when 8k queries are
// sent out at once.
const limit = promiseLimit(25);
const startTime = Date.now();
await Promise.all(
groups.map((group) =>
limit(() =>
Promise.all([
this.claimCurrentLog(group, "hour"),
this.claimCurrentLog(group, "day"),
]).then(([logHour, logDay]) => update(logHour, logDay)),
),
),
);
const duration = Date.now() - startTime;
logger.info(
`Saved ${startCount} (${groupCount} unique) ${this.name} items in ${duration}ms (${this.buffer.length} remaining)`,
);
}