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merge: Remove infinite caches to prevent memory leak (!587)

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View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/587

Closes #600 and #601

Approved-by: Amelia Yukii <amelia.yukii@shourai.de>
Approved-by: Marie <marie@kaifa.ch>
This commit is contained in:
dakkar 2024-08-06 16:51:18 +00:00
commit 4e7df7a5f2
12 changed files with 94 additions and 87 deletions
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2
packages/backend/src/core/AvatarDecorationService.ts
View file

@ -29,7 +29,7 @@ export class AvatarDecorationService implements OnApplicationShutdown {
private moderationLogService: ModerationLogService,
private globalEventService: GlobalEventService,
) {
this.cache = new MemorySingleCache<MiAvatarDecoration[]>(1000 * 60 * 30);
this.cache = new MemorySingleCache<MiAvatarDecoration[]>(1000 * 60 * 30); // 30s
this.redisForSub.on('message', this.onMessage);
}

12
packages/backend/src/core/CacheService.ts
View file

@ -56,10 +56,10 @@ export class CacheService implements OnApplicationShutdown {
) {
//this.onMessage = this.onMessage.bind(this);
this.userByIdCache = new MemoryKVCache<MiUser>(Infinity);
this.localUserByNativeTokenCache = new MemoryKVCache<MiLocalUser | null>(Infinity);
this.localUserByIdCache = new MemoryKVCache<MiLocalUser>(Infinity);
this.uriPersonCache = new MemoryKVCache<MiUser | null>(Infinity);
this.userByIdCache = new MemoryKVCache<MiUser>(1000 * 60 * 5); // 5m
this.localUserByNativeTokenCache = new MemoryKVCache<MiLocalUser | null>(1000 * 60 * 5); // 5m
this.localUserByIdCache = new MemoryKVCache<MiLocalUser>(1000 * 60 * 5); // 5m
this.uriPersonCache = new MemoryKVCache<MiUser | null>(1000 * 60 * 5); // 5m
this.userProfileCache = new RedisKVCache<MiUserProfile>(this.redisClient, 'userProfile', {
lifetime: 1000 * 60 * 30, // 30m
@ -135,14 +135,14 @@ export class CacheService implements OnApplicationShutdown {
if (user == null) {
this.userByIdCache.delete(body.id);
this.localUserByIdCache.delete(body.id);
for (const [k, v] of this.uriPersonCache.cache.entries()) {
for (const [k, v] of this.uriPersonCache.entries) {
if (v.value?.id === body.id) {
this.uriPersonCache.delete(k);
}
}
} else {
this.userByIdCache.set(user.id, user);
for (const [k, v] of this.uriPersonCache.cache.entries()) {
for (const [k, v] of this.uriPersonCache.entries) {
if (v.value?.id === user.id) {
this.uriPersonCache.set(k, user);
}

14
packages/backend/src/core/CustomEmojiService.ts
View file

@ -26,7 +26,7 @@ const parseEmojiStrRegexp = /^([-\w]+)(?:@([\w.-]+))?$/;
@Injectable()
export class CustomEmojiService implements OnApplicationShutdown {
private cache: MemoryKVCache<MiEmoji | null>;
private emojisCache: MemoryKVCache<MiEmoji | null>;
public localEmojisCache: RedisSingleCache<Map<string, MiEmoji>>;
constructor(
@ -49,7 +49,7 @@ export class CustomEmojiService implements OnApplicationShutdown {
private globalEventService: GlobalEventService,
private driveService: DriveService,
) {
this.cache = new MemoryKVCache<MiEmoji | null>(1000 * 60 * 60 * 12);
this.emojisCache = new MemoryKVCache<MiEmoji | null>(1000 * 60 * 60 * 12); // 12h
this.localEmojisCache = new RedisSingleCache<Map<string, MiEmoji>>(this.redisClient, 'localEmojis', {
lifetime: 1000 * 60 * 30, // 30m
@ -357,14 +357,14 @@ export class CustomEmojiService implements OnApplicationShutdown {
if (name == null) return null;
if (host == null) return null;
const newHost = host === this.config.host ? null : host;
const newHost = host === this.config.host ? null : host;
const queryOrNull = async () => (await this.emojisRepository.findOneBy({
name,
host: newHost ?? IsNull(),
})) ?? null;
const emoji = await this.cache.fetch(`${name} ${host}`, queryOrNull);
const emoji = await this.emojisCache.fetch(`${name} ${host}`, queryOrNull);
if (emoji == null) return null;
return emoji.publicUrl || emoji.originalUrl; // || emoji.originalUrl してるのは後方互換性のため（publicUrlはstringなので??はだめ）
@ -391,7 +391,7 @@ export class CustomEmojiService implements OnApplicationShutdown {
*/
@bindThis
public async prefetchEmojis(emojis: { name: string; host: string | null; }[]): Promise<void> {
const notCachedEmojis = emojis.filter(emoji => this.cache.get(`${emoji.name} ${emoji.host}`) == null);
const notCachedEmojis = emojis.filter(emoji => this.emojisCache.get(`${emoji.name} ${emoji.host}`) == null);
const emojisQuery: any[] = [];
const hosts = new Set(notCachedEmojis.map(e => e.host));
for (const host of hosts) {
@ -406,7 +406,7 @@ export class CustomEmojiService implements OnApplicationShutdown {
select: ['name', 'host', 'originalUrl', 'publicUrl'],
}) : [];
for (const emoji of _emojis) {
this.cache.set(`${emoji.name} ${emoji.host}`, emoji);
this.emojisCache.set(`${emoji.name} ${emoji.host}`, emoji);
}
}
@ -431,7 +431,7 @@ export class CustomEmojiService implements OnApplicationShutdown {
@bindThis
public dispose(): void {
this.cache.dispose();
this.emojisCache.dispose();
}
@bindThis

2
packages/backend/src/core/RelayService.ts
View file

@ -35,7 +35,7 @@ export class RelayService {
private createSystemUserService: CreateSystemUserService,
private apRendererService: ApRendererService,
) {
this.relaysCache = new MemorySingleCache<MiRelay[]>(1000 * 60 * 10);
this.relaysCache = new MemorySingleCache<MiRelay[]>(1000 * 60 * 10); // 10m
}
@bindThis

6
packages/backend/src/core/RoleService.ts
View file

@ -129,10 +129,8 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
private moderationLogService: ModerationLogService,
private fanoutTimelineService: FanoutTimelineService,
) {
//this.onMessage = this.onMessage.bind(this);
this.rolesCache = new MemorySingleCache<MiRole[]>(1000 * 60 * 60 * 1);
this.roleAssignmentByUserIdCache = new MemoryKVCache<MiRoleAssignment[]>(1000 * 60 * 60 * 1);
this.rolesCache = new MemorySingleCache<MiRole[]>(1000 * 60 * 60); // 1h
this.roleAssignmentByUserIdCache = new MemoryKVCache<MiRoleAssignment[]>(1000 * 60 * 5); // 5m
this.redisForSub.on('message', this.onMessage);
}

2
packages/backend/src/core/UserKeypairService.ts
View file

@ -25,7 +25,7 @@ export class UserKeypairService implements OnApplicationShutdown {
) {
this.cache = new RedisKVCache<MiUserKeypair>(this.redisClient, 'userKeypair', {
lifetime: 1000 * 60 * 60 * 24, // 24h
memoryCacheLifetime: Infinity,
memoryCacheLifetime: 1000 * 60 * 60, // 1h
fetcher: (key) => this.userKeypairsRepository.findOneByOrFail({ userId: key }),
toRedisConverter: (value) => JSON.stringify(value),
fromRedisConverter: (value) => JSON.parse(value),

4
packages/backend/src/core/activitypub/ApDbResolverService.ts
View file

@ -54,8 +54,8 @@ export class ApDbResolverService implements OnApplicationShutdown {
private cacheService: CacheService,
private apPersonService: ApPersonService,
) {
this.publicKeyCache = new MemoryKVCache<MiUserPublickey | null>(Infinity);
this.publicKeyByUserIdCache = new MemoryKVCache<MiUserPublickey | null>(Infinity);
this.publicKeyCache = new MemoryKVCache<MiUserPublickey | null>(1000 * 60 * 60 * 12); // 12h
this.publicKeyByUserIdCache = new MemoryKVCache<MiUserPublickey | null>(1000 * 60 * 60 * 12); // 12h
}
@bindThis