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feat: add caching debug logs and configurable max concurrent requests for Komga API to enhance performance monitoring

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Julien Froidefond
2025-10-18 09:08:41 +02:00
parent ae4b766085
commit b7704207ec
42 changed files with 1141 additions and 1302 deletions
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43
src/lib/services/server-cache.service.ts
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@@ -1,7 +1,6 @@
import fs from "fs";
import path from "path";
import { PreferencesService } from "./preferences.service";
import { DebugService } from "./debug.service";
import { getCurrentUser } from "../auth-utils";
export type CacheMode = "file" | "memory";
@@ -440,14 +439,13 @@ class ServerCacheService {
const { data, isStale } = cachedResult;
const endTime = performance.now();
// Log la requête avec l'indication du cache
await DebugService.logRequest({
url: `[CACHE${isStale ? '-STALE' : ''}] ${key}`,
startTime,
endTime,
fromCache: true,
cacheType: type,
});
// Debug logging
if (process.env.CACHE_DEBUG === 'true') {
const icon = isStale ? '⚠️' : '✅';
const status = isStale ? 'STALE' : 'HIT';
// eslint-disable-next-line no-console
console.log(`${icon} [CACHE ${status}] ${key} | ${type} | ${(endTime - startTime).toFixed(2)}ms`);
}
// Si le cache est expiré, revalider en background sans bloquer la réponse
if (isStale) {
@@ -459,9 +457,21 @@ class ServerCacheService {
}
// Pas de cache du tout, fetch normalement
if (process.env.CACHE_DEBUG === 'true') {
// eslint-disable-next-line no-console
console.log(`❌ [CACHE MISS] ${key} | ${type}`);
}
try {
const data = await fetcher();
this.set(cacheKey, data, type);
const endTime = performance.now();
if (process.env.CACHE_DEBUG === 'true') {
// eslint-disable-next-line no-console
console.log(`💾 [CACHE SET] ${key} | ${type} | ${(endTime - startTime).toFixed(2)}ms`);
}
return data;
} catch (error) {
throw error;
@@ -482,16 +492,13 @@ class ServerCacheService {
const data = await fetcher();
this.set(cacheKey, data, type);
const endTime = performance.now();
await DebugService.logRequest({
url: `[REVALIDATE] ${debugKey}`,
startTime,
endTime,
fromCache: false,
cacheType: type,
});
if (process.env.CACHE_DEBUG === 'true') {
const endTime = performance.now();
// eslint-disable-next-line no-console
console.log(`🔄 [CACHE REVALIDATE] ${debugKey} | ${type} | ${(endTime - startTime).toFixed(2)}ms`);
}
} catch (error) {
console.error(`Background revalidation failed for ${debugKey}:`, error);
console.error(`🔴 [CACHE REVALIDATE ERROR] ${debugKey}:`, error);
// Ne pas relancer l'erreur car c'est en background
}
}