Version 1.0.1.6 mysqlPool.js configuration is better, but can be better, check MySQL Workbench Connections
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@@ -1,5 +1,4 @@
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import mysql from "mysql2/promise";
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// Variablen für den Singleton-Pool
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let cachedPool;
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let connectionCount = 0; // Zähler für die aktiven Verbindungen
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@@ -13,28 +12,41 @@ function getPool() {
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password: process.env.DB_PASSWORD,
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database: process.env.DB_NAME,
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port: process.env.DB_PORT,
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connectionLimit: 10, // Setze ein Limit für gleichzeitige Verbindungen
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connectionLimit: 20, // Setze ein Limit für gleichzeitige Verbindungen
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waitForConnections: true,
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queueLimit: 0, // Unbegrenzte Warteschlange für Verbindungen
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queueLimit: 10, // Warteschlangenlimit für Verbindungen
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connectTimeout: 5000, // Timeout für Verbindungsversuche (5 Sekunden)
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acquireTimeout: 10000, // Timeout für Verbindungsanforderungen aus dem Pool (10 Sekunden)
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idleTimeout: 60000, // 1 Minute
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});
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// Ereignisse für das Protokollieren der Verbindungsstatistiken
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cachedPool.on("acquire", () => {
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connectionCount++;
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console.log("Connection acquired. Active connections: ", connectionCount);
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console.log(`[ACQUIRE] Active connections: ${connectionCount}`);
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});
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cachedPool.on("release", () => {
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connectionCount--;
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console.log("Connection released. Active connections: ", connectionCount);
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console.log(`[RELEASE] Active connections: ${connectionCount}`);
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});
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cachedPool.on("enqueue", () => {
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console.log("Waiting for available connection slot.");
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console.log(`[ENQUEUE] Waiting for available connection slot.`);
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});
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}
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return cachedPool;
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}
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// Optionale Funktion zum Schließen aller Verbindungen im Pool (manuell aufzurufen)
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export function closePool() {
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if (cachedPool) {
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cachedPool.end(() => {
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console.log("All pool connections closed.");
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});
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cachedPool = null; // Setze den Pool auf null, um sicherzustellen, dass er neu erstellt wird, falls benötigt.
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}
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}
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export default getPool;
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