perf: ⚡️ time startup dependencies

Author: SirTenzin

server/src/db/initDrizzle.ts

@@ -39,20 +39,26 @@ export const initDrizzle = ({
 };
 
 // -- Critical pool: used by check, track, getOrCreateCustomer --
+console.time("db:pool-critical");
 export const { db: dbCritical, client: clientCritical } = initDrizzle({
 	// connectTimeout: 10,
 });
+console.timeEnd("db:pool-critical");
 
 // -- General pool: used by all other endpoints --
+console.time("db:pool-general");
 export const { db: dbGeneral, client: clientGeneral } = initDrizzle({
 	// connectTimeout: 5,
 });
+console.timeEnd("db:pool-general");
 
 // -- Replica pool: used as fallback when primary is degraded --
 // Only created if DATABASE_REPLICA_URL is configured.
+console.time("db:pool-replica");
 const replicaResult = process.env.DATABASE_REPLICA_URL
 	? initDrizzle({ replica: true, maxConnections: 5, connectTimeout: undefined })
 	: null;
+console.timeEnd("db:pool-replica");
 export const dbReplica = replicaResult?.db ?? null;
 export const clientReplica = replicaResult?.client ?? null;
 

server/src/db/pgHealthMonitor.ts

@@ -49,8 +49,10 @@ export const initPgHealthMonitor = ({
 }: {
 	client: postgres.Sql;
 }): void => {
+	console.time("db:health-monitor-init");
 	probeClient = client;
 	logger.info("[PgHealthMonitor] Initialized", { type: "pg_health_init" });
+	console.timeEnd("db:health-monitor-init");
 };
 
 /**

server/src/external/redis/initRedis.ts

@@ -92,22 +92,26 @@ const waitForRedisReady = (
 
 /** Pre-warm all regional Redis connections. Call on startup before processing requests. */
 export const warmupRegionalRedis = async (): Promise<void> => {
+	console.time("redis:warmup-total");
 	const regions = getConfiguredRegions();
 	console.log(
 		`[Redis] Warming up connections for ${regions.length} regions...`,
 	);
 
 	const warmupPromises = regions.map(async (region) => {
+		console.time(`redis:warmup-${region}`);
 		try {
 			const instance = getRegionalRedis(region);
 			await waitForRedisReady(instance, region);
 		} catch (error) {
 			console.error(`[Redis] ${region}: warmup failed -`, error);
 			// Don't throw - allow startup to continue even if one region fails
 		}
+		console.timeEnd(`redis:warmup-${region}`);
 	});
 
 	await Promise.all(warmupPromises);
+	console.timeEnd("redis:warmup-total");
 	console.log(`[Redis] Warmup complete`);
 };
 

server/src/init.ts

@@ -20,41 +20,57 @@ import { startMemoryMonitor } from "./utils/memoryMonitor.js";
 checkEnvVars();
 
 const init = async () => {
+	console.time("init:create-hono-app");
 	const app = createHonoApp();
+	console.timeEnd("init:create-hono-app");
 
+	console.time("init:pg-health-monitor");
 	initPgHealthMonitor({ client: clientCritical });
+	console.timeEnd("init:pg-health-monitor");
+
+	console.time("init:redis-warmup");
 	await Promise.all([warmupRegionalRedis()]);
+	console.timeEnd("init:redis-warmup");
 
 	const PORT = process.env.SERVER_PORT
 		? Number.parseInt(process.env.SERVER_PORT)
 		: 8080;
 
+	console.time("init:setup-server");
 	const requestListener = getRequestListener(app.fetch);
 	const server = http.createServer(requestListener);
 
 	server.keepAliveTimeout = 120000;
 	server.headersTimeout = 120000;
+	console.timeEnd("init:setup-server");
 
+	console.time("init:server-listen");
 	server.listen(PORT, "0.0.0.0", () => {
+		console.timeEnd("init:server-listen");
 		console.log(`Server running on port ${PORT}`);
 		startMemoryMonitor("server", 60_000);
 	});
 };
 
 if (process.env.NODE_ENV === "development") {
+	console.time("init:dev-total");
 	init();
 	registerShutdownHandlers();
+	console.timeEnd("init:dev-total");
 } else {
 	const numCPUs = os.cpus().length;
 
 	if (cluster.isPrimary) {
+		console.time("init:master-start");
 		console.log(`Master ${process.pid} is running`);
 		console.log("Number of CPUs", numCPUs);
 
 		const numWorkers = 3;
 
 		for (let i = 0; i < numWorkers; i++) {
+			console.time(`init:worker-fork-${i}`);
 			cluster.fork();
+			console.timeEnd(`init:worker-fork-${i}`);
 		}
 
 		cluster.on("exit", (worker, _code, _signal) => {
@@ -63,9 +79,12 @@ if (process.env.NODE_ENV === "development") {
 		});
 
 		registerShutdownHandlers();
+		console.timeEnd("init:master-start");
 	} else {
+		console.time(`init:worker-${process.pid}-total`);
 		init();
 		registerShutdownHandlers();
+		console.timeEnd(`init:worker-${process.pid}-total`);
 	}
 }