sch-UID2-6632 updated defaultWorkerPoolSize to vCPU count (#2431)

* updated defaultWorkerPoolSize to vCPU count

* [CI Pipeline] Released Snapshot version: 5.67.13-alpha-693-SNAPSHOT

* clean up

---------

Co-authored-by: Release Workflow <unifiedid-admin+release@thetradedesk.com>

Author: sophia-chen-ttd

src/main/java/com/uid2/operator/Main.java

@@ -503,7 +503,7 @@ private static Vertx createVertx() {
             ? 60 * 1000
             : 3600 * 1000;
 
-        final int defaultWorkerPoolSize = Math.max(2, (Runtime.getRuntime().availableProcessors() - 2) / 2 + 1);
+        final int defaultWorkerPoolSize = Math.max(2, Runtime.getRuntime().availableProcessors());
         final int workerPoolSize = getEnvInt(Const.Config.DefaultWorkerPoolThreadCountProp, defaultWorkerPoolSize);
         LOGGER.info("Creating Vertx with default worker pool size: {}", workerPoolSize);