perf[executor]: specified map initial size

net/src/main/java/com/zfoo/net/task/TaskBus.java

@@ -43,7 +43,7 @@ public final class TaskBus {
 
     private static final Logger logger = LoggerFactory.getLogger(TaskBus.class);
 
-    // 线程池的大小
+    // 线程池的大小，也可以通过provider thread配置指定
     public static final int EXECUTOR_SIZE;
 
     private static final ITaskDispatch taskDispatch;
@@ -54,8 +54,6 @@ public final class TaskBus {
      */
     private static final ExecutorService[] executors;
 
-    private static final CopyOnWriteHashMapLongObject<ExecutorService> threadMap = new CopyOnWriteHashMapLongObject<>();
-
     static {
         var localConfig = NetContext.getConfigManager().getLocalConfig();
         var providerConfig = localConfig.getProvider();
@@ -74,6 +72,8 @@ public final class TaskBus {
         }
     }
 
+    private static final CopyOnWriteHashMapLongObject<ExecutorService> threadMap = new CopyOnWriteHashMapLongObject<>(EXECUTOR_SIZE);
+
     public static class TaskThreadFactory implements ThreadFactory {
         private final int poolNumber;
         private final AtomicInteger threadNumber = new AtomicInteger(1);