set EXTENSION_LOADERS/EXTENSION_INSTANCE default size to 64 (#5812)

apache · Mar 10, 2020 · 9e2bb2d · 9e2bb2d
1 parent b7730b3
commit 9e2bb2d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java b/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java
@@ -87,9 +87,9 @@ public class ExtensionLoader<T> {
 
     private static final Pattern NAME_SEPARATOR = Pattern.compile("\\s*[,]+\\s*");
 
-    private static final ConcurrentMap<Class<?>, ExtensionLoader<?>> EXTENSION_LOADERS = new ConcurrentHashMap<>();
+    private static final ConcurrentMap<Class<?>, ExtensionLoader<?>> EXTENSION_LOADERS = new ConcurrentHashMap<>(64);
 
-    private static final ConcurrentMap<Class<?>, Object> EXTENSION_INSTANCES = new ConcurrentHashMap<>();
+    private static final ConcurrentMap<Class<?>, Object> EXTENSION_INSTANCES = new ConcurrentHashMap<>(64);
 
     private final Class<?> type;