fix: 避免异常数据报文导致的预分配过大内存

yungyu16 · yungyu16 · commit bb0f06e9d9fe · 2025-11-12T18:19:54.000+08:00
diff --git a/sentinel-cluster/sentinel-cluster-server-default/src/main/java/com/alibaba/csp/sentinel/cluster/server/codec/data/ParamFlowRequestDataDecoder.java b/sentinel-cluster/sentinel-cluster-server-default/src/main/java/com/alibaba/csp/sentinel/cluster/server/codec/data/ParamFlowRequestDataDecoder.java
@@ -40,7 +40,7 @@ public ParamFlowRequestData decode(ByteBuf source) {
 
             int amount = source.readInt();
             if (amount > 0) {
-                List<Object> params = new ArrayList<>(amount);
+                List<Object> params = new ArrayList<>(16);
                 for (int i = 0; i < amount; i++) {
                     decodeParam(source, params);
                 }

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ public ParamFlowRequestData decode(ByteBuf source) {`
`40`	`40`
`41`	`41`	`int amount = source.readInt();`
`42`	`42`	`if (amount > 0) {`
`43`		`- List<Object> params = new ArrayList<>(amount);`
	`43`	`+ List<Object> params = new ArrayList<>(16);`
`44`	`44`	`for (int i = 0; i < amount; i++) {`
`45`	`45`	`decodeParam(source, params);`
`46`	`46`	`}`