Reduce overhead of RedisClusterNode.forEachSlot #2058

be-hase · web-flow · commit 7a6b3ebae868 · 2022-07-01T13:48:11.000+02:00
diff --git a/src/main/java/io/lettuce/core/cluster/models/partitions/RedisClusterNode.java b/src/main/java/io/lettuce/core/cluster/models/partitions/RedisClusterNode.java
@@ -300,7 +300,8 @@ public void forEachSlot(IntConsumer consumer) {
             return;
         }
 
-        for (int i = 0; i < this.slots.length(); i++) {
+        int length = this.slots.length();
+        for (int i = 0; i < length; i++) {
 
             if (this.slots.get(i)) {
                 consumer.accept(i);

Original file line number	Diff line number	Diff line change
`@@ -300,7 +300,8 @@ public void forEachSlot(IntConsumer consumer) {`
`300`	`300`	`return;`
`301`	`301`	`}`
`302`	`302`
`303`		`- for (int i = 0; i < this.slots.length(); i++) {`
	`303`	`+ int length = this.slots.length();`
	`304`	`+ for (int i = 0; i < length; i++) {`
`304`	`305`
`305`	`306`	`if (this.slots.get(i)) {`
`306`	`307`	`consumer.accept(i);`