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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/06/06 02:52:06 UTC

[GitHub] [pulsar] Jason918 commented on a diff in pull request #15936: Support shrink for TripleLongPriorityQueue

Jason918 commented on code in PR #15936:
URL: https://github.com/apache/pulsar/pull/15936#discussion_r889788102


##########
pulsar-common/src/main/java/org/apache/pulsar/common/util/collections/TripleLongPriorityQueue.java:
##########
@@ -49,14 +62,21 @@ public TripleLongPriorityQueue() {
         this(DEFAULT_INITIAL_CAPACITY);
     }
 
+    public TripleLongPriorityQueue(int initialCapacity, float shrinkFactor) {
+        checkArgument(shrinkFactor > 0);
+        this.initialCapacity = initialCapacity;
+        this.capacity = initialCapacity;
+        this.buffer = PooledByteBufAllocator.DEFAULT.directBuffer(initialCapacity * ITEMS_COUNT * SIZE_OF_LONG);

Review Comment:
   `TUPLE_SIZE` can be used instead of `ITEMS_COUNT * SIZE_OF_LONG`



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