[GitHub] [carbondata] kevinjmh commented on a change in pull request #3804: [CARBONDATA-3871] Optimize performance when getting row from heap

[GitBox]

kevinjmh commented on a change in pull request #3804:
URL: https://github.com/apache/carbondata/pull/3804#discussion_r446854580



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File path: 
processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/merger/UnsafeInMemoryIntermediateDataMerger.java
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@@ -141,25 +140,26 @@ private UnsafeCarbonRowForMerge 
getSortedRecordFromMemory() {
     // be based on comparator we are passing the heap
     // when will call poll it will always delete root of the tree and then
     // it does trickel down operation complexity is log(n)
-    UnsafeInmemoryMergeHolder poll = this.recordHolderHeap.poll();
+    UnsafeInmemoryMergeHolder poll = this.recordHolderHeap.peek();
 
     // get the row from chunk
     row = poll.getRow();
 
     // check if there no entry present
     if (!poll.hasNext()) {
+      this.recordHolderHeap.poll();

Review comment:
       ok




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