Github user sohami commented on a diff in the pull request: https://github.com/apache/drill/pull/1227#discussion_r183145138 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/join/HashJoinBatch.java --- @@ -157,14 +172,20 @@ public int metricId() { } } + public class HashJoinMemoryManager extends JoinBatchMemoryManager { --- End diff -- Not required you can directly use `JoinBatchMemoryManager`.
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