Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/5064#discussion_r156324988 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/operators/hash/HashTablePerformanceComparison.java --- @@ -54,7 +55,12 @@ private final TypePairComparator<IntPair, IntPair> pairComparator = new IntPairPairComparator(); - private IOManager ioManager = new IOManagerAsync(); + private static final IOManager ioManager = new IOManagerAsync(); --- End diff -- this one is only used in a single test, don't think we need it as a field
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