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Review request for hive, Jitendra Pandey and Eric Hanson. Description ------- Implement the flush under memory pressure, modeled much after the GroupByOperator implementation. This addresses bug HIVE-4606. https://issues.apache.org/jira/browse/HIVE-4606 Diffs ----- ql/src/java/org/apache/hadoop/hive/ql/exec/vector/JavaObjectSizeUtil.java PRE-CREATION ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorAggregationBufferBatch.java 030a73c ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorGroupByOperator.java 4634731 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorHashKeyWrapper.java 01dd7be ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorHashKeyWrapperBatch.java 5e547c7 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/VectorAggregateExpression.java 8ab9f43 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/VectorUDAFCount.java bb4800e ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/VectorUDAFCountStar.java 607e3ad ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFAvgDouble.java 432b12e ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFAvgLong.java b282aeb ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFMaxDouble.java bc7f852 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFMaxLong.java 6ba416e ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFMaxString.java c5e92b6 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFMinDouble.java d982fc2 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFMinLong.java a8f5531 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFMinString.java ca1b840 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFStdPopDouble.java 4d408b3 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFStdPopLong.java 7e16a1c ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFStdSampDouble.java 00cd04d ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFStdSampLong.java ea4d894 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFSumDouble.java e609a19 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFSumLong.java f120db9 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFVarPopDouble.java 0ac7677 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFVarPopLong.java 37cfda6 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFVarSampDouble.java c016160 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/gen/VectorUDAFVarSampLong.java 8aa9621 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/templates/VectorUDAFAvg.txt 1295cfd ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/templates/VectorUDAFCount.txt 69ff67b ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/templates/VectorUDAFMinMax.txt d00d9ae ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/templates/VectorUDAFMinMaxString.txt 96ce80c ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/templates/VectorUDAFSum.txt c4e6a19 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/templates/VectorUDAFVar.txt 9c8ad94 ql/src/test/org/apache/hadoop/hive/ql/exec/vector/TestVectorGroupByOperator.java 0050ebc Diff: https://reviews.apache.org/r/11747/diff/ Testing ------- Thanks, Remus Rusanu