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Review request for hive, Gopal V and Jitendra Pandey. Bugs: HIVE-5692 https://issues.apache.org/jira/browse/HIVE-5692 Repository: hive-git Description ------- Fix HIVE-5692 make VectorGroupByOperator respond more aggressively to memory pressure and provide configuration knobs for the memory pressure parameters (checking interval, percent flushed). Diffs ----- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 3a8efcd conf/hive-default.xml.template 5da90ec ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorGroupByOperator.java 735122e ql/src/test/org/apache/hadoop/hive/ql/exec/vector/TestVectorGroupByOperator.java d1d2ea9 Diff: https://reviews.apache.org/r/15095/diff/ Testing ------- Added new unit test Thanks, Remus Rusanu