Rajkumar Singh created HIVE-19860:
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Summary: HiveServer2 ObjectInspectorFactory memory leak with
cachedUnionStructObjectInspector
Key: HIVE-19860
URL: https://issues.apache.org/jira/browse/HIVE-19860
Project: Hive
Issue Type: Improvement
Components: HiveServer2
Affects Versions: 2.1.0
Environment: hiveserver2 Interactive with LLAP.
Reporter: Rajkumar Singh
hiveserver2 is start seeing the memory pressure once the
cachedUnionStructObjectInspector start going
[https://github.com/apache/hive/blob/master/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorFactory.java#L345]
I did not see any eviction policy for cachedUnionStructObjectInspector, so we
should implement some size or time-based eviction policy.
!Screen Shot 2018-06-11 at 1.52.50 PM.png!
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