Rajesh Balamohan created HIVE-24695:
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Summary: Clean up session resources, if TezSession is unable to
start
Key: HIVE-24695
URL: https://issues.apache.org/jira/browse/HIVE-24695
Project: Hive
Issue Type: Improvement
Reporter: Rajesh Balamohan
There are cases when TezSessionState would not be able to start. (e.g resource
constraints on YARN queues).
However by this time, session directories & certain resources are localized.
(e.g, hive-exec jars are stored in
hdfs:///tmp/hive/hive/_tez_session_dir/*/hive-exec*.jar). When tezClient is not
started, it does not clear up the resources. This leaks ~100MB data in HDFS per
failure.
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