Prasanth Jayachandran created HIVE-15960:
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Summary: LLAP: Known app masters should be cleaned on queryComplete
Key: HIVE-15960
URL: https://issues.apache.org/jira/browse/HIVE-15960
Project: Hive
Issue Type: Bug
Components: llap
Affects Versions: 2.2.0
Reporter: Prasanth Jayachandran
AM gets removed from knownAppMasters map when the task count becomes 0. Task
count becomes 0 during fragment execution as unregisterTask happens when the
task is actually scheduled to run. This will make umbilical connection to AM
to be closed. Any new rejections or task kills will have to recreate the
connection. This can be improved by remove the AM info from knownAppMaster
after query completion.
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