Mustafa Iman created HIVE-23746:
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Summary: Send task attempts async from AM to daemons
Key: HIVE-23746
URL: https://issues.apache.org/jira/browse/HIVE-23746
Project: Hive
Issue Type: Sub-task
Components: llap
Reporter: Mustafa Iman
Assignee: Mustafa Iman
LlapTaskCommunicator uses sync client to send task attempts. There are fixed
number of communication threads (10 by default). This causes unneccessary
delays when there are enough free execution slots in daemons but they do not
receive all the tasks because of this bottleneck. LlapTaskCommunicator can use
an async client to pass these tasks to daemons.
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