Vaibhav Gumashta created HIVE-5229:
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Summary: Better thread management for HiveServer2 async threads
Key: HIVE-5229
URL: https://issues.apache.org/jira/browse/HIVE-5229
Project: Hive
Issue Type: Improvement
Components: HiveServer2
Reporter: Vaibhav Gumashta
Assignee: Vaibhav Gumashta
[HIVE-4617|https://issues.apache.org/jira/browse/HIVE-4617] provides support
for async execution in HS2. The async (background) thread pool currently
creates N threads (server config), which are alive all the time. If all the
threads in the pool are busy, a new request is added to a blocking queue.
However, we can improve the strategy by not having all the async (background)
threads alive when there are no corresponding requests. The async threads
should die after a certain timeout if there are no new requests to handle.
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