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From "Vaibhav Gumashta (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-5229) Better thread management for HiveServer2 async threads
Date Thu, 05 Sep 2013 18:58:53 GMT
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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