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From "Vaibhav Gumashta (JIRA)" <>
Subject [jira] [Updated] (HIVE-5229) Better thread management for HiveServer2 async threads
Date Tue, 18 Feb 2014 10:38:25 GMT


Vaibhav Gumashta updated HIVE-5229:

    Issue Type: Sub-task  (was: Improvement)
        Parent: HIVE-4617

> Better thread management for HiveServer2 async threads
> ------------------------------------------------------
>                 Key: HIVE-5229
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 0.12.0, 0.13.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Vaibhav Gumashta
>             Fix For: 0.13.0
>         Attachments: HIVE-5229.1.patch, HIVE-5229.2.patch, HIVE-5229.3.patch, HIVE-5229.4.patch,
> [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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