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From "Vaibhav Gumashta (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10725) Better resource management in HiveServer2
Date Fri, 15 May 2015 20:23:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546124#comment-14546124
] 

Vaibhav Gumashta commented on HIVE-10725:
-----------------------------------------

Also recommend values for OS resources required by the HS2 user (#files, #procs); see how
others do it (e.g. Namenode).

> Better resource management in HiveServer2
> -----------------------------------------
>
>                 Key: HIVE-10725
>                 URL: https://issues.apache.org/jira/browse/HIVE-10725
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2, JDBC
>    Affects Versions: 1.3.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Vaibhav Gumashta
>
> We have various ways to control the number of queries that can be run on one HS2 instance
(max threads, thread pool queuing etc). We also have ways to run multiple HS2 instances using
dynamic service discovery. We should do a better job at:
> 1. Monitoring resource utilization (sessions, ophandles, memory, threads etc).
> 2. Being upfront to the client when we cannot accept new queries.
> 3. Throttle among different server instances in case dynamic service discovery is used.
> 4. Consolidate existing ways to control #queries into a simpler model.



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