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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16082) Allow user to change number of listener thread in LlapTaskCommunicator
Date Mon, 06 Mar 2017 00:26:32 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896624#comment-15896624
] 

Lefty Leverenz commented on HIVE-16082:
---------------------------------------

Doc note:  This adds *hive.llap.task.communicator.listener.thread-count* to HiveConf.java,
so it needs to be documented in the LLAP section of Configuration Properties.

* [Configuration Properties -- LLAP | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-LLAP]

Added a TODOC2.2 label.

> Allow user to change number of listener thread in LlapTaskCommunicator
> ----------------------------------------------------------------------
>
>                 Key: HIVE-16082
>                 URL: https://issues.apache.org/jira/browse/HIVE-16082
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Zhiyuan Yang
>            Assignee: Zhiyuan Yang
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-16082.1.patch, HIVE-16082.2.patch
>
>
> Now LlapTaskCommunicator always has same number of RPC listener thread with TezTaskCommunicatorImpl.
There are scenarios when we want them different: for example, in Llap only mode, we want less
TezTaskCommunicatorImpl's listener thread to reduce off-heap memory usage.



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