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From "Dinesh Chitlangia (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-16656) Document FairCallQueue configs in core-default.xml
Date Tue, 22 Oct 2019 23:42:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16957431#comment-16957431
] 

Dinesh Chitlangia commented on HADOOP-16656:
--------------------------------------------

[~smeng] Thank you for working on this very useful change. 
For implementing {{ipc.[portnumber].callqueue.impl}}, I believe one must configure NN Service
RPC Port and this {{[portnumber]}} should be different from the NN Service RPC Port and Datanode
Lifeline Port. 

I think we must include this cautionary detail in this doc.

> Document FairCallQueue configs in core-default.xml
> --------------------------------------------------
>
>                 Key: HADOOP-16656
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16656
>             Project: Hadoop Common
>          Issue Type: Task
>            Reporter: Siyao Meng
>            Assignee: Siyao Meng
>            Priority: Major
>         Attachments: HADOOP-16656.001.patch
>
>
> So far those callqueue / scheduler / faircallqueue -related configurations are only documented
in FairCallQueue.md in 3.3.0:
> https://aajisaka.github.io/hadoop-document/hadoop-project/hadoop-project-dist/hadoop-common/FairCallQueue.html#Full_List_of_Configurations
> (Thanks Akira for uploading this.)
> Goal: Document those configs in core-default.xml as well to make it easier for users(admins)
to find and use.



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