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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10789) Route webhdfs through the RPC call queue
Date Mon, 03 Oct 2016 20:01:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15543257#comment-15543257

Zhe Zhang commented on HDFS-10789:

Thanks much for working on this [~daryn] [~kihwal] and [~shahrs87].

One feature we want is for WebHDFS calls to be restricted under the RPC ACLs (e.g. revoking
a certain user's permission to issue certain WebHDFS calls). I haven't look into much detail
of the patch. Any quick answer on this? Thanks!

> Route webhdfs through the RPC call queue
> ----------------------------------------
>                 Key: HDFS-10789
>                 URL: https://issues.apache.org/jira/browse/HDFS-10789
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ipc, webhdfs
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HDFS-10789-1.patch, HDFS-10789.patch
> Webhdfs is extremely expensive under load and is not subject to the QoS benefits of the
RPC call queue.  HADOOP-13537 provides the basis for routing webhdfs through the call queue
to provide unified QoS.

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