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https://issues.apache.org/jira/browse/HDFS-10789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569954#comment-15569954
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Kihwal Lee commented on HDFS-10789:
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I remember we had to fix one bug after this feature. Filed HDFS-11000.
> 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
> Fix For: 2.8.0, 3.0.0-alpha2
>
> Attachments: HDFS-10789-1.patch, HDFS-10789-2.patch,
> HDFS-10789-3.patch, HDFS-10789-4.patch, HDFS-10789-5.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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