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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13347) RBF: Cache datanode reports
Date Wed, 28 Mar 2018 02:54:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416731#comment-16416731
] 

Yiqun Lin commented on HDFS-13347:
----------------------------------

LGTM, +1. I'd like to help commit this, :).

> RBF: Cache datanode reports
> ---------------------------
>
>                 Key: HDFS-13347
>                 URL: https://issues.apache.org/jira/browse/HDFS-13347
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>            Priority: Minor
>         Attachments: HDFS-13347.000.patch, HDFS-13347.001.patch, HDFS-13347.002.patch,
HDFS-13347.003.patch, HDFS-13347.004.patch, HDFS-13347.005.patch, HDFS-13347.006.patch
>
>
> Getting the datanode reports is an expensive operation and can be executed very frequently
by the UI and watchdogs. We should cache this information.



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