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Date: Mon, 22 May 2017 12:44:05 +0000 (UTC)
From: "Brahma Reddy Battula (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13073798.1495445208000.262482.1495457045333@Atlassian.JIRA>
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Subject: [jira] [Commented] (HDFS-11863) Document missing metrics for blocks
 count in pending IBR
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archived-at: Mon, 22 May 2017 12:44:11 -0000


    [ https://issues.apache.org/jira/browse/HDFS-11863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16019535#comment-16019535 ] 

Brahma Reddy Battula commented on HDFS-11863:
---------------------------------------------

[~linyiqun] thanks for reporting the issue.
i) can we update before EC metrics ({{EcReconstructionBytesRead}}) like code..? 
ii) there are some more metrics are missed, may we can raise followup jira's for those ..? like {{RamDisk..}}


> Document missing metrics for blocks count in pending IBR
> --------------------------------------------------------
>
>                 Key: HDFS-11863
>                 URL: https://issues.apache.org/jira/browse/HDFS-11863
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>            Priority: Minor
>         Attachments: HDFS-11863.001.patch
>
>
> HDFS-11534 introduced some useful metrics for blocks count in pending IBR.
> {noformat}
>   @Metric("Count of blocks in pending IBR")
>   private MutableGaugeLong blocksInPendingIBR;
>   @Metric("Count of blocks at receiving status in pending IBR")
>   private MutableGaugeLong blocksReceivingInPendingIBR;
>   @Metric("Count of blocks at received status in pending IBR")
>   private MutableGaugeLong blocksReceivedInPendingIBR;
> {noformat}
> It will be nice to have in the metrics documentation.


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