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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12371) "BlockVerificationFailures" and "BlocksVerified" show up as 0 in Datanode JMX
Date Tue, 29 Aug 2017 15:30:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16145482#comment-16145482
] 

Kihwal Lee commented on HDFS-12371:
-----------------------------------

{{BlockPoolSliceScanner}} used to call {{incrBlocksVerified()}}.  HDFS-7430 reimplemented
it as {{VolumeScanner}} and probably missed it. [~cmccabe_impala_fa3f], can you take a look?

> "BlockVerificationFailures" and "BlocksVerified" show up as 0 in Datanode JMX
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-12371
>                 URL: https://issues.apache.org/jira/browse/HDFS-12371
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 2.7.1
>            Reporter: Sai Nukavarapu
>            Assignee: Hanisha Koneru
>
> "BlockVerificationFailures" and "BlocksVerified" show up as 0 in Datanode JMX
> Looking at the code, i see below description.
> {noformat}
> `BlockVerificationFailures` | Total number of verifications failures | 
> `BlocksVerified` | Total number of blocks verified | 
> {noformat}



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