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https://issues.apache.org/jira/browse/HDFS-12371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16175175#comment-16175175
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Hanisha Koneru commented on HDFS-12371:
---------------------------------------

Thank you [~kihwal] for reviewing and committing the patch and [~srikanth1184] 
for reporting the issue.

> "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
>             Fix For: 2.9.0, 3.0.0-beta1, 2.8.3, 3.1.0
>
>         Attachments: HDFS-12371.001.patch, HDFS-12371.002.patch
>
>
> "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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