[jira] [Resolved] (AMBARI-5763) Nagios should send alert for NumberOfMissingBlocks instead of CorruptBlocks

["Vitaly Brodetskyi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-5763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vitaly Brodetskyi resolved AMBARI-5763.
---------------------------------------

    Resolution: Fixed

Committed to trunk

> Nagios should send alert for NumberOfMissingBlocks instead of CorruptBlocks
> ---------------------------------------------------------------------------
>
>                 Key: AMBARI-5763
>                 URL: https://issues.apache.org/jira/browse/AMBARI-5763
>             Project: Ambari
>          Issue Type: Bug
>          Components: agent
>            Reporter: Vitaly Brodetskyi
>            Assignee: Vitaly Brodetskyi
>             Fix For: 1.6.1
>
>         Attachments: AMBARI-5763.patch
>
>
> Nagios gets NN JMX metrics. When CorruptBlocks >0, it sends alert to the administrator. However, the corrupted replica is not a concern, only corrupt block should be a alert. Corrupt replica happens often in some environments and this alert misleads some customers to think the data is lost.
> The JMX metric "NumberOfMissingBlocks" is for corrupt block.
> We want to do the following changes for Nagios alerting:
> 1) checks NumberOfMissingBlocks and sends alert when it's not zero. (already doing this in current Ambari code??)
> 2) doesn't send alert for "CorruptBlocks" value change.



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