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From "Aravindan Vijayan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15063) Metrics monitor fails on restart
Date Tue, 16 Feb 2016 21:26:18 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aravindan Vijayan updated AMBARI-15063:
---------------------------------------
    Attachment: AMBARI-15063.patch

> Metrics monitor fails on restart
> --------------------------------
>
>                 Key: AMBARI-15063
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15063
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>    Affects Versions: 2.2.1
>            Reporter: Aravindan Vijayan
>            Assignee: Aravindan Vijayan
>            Priority: Critical
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15063.patch
>
>
> PROBLEM
> Metrics Monitor failed to START at install on 1 host. Restart also never worked.
> BUG
> Ambari metrics monitor startup script had a stale pid file with value as 327, and it
used "ps ax -o pid | grep <pid>" to check if the process is running. This returned true
since there was a process with process Id = 3327. Hence, the script always assumed that the
metric monitor process was already running.
> FIX
> Change to use grep exact match (grep -w) while checking for process with process ID.



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