[jira] Updated: (HBASE-2388) Give a very explicit message when we figure a big GC pause

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

     [ https://issues.apache.org/jira/browse/HBASE-2388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-2388:
-------------------------

    Fix Version/s: 0.20.5
                       (was: 0.20.4)

> Give a very explicit message when we figure a big GC pause
> ----------------------------------------------------------
>
>                 Key: HBASE-2388
>                 URL: https://issues.apache.org/jira/browse/HBASE-2388
>             Project: Hadoop HBase
>          Issue Type: Improvement
>    Affects Versions: 0.20.3
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.20.5, 0.21.0
>
>         Attachments: HBASE-2388.patch
>
>
> Our new users get confused when they see their region servers disappearing. If they are proactive enough, they even show us with some messages like:
> {code}
> 2010-03-28 20:24:27,439 WARN org.apache.hadoop.hbase.util.Sleeper: We slept
> 79410ms, ten times longer than scheduled: 5000
> 2010-03-28 20:24:27,439 WARN org.apache.hadoop.hbase.util.Sleeper: We slept
> 78781ms, ten times longer than scheduled: 3000
> {code}
> For us it's very obvious what just happened, for our users not at all. I think we could easily just create a very comprehensive entry about this issue in the troubleshooting page and put a link directly into the error message.

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