[jira] [Updated] (HBASE-13988) Add exception handler for lease thread

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

     [ https://issues.apache.org/jira/browse/HBASE-13988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liu Shaohui updated HBASE-13988:
--------------------------------
    Attachment: HBASE-13988-v002.diff

Remove out-of-date comments about lease thread

> Add exception handler for lease thread
> --------------------------------------
>
>                 Key: HBASE-13988
>                 URL: https://issues.apache.org/jira/browse/HBASE-13988
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>             Fix For: 2.0.0, 1.0.2, 1.1.2, 0.98.15
>
>         Attachments: HBASE-13988-v001.diff, HBASE-13988-v002.diff
>
>
> In a prod cluster, a region server exited for some important 
> threads were not alive. After excluding other threads from the log, we doubted the lease thread was the root. 
> So we need to add an exception handler to the lease thread to debug why it exited in future.
>  
> {quote}
> 2015-06-29,12:46:09,222 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: One or more threads are no longer alive -- stop
> 2015-06-29,12:46:09,223 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 21600
> ...
> 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.LogRoller: LogRoller exiting.
> 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Thread-37 exiting
> 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.HRegionServer$CompactionChecker: regionserver21600.compactionChecker exiting
> 2015-06-29,12:46:12,403 INFO org.apache.hadoop.hbase.regionserver.HRegionServer$PeriodicMemstoreFlusher: regionserver21600.periodicFlusher exiting
> {quote}



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