[jira] [Resolved] (HBASE-7445) Hbase cluster is unavailable while the regionserver that Meta table deployed crashed

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-7445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell resolved HBASE-7445.
----------------------------------------
    Resolution: Incomplete

> Hbase cluster is unavailable while the regionserver that Meta table deployed crashed
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-7445
>                 URL: https://issues.apache.org/jira/browse/HBASE-7445
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment, regionserver
>    Affects Versions: 0.94.1
>         Environment: Hadoop 0.20.2-cdh3u3
> Hbase 0.94.1
>            Reporter: Zhong Deyin
>            Priority: Major
>              Labels: patch
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> while the regionserver that META table deployed crashed, the .META. table can't migrate to other available regionservers. Then the region spliting, can't find META table, cause the whole cluster is unavailable.
> Code path: org.apache.hadoop.hbase.master.handler.ServerShutdownHandler
> {code}
>       // Carrying meta
>       if (isCarryingMeta()) {
>         LOG.info("Server " + serverName + " was carrying META. Trying to assign.");
>         this.services.getAssignmentManager().
>           regionOffline(HRegionInfo.FIRST_META_REGIONINFO);
>         this.services.getAssignmentManager().assignMeta();
>       }
> {code}



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