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From "Zhong Deyin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7445) Hbase cluster is unavailable while the regionserver that Meta table deployed crashed
Date Fri, 28 Dec 2012 03:02:12 GMT
Zhong Deyin created HBASE-7445:
----------------------------------

             Summary: 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
             Fix For: 0.94.1


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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