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From "Jeffrey Zhong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-8617) Introducing a new config DISALLOW_WRITES_IN_RECOVERING to disable writes during recovering
Date Sat, 25 May 2013 00:28:20 GMT
Jeffrey Zhong created HBASE-8617:
------------------------------------

             Summary: Introducing a new config DISALLOW_WRITES_IN_RECOVERING to disable writes
during recovering 
                 Key: HBASE-8617
                 URL: https://issues.apache.org/jira/browse/HBASE-8617
             Project: HBase
          Issue Type: Improvement
          Components: regionserver
    Affects Versions: 0.98.0, 0.95.1
            Reporter: Jeffrey Zhong
            Assignee: Jeffrey Zhong


In distributedLogReplay(hbase-7006), we allow writes even when a region is in recovering.
It may cause undesired behavior when applications(or deployments) already are near its write
capacity because distributedLogReplay generates more write traffic to remaining region servers.

The new config "hbase.regionserver.disallow.writes.when.recovering" tries to address the above
situation so that recovering won't be affected by application normal write traffic.

The default value of this config is false(meaning allow writes in recovery)

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