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From "Amitanand Aiyer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6629) [0.89-fb] Fast fail client operations if the regionserver is repeatedly unreachable.
Date Tue, 21 Aug 2012 21:56:38 GMT
Amitanand Aiyer created HBASE-6629:
--------------------------------------

             Summary: [0.89-fb] Fast fail client operations if the regionserver is repeatedly
unreachable.
                 Key: HBASE-6629
                 URL: https://issues.apache.org/jira/browse/HBASE-6629
             Project: HBase
          Issue Type: Bug
            Reporter: Amitanand Aiyer
            Priority: Minor


We have seen occassional RSW reboots in the production cluster. 

On the client end, the reduction in the operation throughput is a lot more than the %-age
of nodes disconnected. This is because operations to the disconnected machines are holding
up resources that could otherwise be used for successful operation.

This change enables the client to detect when there are repeated failures to a regionserver,
and fast fail operations so we do not hold up resources.

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