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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2981) Improve consistency of performance during heavy load
Date Fri, 10 Sep 2010 17:26:34 GMT
Improve consistency of performance during heavy load
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                 Key: HBASE-2981
                 URL: https://issues.apache.org/jira/browse/HBASE-2981
             Project: HBase
          Issue Type: Task
          Components: regionserver
            Reporter: Todd Lipcon


Currently when running load tests like YCSB, we experience periods of complete cluster inactivity
while all clients are blocked on a single region which is unavailable.

As discussed recently on the list, we should brainstorm some ideas for how to improve the
situation: the goal here is to (a) minimize the amount of time when a region is inaccessible,
and (b) minimize the impact that one inaccessible region has on other operations in the cluster.

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