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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-11841) [0.98] Option for disabling location prefetch
Date Wed, 27 Aug 2014 19:55:59 GMT
Andrew Purtell created HBASE-11841:
--------------------------------------

             Summary: [0.98] Option for disabling location prefetch
                 Key: HBASE-11841
                 URL: https://issues.apache.org/jira/browse/HBASE-11841
             Project: HBase
          Issue Type: Improvement
            Reporter: Andrew Purtell
            Assignee: Andrew Purtell
            Priority: Minor
             Fix For: 0.98.7


On HBASE-10018 we removed location prefetch in versions > 0.98. That issue enumerates some
of the issues with location prefetch. It is already possible to disable location prefetch
on a per table basis via HTable#setRegionCachePrefetch(TableName tableName, boolean enable)
but we should have a site configuration option that disables prefetch globally without requiring
application code take some special action like setRegionCachePrefetch.



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