[jira] [Updated] (HBASE-11841) [0.98] Option for disabling location prefetch

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-11841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-11841:
-----------------------------------

    Status: Patch Available  (was: Open)

Setting patch available. Expect Jenkins to barf attempting to apply the patch to trunk

> [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
>
>         Attachments: HBASE-11841-0.98.patch
>
>
> 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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