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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15386) PREFETCH_BLOCKS_ON_OPEN in HColumnDescriptor is ignored
Date Wed, 20 Apr 2016 16:48:25 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-15386:
--------------------------
    Attachment: 15386.branch-1.patch
                15386.branch-1.2.patch
                15386.patch

Patch for master just adds test to prove this actually works, changes logging so it is easier
to find prefetch in action and then adds a section to the prefetch doc on how to find prefetch
in action.

The patches for branch-1 do not include the doc change.

The patch for branch-1.2 is just the logging changes so easy to find prefetch (hope you don't
mind [~busbey])

> PREFETCH_BLOCKS_ON_OPEN in HColumnDescriptor is ignored
> -------------------------------------------------------
>
>                 Key: HBASE-15386
>                 URL: https://issues.apache.org/jira/browse/HBASE-15386
>             Project: HBase
>          Issue Type: Sub-task
>          Components: BucketCache
>            Reporter: stack
>            Assignee: stack
>         Attachments: 15386.branch-1.2.patch, 15386.branch-1.2.patch, 15386.branch-1.patch,
15386.patch
>
>
> We use the global flag hbase.rs.prefetchblocksonopen only and ignore the HCD setting.
> Purge from HCD or hook it up again (it probably worked once).
> Thanks to Daniel Pol for finding this one. Let me fix.



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