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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 16:52:25 GMT

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

stack updated HBASE-15386:
       Resolution: Fixed
    Fix Version/s: 1.2.2
     Release Note: 
This was a non-issue. The PREFETCH_... flag actually works. While here though made the following

Changes the prefetch TRACE-level loggings to include the word 'Prefetch' in them so you know
what they are about.

Changes the cryptic logging of the CacheConfig#toString to have some preamble saying why and
what column family is responsible (helps figure what is going on)

Add test that verifies setting flag on HColumnDescriptor actually works.
           Status: Resolved  (was: Patch Available)

> 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
>             Fix For: 2.0.0, 1.3.0, 1.4.0, 1.2.2
>         Attachments: 15386.branch-1.2.patch, 15386.branch-1.2.patch, 15386.branch-1.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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