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From "Zhihong Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6312) Make BlockCache eviction thresholds configurable
Date Thu, 05 Jul 2012 23:38:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13407603#comment-13407603
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Zhihong Ted Yu commented on HBASE-6312:
---------------------------------------

bq. and block if cache size > hfile.block.cache.size * (1 + acceptable factor)
The default value for acceptable factor would have to change, right ?
                
> Make BlockCache eviction thresholds configurable
> ------------------------------------------------
>
>                 Key: HBASE-6312
>                 URL: https://issues.apache.org/jira/browse/HBASE-6312
>             Project: HBase
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.94.0
>            Reporter: Jie Huang
>            Priority: Minor
>         Attachments: hbase-6312.patch
>
>
> Some of our customers found that tuning the BlockCache eviction thresholds made test
results different in their test environment. However, those thresholds are not configurable
in the current implementation. The only way to change those values is to re-compile the HBase
source code. We wonder if it is possible to make them configurable.

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