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From "Jie Huang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6312) Make BlockCache eviction thresholds configurable
Date Tue, 03 Jul 2012 06:15:03 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jie Huang updated HBASE-6312:
-----------------------------

    Attachment: hbase-6312.patch

Trivial modifications in the patch file.
1. Add two additional constructors in LruBlockCache to accept configuration
object.
2. To create the instance by reading conf object. If corresponding items are
missing, just use the default value.
                
> 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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