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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11520) Simplify offheap cache config by removing the confusing "hbase.bucketcache.percentage.in.combinedcache"
Date Wed, 16 Jul 2014 08:45:06 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14063290#comment-14063290
] 

Hudson commented on HBASE-11520:
--------------------------------

FAILURE: Integrated in HBase-1.0 #47 (See [https://builds.apache.org/job/HBase-1.0/47/])
HBASE-11520 Simplify offheap cache config by removing the confusing "hbase.bucketcache.percentage.in.combinedcache"
(stack: rev 14b331ccab8ef18b00ff7b4cf9127e22c74c4bca)
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java
* src/main/docbkx/book.xml
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/package-info.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java


> Simplify offheap cache config by removing the confusing "hbase.bucketcache.percentage.in.combinedcache"
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11520
>                 URL: https://issues.apache.org/jira/browse/HBASE-11520
>             Project: HBase
>          Issue Type: Sub-task
>          Components: io
>    Affects Versions: 0.99.0
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.99.0, 2.0.0
>
>         Attachments: 11520.txt, 11520v2.txt, 11520v3.txt, 11520v3.txt
>
>
> Remove "hbase.bucketcache.percentage.in.combinedcache".  It is unnecessary complication
of block cache config.  Let L1 config setup be as it is whether a L2 present or not, just
set hfile.block.cache.size (not hbase.bucketcache.size * (1.0 - hbase.bucketcache.percentage.in.combinedcache)).
 For L2, let hbase.bucketcache.size be the actual size of the bucket cache, not hbase.bucketcache.size
* hbase.bucketcache.percentage.in.combinedcache.
> Attached patch removes the config. and updates docs.  Adds tests to confirm configs are
as expected whether a CombinedBlockCache deploy or a strict L1+L2 deploy.



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