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https://issues.apache.org/jira/browse/HBASE-21460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16689275#comment-16689275
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Hudson commented on HBASE-21460:
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Results for branch master
        [build #609 on 
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/609/]: (x) 
*{color:red}-1 overall{color}*
----
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> correct Document Configurable Bucket Sizes in bucketCache
> ---------------------------------------------------------
>
>                 Key: HBASE-21460
>                 URL: https://issues.apache.org/jira/browse/HBASE-21460
>             Project: HBase
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Yechao Chen
>            Assignee: Yechao Chen
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HBASE-21460.v1.patch, HBASE-21460.v2.patch
>
>
> we use the bucket cache(offheap),found the doc was error,
> the property bucket sizes shoul be "hbase.bucketcache.bucket.sizes"  instead 
> of "hfile.block.cache.sizes"
> CacheConfig.java
>  /**
>  * A comma-delimited array of values for use as bucket sizes.
>  */
>  public static final String BUCKET_CACHE_BUCKETS_KEY = 
> "hbase.bucketcache.bucket.sizes";
> the doc was:
> ----
>  
>  HBASE-10641 introduced the ability to configure multiple sizes for the 
> buckets of the BucketCache, in HBase 0.98 and newer. To configurable multiple 
> bucket sizes, configure the new property 
> {color:#ff0000}{{hfile.block.cache.sizes}}{color} (instead of{color:#ff0000} 
> {{hfile.block.cache.size}}{color}) to a comma-separated list of block sizes, 
> ordered from smallest to largest, with no spaces. The goal is to optimize the 
> bucket sizes based on your data access patterns. The following example 
> configures buckets of size 4096 and 8192.
>  <property> <name>{color:#ff0000}hfile.block.cache.sizes{color}</name> 
> <value>4096,8192</value> </property>



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