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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15314) Allow more than one backing file in bucketcache
Date Fri, 24 Mar 2017 03:16:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939639#comment-15939639
] 

Anoop Sam John commented on HBASE-15314:
----------------------------------------

+1 to backport this to branch-1

> Allow more than one backing file in bucketcache
> -----------------------------------------------
>
>                 Key: HBASE-15314
>                 URL: https://issues.apache.org/jira/browse/HBASE-15314
>             Project: HBase
>          Issue Type: Sub-task
>          Components: BucketCache
>            Reporter: stack
>            Assignee: chunhui shen
>             Fix For: 2.0
>
>         Attachments: FileIOEngine.java, HBASE-15314.master.001.patch, HBASE-15314.master.001.patch,
HBASE-15314.patch, HBASE-15314-v2.patch, HBASE-15314-v3.patch, HBASE-15314-v4.patch, HBASE-15314-v5.patch,
HBASE-15314-v6.patch, HBASE-15314-v7.patch, HBASE-15314-v8.patch
>
>
> Allow bucketcache use more than just one backing file: e.g. chassis has more than one
SSD in it.
> Usage (Setting the following configurations in hbase-site.xml):
> {quote}
> <property>
>   <name>hbase.bucketcache.ioengine</name>
>   <value>files:/mnt/disk1/bucketcache,/mnt/disk2/bucketcache,/mnt/disk3/bucketcache,/mnt/disk4/bucketcache</value>
> </property>
> <property>
>   <name>hbase.bucketcache.size</name>
>   <value>1048576</value>
> </property>
> {quote}
> The above setting means the total capacity of cache is 1048576MB(1TB), each file length
will be set to 0.25TB.



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