[jira] [Commented] (HBASE-15314) Allow more than one backing file in bucketcache

["Aaron Tokhy (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-15314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15691553#comment-15691553 ] 

Aaron Tokhy commented on HBASE-15314:
-------------------------------------

I have started working on improving v2 of this patch to add some additional tests, while keeping the implementation mostly the same.  I've addressed some issues such as guaranteeing the total aggregate file size is greater than or equal to the total allocatable size (using long ceiling division).  This also adds some cleanup logic if an exception is thrown on allocation failure.

Included with the change is a set of parameterized tests as well as some changes to have TestBucketCache to also test various configurable IOEngine types.

> 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: Amal Joshy
>         Attachments: HBASE-15314-v2.patch, HBASE-15314.patch
>
>
> Allow bucketcache use more than just one backing file: e.g. chassis has more than one SSD in it.



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