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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15314) Allow more than one backing file in bucketcache
Date Thu, 23 Feb 2017 17:42:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880915#comment-15880915

ramkrishna.s.vasudevan commented on HBASE-15314:

[~zjushch], [~zyork], [~aartokhy]
What is the decision here? 
Going thro the discussions and the patch since we have now more than one file backing the
bucket cache we are now able to make use of all the SSDs mounted so it also means when we
have random reads we are able to parallely access the data in all SSDs. But I think none of
the patches here change the way the writes are written to the SSDs via the allocators that
[~danielpol] had mentioned.

> 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: Aaron Tokhy
>         Attachments: FileIOEngine.java, HBASE-15314.master.001.patch, HBASE-15314.master.001.patch,
HBASE-15314.patch, HBASE-15314-v2.patch, HBASE-15314-v3.patch
> Allow bucketcache use more than just one backing file: e.g. chassis has more than one
SSD in it.

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