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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12282) Ensure Cells and its implementations work with Buffers also
Date Mon, 27 Oct 2014 06:06:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14184872#comment-14184872
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ramkrishna.s.vasudevan commented on HBASE-12282:
------------------------------------------------

Yes. It is just a hacky way as I said.  We have to ensure in the read path when we create
a KV (Cell ) that has to be buffer backed only.

> Ensure Cells and its implementations work with Buffers also
> -----------------------------------------------------------
>
>                 Key: HBASE-12282
>                 URL: https://issues.apache.org/jira/browse/HBASE-12282
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>    Affects Versions: 0.99.1
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0, 0.99.2
>
>         Attachments: HBASE-12224_2.patch
>
>
> This issue can be used to brainstorm and then do the necessary changes for the offheap
work.  All impl of cells deal with byte[] but when we change the Hfileblocks/Readers to work
purely with Buffers then the byte[] usage would mean that always the data is copied to the
onheap.  Cell may need some interface change to implement this.



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