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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13387) Add ByteBufferedCell an extension to Cell
Date Tue, 21 Apr 2015 18:06:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505395#comment-14505395
] 

Anoop Sam John commented on HBASE-13387:
----------------------------------------

bq. Is there a writeup anywhere on change in thinking that I can refer too?
[~stack]  attached boss.
[~apurtell]  You suggest we close this issue and create a new one as this contains 2 approaches
patches? Or just remove the attached patches as it will confuse?  I thought of continue with
this Jira as it contains many comments abt the design consideration and pros and cons. I am
ok for any.

> Add ByteBufferedCell an extension to Cell
> -----------------------------------------
>
>                 Key: HBASE-13387
>                 URL: https://issues.apache.org/jira/browse/HBASE-13387
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>         Attachments: ByteBufferedCell.docx, WIP_HBASE-13387_V2.patch, WIP_ServerCell.patch
>
>
> This came in btw the discussion abt the parent Jira and recently Stack added as a comment
on the E2E patch on the parent Jira.
> The idea is to add a new Interface 'ByteBufferedCell'  in which we can add new buffer
based getter APIs and getters for position in components in BB.  We will keep this interface
@InterfaceAudience.Private.   When the Cell is backed by a DBB, we can create an Object implementing
this new interface.
> The Comparators has to be aware abt this new Cell extension and has to use the BB based
APIs rather than getXXXArray().  Also give util APIs in CellUtil to abstract the checks for
new Cell type.  (Like matchingXXX APIs, getValueAs<type> APIs etc)



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