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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13387) Add ByteBufferedCell an extension to Cell
Date Tue, 21 Apr 2015 18:31:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505444#comment-14505444
] 

stack commented on HBASE-13387:
-------------------------------

Ok. Writeup helps (formatting is all wacky).  It could do with an edit but it is lists out
the fruit of our back and forth on the two patches posted.  Great (I have reservations about
an Interface per server-side feature but for now, lets go this route... I think it means less
change). Looking forward to v3.

> 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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