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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7162) Prefix Compression - Trie data block encoding; hbase-common and hbase-server changes
Date Wed, 21 Nov 2012 16:47:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13502113#comment-13502113
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Lars Hofhansl commented on HBASE-7162:
--------------------------------------

The "problem" is KeyValue to getBuffer, which is used quite frequently. But looking at the
useages, most of them just get the buffer to compare the row portion, or the qualifier portion,
etc. So I was thinking that a great start would be to add a getRowBuffer, getFamilyBuffer,
getQualifierBuffer, along the right offset methods to the interface... Then I noticed that's
exactly what you did in the Cell interface. :)
There's one sticky issue still, where we use the key portion of the KV (i.e. row, CF, qual),
that would still need to be assembled on each call.
                
> Prefix Compression - Trie data block encoding; hbase-common and hbase-server changes
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-7162
>                 URL: https://issues.apache.org/jira/browse/HBASE-7162
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 0.96.0
>            Reporter: stack
>            Assignee: Matt Corgan
>             Fix For: 0.96.0
>
>         Attachments: HBASE-4676-common-and-server-v8.patch, HBASE-4676-common-and-server-v9.patch,
HBASE-7162-common-and-server-v10.patch
>
>
> These are the hbase-common and hbase-server changes for hbase-4676 Prefix Compression
- Trie data block encoding.

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