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https://issues.apache.org/jira/browse/HBASE-10487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898731#comment-13898731
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Hadoop QA commented on HBASE-10487:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12628416/HBASE-10487-0.98_v1.patch
against trunk revision .
ATTACHMENT ID: 12628416
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new
or modified tests.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/8666//console
This message is automatically generated.
> Avoid allocating new KeyValue and according bytes-copying for appended kvs
> which don't have existing values
> -----------------------------------------------------------------------------------------------------------
>
> Key: HBASE-10487
> URL: https://issues.apache.org/jira/browse/HBASE-10487
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Feng Honghua
> Assignee: Feng Honghua
> Fix For: 0.99.0
>
> Attachments: HBASE-10487-0.98_v1.patch, HBASE-10487-trunk_v1.patch
>
>
> in HRegion.append, new KeyValues will be allocated and do according
> bytes-copying no matter whether there are existing kv for the appended cells,
> we can improve here by avoiding the allocating of new KeyValue and according
> bytes-copying for kv which don't have existing(old) values by reusing the
> passed-in kv and only updating its timestamp to 'now'(its original timestamp
> is latest, so can be updated)
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