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https://issues.apache.org/jira/browse/HBASE-14511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939068#comment-14939068
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Hadoop QA commented on HBASE-14511:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12764452/HBASE-14511.v2.patch
against master branch at commit a463984945717bf9cb2881c3d586d5b11d192d65.
ATTACHMENT ID: 12764452
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified tests.
{color:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.6.1 2.7.0
2.7.1)
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle errors
{color:red}-1 findbugs{color}. The patch appears to cause Findbugs
(version 2.0.3) to fail.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 lineLengths{color}. The patch does not introduce lines
longer than 100
{color:green}+1 site{color}. The mvn post-site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.mapreduce.TestImportExport
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/15835//testReport/
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/15835//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/15835//console
This message is automatically generated.
> StoreFile.Writer Meta Plugin
> ----------------------------
>
> Key: HBASE-14511
> URL: https://issues.apache.org/jira/browse/HBASE-14511
> Project: HBase
> Issue Type: New Feature
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Attachments: HBASE-14511.v1.patch, HBASE-14511.v2.patch
>
>
> During my work on a new compaction policies (HBASE-14468, HBASE-14477) I had
> to modify the existing code of a StoreFile.Writer to add additional meta-info
> required by these new policies. I think that it should be done by means of a
> new Plugin framework, because this seems to be a general capability/feature.
> As a future enhancement this can become a part of a more general
> StoreFileWriter/Reader plugin architecture. But I need only Meta section of a
> store file.
> This could be used, for example, to collect rowkeys distribution information
> during hfile creation. This info can be used later to find the optimal region
> split key or to create optimal set of sub-regions for M/R jobs or other jobs
> which can operate on a sub-region level.
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