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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15016) StoreServices facility in Region
Date Wed, 30 Dec 2015 18:20:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15075279#comment-15075279
] 

Hadoop QA commented on HBASE-15016:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12779991/HBASE-15016-V03.patch
  against master branch at commit 07b623670647686084f8f5fd2038e2bafcfdac54.
  ATTACHMENT ID: 12779991

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 8 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:red}-1 checkstyle{color}.  The applied patch generated new checkstyle
errors. Check build console for list of new errors.

    {color:green}+1 findbugs{color}.  The patch does not introduce any  new Findbugs (version
2.0.3) warnings.

    {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:green}+1 core tests{color}.  The patch passed unit tests in .

    {color:green}+1 zombies{color}. No zombie tests found running at the end of the build.

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/17078//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/17078//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/17078//artifact/patchprocess/checkstyle-aggregate.html

                Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/17078//console

This message is automatically generated.

> StoreServices facility in Region
> --------------------------------
>
>                 Key: HBASE-15016
>                 URL: https://issues.apache.org/jira/browse/HBASE-15016
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Eshcar Hillel
>            Assignee: Eshcar Hillel
>         Attachments: HBASE-15016-V01.patch, HBASE-15016-V02.patch, HBASE-15016-V03.patch
>
>
> The default implementation of a memstore ensures that between two flushes the memstore
size increases monotonically. Supporting new memstores that store data in different formats
(specifically, compressed), or that allows to eliminate data redundancies in memory (e.g.,
via compaction), means that the size of the data stored in memory can decrease even between
two flushes. This requires memstores to have access to facilities that manipulate region counters
and synchronization.
> This subtasks introduces a new region interface -- StoreServices, through which store
components can access these facilities.



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