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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7826) Improve Hbase Thrift v1 to return results in sorted order
Date Wed, 24 Jul 2013 21:39:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718866#comment-13718866
] 

Hadoop QA commented on HBASE-7826:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12594017/hbase_7826_sortcolumnFlag.5.patch
  against trunk revision .

    {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:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

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

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 lineLengths{color}.  The patch introduces lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.thrift.TestThriftServer

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/6455//console

This message is automatically generated.
                
> Improve Hbase Thrift v1 to return results in sorted order
> ---------------------------------------------------------
>
>                 Key: HBASE-7826
>                 URL: https://issues.apache.org/jira/browse/HBASE-7826
>             Project: HBase
>          Issue Type: New Feature
>          Components: Thrift
>    Affects Versions: 0.94.0
>            Reporter: Shivendra Pratap Singh
>            Assignee: Shivendra Pratap Singh
>            Priority: Minor
>              Labels: Hbase, Thrift
>         Attachments: hbase_7826.patch, hbase_7826.patch, hbase_7826_sortcolumnFlag.1.patch,
hbase_7826_sortcolumnFlag.2.patch, hbase_7826_sortcolumnFlag.3.patch, hbase_7826_sortcolumnFlag.4.patch,
hbase_7826_sortcolumnFlag.5.patch, hbase_7826_sortcolumnFlag.patch, hbase_7826_trunk.patch
>
>
> Hbase natively stores columns sorted based on the column qualifier. A scan is guaranteed
to return sorted columns. The Java API works fine but the Thrift API is broken. Hbase uses
TreeMap that ensures that sort order is maintained. However Hbase thrift specification uses
a simple Map to store the data. A map, since it is unordered doesn't result in columns being
returned in a sort order that is consistent with their storage in Hbase.

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