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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14517) Show regionserver's version in master status page
Date Fri, 09 Oct 2015 06:20:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949953#comment-14949953
] 

Hadoop QA commented on HBASE-14517:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12765725/HBASE-14517-v2.patch
  against master branch at commit a77f830198815db3927fc02646d2167c370a028f.
  ATTACHMENT ID: 12765725

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/15924//testReport/
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/15924//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/15924//console

This message is automatically generated.

> Show regionserver's version in master status page
> -------------------------------------------------
>
>                 Key: HBASE-14517
>                 URL: https://issues.apache.org/jira/browse/HBASE-14517
>             Project: HBase
>          Issue Type: Improvement
>          Components: monitoring
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-14517-v1.diff, HBASE-14517-v1.patch, HBASE-14517-v2.patch
>
>
> In production env, regionservers may be removed from the cluster for hardware problems
and rejoined the cluster after the repair. There is a potential risk that the version of rejoined
regionserver may diff from others because the cluster has been upgraded through many versions.

> To solve this, we can show the all regionservers' version in the server list of master's
status page, and highlight the regionserver when its version is different from the master's
version, similar to HDFS-3245
> Suggestions are welcome~



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