[jira] [Updated] (HBASE-14517) Show regionserver's version in master status page

["stack (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-14517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-14517:
--------------------------
    Release Note: 
Adds server version to the listing of regionservers on the master home page.

if a cluster where the versions deviate, at the bottom of the 'Version' column on the master home page listing of 'Region Servers', you will see a note in red that says something like: 'Total:10		9 nodes with inconsistent version'

  was:Adds server version to the listing of regionservers on the master home page


> 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, 1.2.0, 1.3.0
>
>         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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