[jira] [Commented] (HBASE-20784) Will lose the SNAPSHOT suffix if we get the version of RS from ServerManager

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

    [ https://issues.apache.org/jira/browse/HBASE-20784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16534361#comment-16534361 ] 

Sergey Soldatov commented on HBASE-20784:
-----------------------------------------

The problem is wider than just losing SNAPSHOT prefix.
1.  It may completely lose the RS version (Shows 0.0.0 in the master UI for the version 2.1-SNAPSHOT)
2. That affects any custom build.  i.e. builds from CI with the build number as a suffix. So the build number will be stripped and may be a real issue for devops during rolling upgrade on large clusters    
3. Any vendor-specific builds. 
4. It triggers the report about the inconsistent version between Master and RSes.

We may consider using int versions on the master side as well,  but it would solve (4) only. 


> Will lose the SNAPSHOT suffix if we get the version of RS from ServerManager
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-20784
>                 URL: https://issues.apache.org/jira/browse/HBASE-20784
>             Project: HBase
>          Issue Type: Bug
>          Components: master, UI
>            Reporter: Duo Zhang
>            Priority: Minor
>
> In HBASE-20722 we removed the usage of RegionServerTracker when getting information for region server. And version in server manager is a int, and we convert it to a String when displaying it on the master ui, so we will lose the SNAPSHOT suffix. Not a big one as this is not a problem for normal releases. Open a issue for it.



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