[jira] [Commented] (AMBARI-14238) EU: Downgrade goes through all steps even if initiated at first prompt, should exit since hasn't changed stack/configs

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

    [ https://issues.apache.org/jira/browse/AMBARI-14238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15044255#comment-15044255 ] 

Hudson commented on AMBARI-14238:
---------------------------------

FAILURE: Integrated in Ambari-branch-2.2 #20 (See [https://builds.apache.org/job/Ambari-branch-2.2/20/])
AMBARI-14238. EU: Downgrade goes through all steps even if initiated at (smohanty: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=40cd4f40507f5f4c93e0022c1683c08ddc0c75a8])
* ambari-server/src/main/java/org/apache/ambari/server/controller/internal/UpgradeResourceProvider.java


> EU: Downgrade goes through all steps even if initiated at first prompt, should exit since hasn't changed stack/configs
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-14238
>                 URL: https://issues.apache.org/jira/browse/AMBARI-14238
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.2.0
>            Reporter: Dmytro Grinenko
>            Priority: Critical
>             Fix For: 2.2.0
>
>
> Steps:
> 1. Setup HDP 2.3.2 cluster with Ambari 2.1.3
> 2. Initiate Express Upgrade
> 3. Wait for the first message titled "stop all YARN queues" to appear
> 4. Hit Downgrade
> Result:
> Downgrade starts all the way from top as if it was triggered at Finalize HDFS phase and takes a while to complete
> Expected Result:
> It would be good to have downgrade attempt the actions only for which downgrade is really required



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