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https://issues.apache.org/jira/browse/AMBARI-22879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16345226#comment-16345226
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Andrii Tkach commented on AMBARI-22879:
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committed to trunk and branch-2.6
> Ambari makes unrelated changes to zookeeper quorum config in all services
> when delete host action fails
> -------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-22879
> URL: https://issues.apache.org/jira/browse/AMBARI-22879
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.5.0
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Labels: pull-request-available
> Fix For: 3.0.0, 2.6.2
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> *STR:*
> # Delete a host from ambari-web ui that has only slave components like
> datanode, nodemanager, etc
> # This action will make API calls to delete host components and then delete
> host api
> # Somehow environment should be configured in a way such that delete host
> component API succeeds but delete host api errors out
> *Expected Result:* Host should still exist with no components. NO config
> changes should happen as none were previewed and slave component deletion
> generally does not result in config changes
> *Actual Result:* ZK quorum related config changes happen in all services
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