[jira] [Commented] (AMBARI-15457) Topology host info is not cleared when a host is removed

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

    [ https://issues.apache.org/jira/browse/AMBARI-15457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15256446#comment-15256446 ] 

Christopher Jackson commented on AMBARI-15457:
----------------------------------------------

[~dgergely] If someone encounters this issue and then upgrades to 2.2.2 via ambari upgrade will it ensure a valid topology is created? If not what are the steps needed to correct this issue?

> Topology host info is not cleared when a host is removed
> --------------------------------------------------------
>
>                 Key: AMBARI-15457
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15457
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>            Reporter: Daniel Gergely
>            Assignee: Daniel Gergely
>             Fix For: 2.4.0, 2.2.2
>
>         Attachments: AMBARI-15457.patch, AMBARI-15457_branch-2.2.patch
>
>
> When a host is removed, a record is left in the topology_host_info table. As a result re-adding the same host is not possible, due to invalid topology.
> Host removal should remove the corresponding record from topology_host_info as well.



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