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From "Sandor Magyari (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-20809) Support removal of pending host requests from a TopologyRequest
Date Fri, 28 Apr 2017 12:51:04 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-20809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandor Magyari updated AMBARI-20809:
------------------------------------
    Description: In Blueprint deployments it is supported to specify a host predicate and
host count to control which hosts and how many hosts will automatically join the host group.
In case later is decided that less hosts to be used for the host group thus only a few hosts
(less than the original host count) will be provisioned currently there is no way to remove
pending host requests (created for hosts never joined to the cluster) so actually reducing
host count for a host group.  (was: In Blueprint deployments it is supported to specify a
host predicate and host count to control which hosts and how many hosts will automatically
join the host group. In case later is decided that less hosts to be used for the host group
thus only a few hosts (less than the original host count) will be provisioned currently there
is no way to downscale the host count to adjust it to the desired count.
Options)

> Support removal of pending host requests from a TopologyRequest
> ---------------------------------------------------------------
>
>                 Key: AMBARI-20809
>                 URL: https://issues.apache.org/jira/browse/AMBARI-20809
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server
>            Reporter: Sandor Magyari
>            Assignee: Sandor Magyari
>             Fix For: 3.0.0
>
>         Attachments: AMBARI-20809.patch
>
>
> In Blueprint deployments it is supported to specify a host predicate and host count to
control which hosts and how many hosts will automatically join the host group. In case later
is decided that less hosts to be used for the host group thus only a few hosts (less than
the original host count) will be provisioned currently there is no way to remove pending host
requests (created for hosts never joined to the cluster) so actually reducing host count for
a host group.



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