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https://issues.apache.org/jira/browse/AMBARI-20809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15989512#comment-15989512
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Hudson commented on AMBARI-20809:
---------------------------------
SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #1466 (See
[https://builds.apache.org/job/Ambari-branch-2.5/1466/])
AMBARI-20809. Support hostgroup downscale by host_count (magyari_sandor)
(smagyari:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=93d5fbedc9d89d5f41d5ecd1163cfdbe2bd8763e])
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/LogicalRequest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/PersistedState.java
* (edit) ambari-server/src/main/resources/properties.json
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/checks/DatabaseConsistencyCheckHelper.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/TopologyManager.java
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/checks/DatabaseConsistencyCheckHelperTest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/controller/RequestRequest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/PersistedStateImpl.java
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/topology/TopologyManagerTest.java
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/topology/LogicalRequestTest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/RequestResourceProvider.java
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestResourceProviderTest.java
> 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, AMBARI-20809-v2.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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