[jira] [Commented] (AMBARI-20809) Support removal of pending host requests from a TopologyRequest

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

    [ https://issues.apache.org/jira/browse/AMBARI-20809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15989001#comment-15989001 ] 

Hadoop QA commented on AMBARI-20809:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12865541/AMBARI-20809.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 4 new or modified test files.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in ambari-server:

                  org.apache.ambari.server.state.UpgradeHelperTest
                  org.apache.ambari.server.controller.metrics.RestMetricsPropertyProviderTest

Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/11533//console

This message is automatically generated.

> 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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