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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-12720) Blueprint Logical Request stuck in waiting mode during large cluster deployments
Date Tue, 11 Aug 2015 18:30:46 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-12720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14682239#comment-14682239
] 

Hadoop QA commented on AMBARI-12720:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12749859/AMBARI-12720.patch
  against trunk revision .

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

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

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

                  org.apache.ambari.server.controller.AmbariManagementControllerTest

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/3567//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/3567//console

This message is automatically generated.

> Blueprint Logical Request stuck in waiting mode during large cluster deployments
> --------------------------------------------------------------------------------
>
>                 Key: AMBARI-12720
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12720
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Robert Nettleton
>            Assignee: Robert Nettleton
>            Priority: Critical
>             Fix For: 2.1.1
>
>         Attachments: AMBARI-12720.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> During Blueprint deployments involving large cluster sizes (50 or more nodes), there
is an intermittent failure that occurs in which a logical request never completes, since one
or more expected host registrations do not complete, and so the request can not be fully resolved.
 This results in the UI showing that the logical request is pending, and the cluster fails
to deploy to completion.
> This tends to happen under heavy load with large cluster sizes.  This also tends to happen
more frequently when hosts in the cluster are registered with the TopologyManager during the
Blueprint configuration phase.  
> This appears to be a concurrency problem with the TopologyManager.
> I'm working on a fix for this, and will be submitting a patch shortly.  



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