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From "Sandor Magyari (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-14251) Blueprints: fix stale configs and kerberos-env stack defaults are not being applied during cluster deployment
Date Mon, 07 Dec 2015 16:37:11 GMT
Sandor Magyari created AMBARI-14251:
---------------------------------------

             Summary: Blueprints: fix stale configs and kerberos-env stack defaults are not
being applied during cluster deployment
                 Key: AMBARI-14251
                 URL: https://issues.apache.org/jira/browse/AMBARI-14251
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.2.0
            Reporter: Sandor Magyari
            Assignee: Sandor Magyari
             Fix For: 2.2.0


The following issues were discovered during Kerberized cluster deployment using Blueprints:

1. Stale configuration problem: Kerberos related configuration is generated for each host
separately but applied on the whole Cluster. In case two components having common config types
(like core-site in case of YARN_CLIENT and RESOURCEMANAGER) are deployed on two different
hosts, Kerberos configuration changes generated by one host may interfere with config types
deployed on other host. Eg. host2 modifies properties in core-site for RESOURCEMANAGER when
same config type is already pushed to host1, causing Ambari to consider host1 with steal config.
  

2. Stack default values for properties in kerberos-env and krb5-conf are not being applied
during cluster deployment in case they are defined only in Cluster create template configurations




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