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From "Srimanth Gunturi (JIRA)" <>
Subject [jira] [Commented] (AMBARI-6471) Add Services Wizard can corrupt config files unpredictably
Date Sat, 12 Jul 2014 18:24:04 GMT


Srimanth Gunturi commented on AMBARI-6471:

+1 received. Committed to branch-1.6.1

> Add Services Wizard can corrupt config files unpredictably
> ----------------------------------------------------------
>                 Key: AMBARI-6471
>                 URL:
>             Project: Ambari
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.6.1
>            Reporter: Srimanth Gunturi
>            Assignee: Srimanth Gunturi
>            Priority: Blocker
>             Fix For: 1.6.1
> Testing using the 1.6.1 RC bits (branch-1.6.1, hash=ffb702b252a8b979529864ec5579465a122060b5)
revealed that Add Services can corrupt config files in an unpredictable manner.
> We have seen:
> * adding Pig resulted in core-site dropping all existing properties except for "hadoop.proxyuser.falcon.hosts
and hadoop.proxyuser.falcon.groups"
> * add Storm resulted in core-site retaining all existing properties but dropping hadoop.proxyuser.*
settings for all services except Falcon
> * adding Storm dropped a number of existing properties in yarn-site (and NodeManagers
can no longer restart after that)
> The bottomline here is that behavior seems pretty random (adding the same service on
different clusters results in different behavior).
> Also, when adding a service, certain configs (like hdfs-site) were not cloned while most
other configs (like yarn-site, mapred-site) get cloned even if no property changes are made
regardless of which service is added.
> Update: changes to hdfs-site during Add Services Wizard never persists.

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