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From "Himanshu Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-15068) [HDP 2.3] hadoop-env advance config has Java Heap size bug
Date Wed, 17 Feb 2016 09:22:18 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-15068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15150170#comment-15150170
] 

Himanshu Sharma commented on AMBARI-15068:
------------------------------------------

Just to add, this creates problem while trying to setup cluster through Ambari Blueprints.

> [HDP 2.3]  hadoop-env advance config has Java Heap size bug
> -----------------------------------------------------------
>
>                 Key: AMBARI-15068
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15068
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: stacks
>            Reporter: Himanshu Sharma
>
> With Ambari-2.2, there is an issue with HDP-2.3 whereby the advanced hadoop-env default
properties have few errant values like :
> "dtnode_heapsize" : "1024"
> "namenode_heapsize" : "1024"
> Instead of above it should be the following as in HDP-2.2 :
> "dtnode_heapsize" : "1024m"
>  "namenode_heapsize" : "1024m"
> Note the missing "m" because of which the default heapsize for DataNodes and NameNodes
is getting initialized as 1KB instead of 1GB. This causes, respective JVMs unable to startup
and cluster initialization fails.
> I initially thought that the bug would be related to Ambari. But this is related to HDP-2.3
as its not visible in HDP-2.2.



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