[jira] [Created] (AMBARI-15068) [HDP 2.3] hadoop-env advance config has Java Heap size bug

["Himanshu Sharma (JIRA)" <ji...@apache.org>]

Himanshu Sharma created AMBARI-15068:
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             Summary: [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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