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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-10602) HDFS namenode_opt_newsize and namenode_opt_maxnewsize not using number of datanodes in calculation
Date Mon, 20 Apr 2015 17:01:04 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-10602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14503198#comment-14503198
] 

Hadoop QA commented on AMBARI-10602:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12726584/AMBARI-10602.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {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 test build failed in ambari-server 

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/2422//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/2422//console

This message is automatically generated.

> HDFS namenode_opt_newsize and namenode_opt_maxnewsize not using number of datanodes in
calculation
> --------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-10602
>                 URL: https://issues.apache.org/jira/browse/AMBARI-10602
>             Project: Ambari
>          Issue Type: Bug
>          Components: stacks
>    Affects Versions: 2.1.0
>            Reporter: Dmytro Sen
>            Assignee: Dmytro Sen
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-10602.patch
>
>
> Reviewing HDFS recommendation code for namenode_heapsize, namenode_opt_newsize and namenode_opt_maxnewsize,
it looks like the calculations are not taking into account the number of datanodes and disks
per datanode.
> HDFS recommendations currently gives the following output
> {code}
>           "configurations": {
>             "hadoop-env": {
>               "properties": {
>                 "namenode_heapsize": "1024",
>                 "namenode_opt_maxnewsize": "256",
>                 "namenode_opt_newsize": "256"
>               },
>               "property_attributes": {
>                 "namenode_heapsize": {
>                   "maximum": "2887"
>                 },
>                 "dtnode_heapsize": {
>                   "maximum": "2887"
>                 }
>               }
>             },
> {code}



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