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From "Dmytro Sen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-10602) HDFS namenode_opt_newsize and namenode_opt_maxnewsize not using number of datanodes in calculation
Date Mon, 20 Apr 2015 15:18:58 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-10602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmytro Sen updated AMBARI-10602:
--------------------------------
    Attachment: AMBARI-10602.patch

> 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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