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https://issues.apache.org/jira/browse/YARN-2318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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tangjunjie updated YARN-2318:
-----------------------------

    Description: 
hadoop  have a lot of config property. People will make mistake when modify 
configuration file. So hadoop can do config check tool .This tool can find 
mistake as follow.
if config 
<property>
          <name>mapreduce.tasktracker.reduce.tasks.maximu</name> should be 
mapreduce.tasktracker.reduce.tasks.maximum
          <value>9</value>
          <description>The maximum number of reduce tasks that will be run
          simultaneously by a task tracker.
          </description>
        </property>

OR this tool can warn use deprecated property name and correct it.

  was:
hadoop  have a lot of config property. People will make mistake when modify 
configuration file. So hadoop can do config check tool .This tool can find 
mistake as follow.
if config 
<property>
          <name>mapreduce.tasktracker.reduce.tasks.maximu</name> <!--should be 
mapreduce.tasktracker.reduce.tasks.maximum-->
          <value>9</value>
          <description>The maximum number of reduce tasks that will be run
          simultaneously by a task tracker.
          </description>
        </property>

OR this tool can warn use deprecated property name and correct it.


> hadoop configuraion checker
> ---------------------------
>
>                 Key: YARN-2318
>                 URL: https://issues.apache.org/jira/browse/YARN-2318
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: tangjunjie
>
> hadoop  have a lot of config property. People will make mistake when modify 
> configuration file. So hadoop can do config check tool .This tool can find 
> mistake as follow.
> if config 
> <property>
>         <name>mapreduce.tasktracker.reduce.tasks.maximu</name> should be 
> mapreduce.tasktracker.reduce.tasks.maximum
>         <value>9</value>
>         <description>The maximum number of reduce tasks that will be run
>         simultaneously by a task tracker.
>         </description>
>       </property>
> OR this tool can warn use deprecated property name and correct it.



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