[jira] [Updated] (YARN-4907) Make all MockRM#waitForState consistent.

["Yufei Gu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-4907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yufei Gu updated YARN-4907:
---------------------------
    Description: 
There are some inconsistencies among these {{waitForState}} in {{MockRM}}:
1. Some return a boolean, some don't.  
2. Some wait function don't have a timeout, they can wait for ever. 
3. Some use {{LOG.info}} and others use {{System.out.println}} to print messages.

  was:
There are some inconsistencies among these {{waitForState}} in {{MockRM}}:
1. Some return a boolean, some don't.  
2. Some have a minimum waiting time(1000ms), some one don't. I appreciate if someone can explain why we need a minimum waiting time. 
3. Some wait function don't have a timeout, they can wait for ever. 
4. Some use LOG.info and others use {{System.out.println}} to print messages.


> Make all MockRM#waitForState consistent. 
> -----------------------------------------
>
>                 Key: YARN-4907
>                 URL: https://issues.apache.org/jira/browse/YARN-4907
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>
> There are some inconsistencies among these {{waitForState}} in {{MockRM}}:
> 1. Some return a boolean, some don't.  
> 2. Some wait function don't have a timeout, they can wait for ever. 
> 3. Some use {{LOG.info}} and others use {{System.out.println}} to print messages.



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