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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4997) Update fair scheduler to use pluggable auth provider
Date Tue, 09 Aug 2016 17:46:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-4997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15413907#comment-15413907
] 

Daniel Templeton commented on YARN-4997:
----------------------------------------

Thanks for the patch, [~Tao Jie].  Overall looks good to me.  A couple of minor comments:

{code}
        LOG.info(authorizer.getClass().getName() + " is destoryed.");
{code}

Probably best to make the log message at DEBUG level and only do the string concat if debug
is on.

{code}
        if (queueInfo == null) {
          authorizer.setPermission(allocsLoader.getDefaultPermissions(),
              UserGroupInformation.getCurrentUser());
          return;
        }
{code}

Since that's in a small method, can we please use an _else_ instead of returning from the
_if_?

{code}
      AccessControlList operationAcl = acls.get(
          SchedulerUtils.toAccessType(operation));
{code}

Tiny quibble...  Can we split the line on the equals instead of on the paren?

{code}
    authorizer
        .setPermission(permissions, UserGroupInformation.getCurrentUser());
{code}

Similarly, can we break on the comma here instead of the dot?

Finally, for the public and protected methods you added, please add javadocs.

> Update fair scheduler to use pluggable auth provider
> ----------------------------------------------------
>
>                 Key: YARN-4997
>                 URL: https://issues.apache.org/jira/browse/YARN-4997
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.8.0
>            Reporter: Daniel Templeton
>            Assignee: Tao Jie
>         Attachments: YARN-4997-001.patch, YARN-4997-002.patch
>
>
> Now that YARN-3100 has made the authorization pluggable, it should be supported by the
fair scheduler.  YARN-3100 only updated the capacity scheduler.



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