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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1879) Mark Idempotent/AtMostOnce annotations to ApplicationMasterProtocol
Date Fri, 03 Oct 2014 07:04:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-1879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14157751#comment-14157751
] 

Tsuyoshi OZAWA commented on YARN-1879:
--------------------------------------

Thanks for your comment, Karthik. Almost done to address your comments.

{quote}
Are there cases when we don't want RetryCache enabled? IMO, we should always use the RetryCache
(no harm). If we decide on having a config, the default should be true.
{quote}

Basically, we can enable RetryCache without harm and implemented it. One concern is tests
- on my local, lots tests fail because of following reason:

{code}
org.apache.hadoop.metrics2.MetricsException: Metrics source RetryCache.AppMasterServiceRetryCache
already exists!
{code}

I'll try to fix them in next patch by adding {{DefaultMetricsSystem.setMiniClusterMode(true);}}
to the tests.

> Mark Idempotent/AtMostOnce annotations to ApplicationMasterProtocol
> -------------------------------------------------------------------
>
>                 Key: YARN-1879
>                 URL: https://issues.apache.org/jira/browse/YARN-1879
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Tsuyoshi OZAWA
>            Priority: Critical
>         Attachments: YARN-1879.1.patch, YARN-1879.1.patch, YARN-1879.11.patch, YARN-1879.12.patch,
YARN-1879.13.patch, YARN-1879.14.patch, YARN-1879.15.patch, YARN-1879.16.patch, YARN-1879.17.patch,
YARN-1879.18.patch, YARN-1879.2-wip.patch, YARN-1879.2.patch, YARN-1879.3.patch, YARN-1879.4.patch,
YARN-1879.5.patch, YARN-1879.6.patch, YARN-1879.7.patch, YARN-1879.8.patch, YARN-1879.9.patch
>
>




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