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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.

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.

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

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

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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