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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9792) Retry the methods that are tagged @AtMostOnce along with @Idempotent
Date Thu, 01 Aug 2013 03:43:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726013#comment-13726013

Aaron T. Myers commented on HADOOP-9792:

I wasn't trying to suggest that atmostonce was incorrect, or that the retry cache makes an
op idempotent. The way it's done now is correct. We agree. Let's move on. 
> Retry the methods that are tagged @AtMostOnce along with @Idempotent
> --------------------------------------------------------------------
>                 Key: HADOOP-9792
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9792
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 2.1.0-beta
>         Attachments: HADOOP-9792.1.patch, HADOOP-9792.patch
> Currently the operations marked as @Idempotent are retried. Now that we have added new
operations that are marked @AtMostOnce that guaranteed to be executed only once with the help
of RetryCache on server implementation, these methods should also be retried.

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