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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8116) HA: RetriableCommand is using RetryPolicy incorrectly after HADOOP-7896
Date Wed, 29 Feb 2012 13:05:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219171#comment-13219171

Hudson commented on HADOOP-8116:

Integrated in Hadoop-Hdfs-HAbranch-build #92 (See [https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/92/])
    HADOOP-8116. RetriableCommand is using RetryPolicy incorrectly after HADOOP-7896. Contributed
by Aaron T. Myers. (Revision 1294729)

     Result = UNSTABLE
atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1294729
Files : 
* /hadoop/common/branches/HDFS-1623/hadoop-common-project/hadoop-common/CHANGES.HDFS-1623.txt
* /hadoop/common/branches/HDFS-1623/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/RetriableCommand.java
* /hadoop/common/branches/HDFS-1623/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestCopyMapper.java

> HA: RetriableCommand is using RetryPolicy incorrectly after HADOOP-7896
> -----------------------------------------------------------------------
>                 Key: HADOOP-8116
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8116
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: util
>    Affects Versions: HA Branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HADOOP-8116-HDFS-1623.patch, HADOOP-8116-HDFS-1623.patch
> HADOOP-7896 (on the HA branch) refactored RetryAction from an enum to a class, and also
moved the act of sleeping to delay retries from the RetryPolicy implementations into RetryInvocationHandler.
RetriableCommand, in the rewritten distcp tool, uses RetryPolicy and associated classes from
o.a.h.io.retry. When MAPREDUCE-2765 was merged into the HA branch, RetriableCommand wasn't
adjusted accordingly to make use of the new structure of the o.a.h.io.retry classes.
> It's probably generally not kosher for RetriableCommand to be using the RetryPolicy classes
at all, since they're not really intended to be used except by RetryInvocationHandler. But,
regardless, this JIRA aims to make distcp's use of the o.a.h.io.retry classes functional again.

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