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Date: Fri, 18 Jun 2010 08:08:23 -0400 (EDT)
From: "Amar Kamat (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-1876) TaskAttemptStartedEvent.java
 incorrectly logs MAP_ATTEMPT_STARTED as event type for reduce tasks
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amar Kamat updated MAPREDUCE-1876:
----------------------------------

    Attachment: mapreduce-1876-v1.1.patch

Attaching a patch that uses the task-attempt-id to distinguish between map-tasktype and reduce-tasktype. Added a test for the same.

> TaskAttemptStartedEvent.java incorrectly logs MAP_ATTEMPT_STARTED as event type for reduce tasks
> ------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1876
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1876
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.22.0
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>             Fix For: 0.22.0
>
>         Attachments: mapreduce-1876-v1.1.patch
>
>
> {{TaskAttemptStartedEvent}} is used to log the start time of both the map and reduce task attempts to {{JobHistory}}. Following is the implementation of _getEventType()_ method of {{TaskAttemptStartedEvent}}
> {code}
> /** Get the event type */
>   public EventType getEventType() {
>     return EventType.MAP_ATTEMPT_STARTED;
>   }
> {code}

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