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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1900) the heartbeat and task event queries interval should be set dynamically by the JobTracker
Date Mon, 03 Dec 2007 11:31:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12547797
] 

Devaraj Das commented on HADOOP-1900:
-------------------------------------

Sorry one more comment - "if (diff > minWait) " condition should check for greater-than-or-equal-to.


> the heartbeat and task event queries interval should be set dynamically by the JobTracker
> -----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1900
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1900
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Amareshwari Sri Ramadasu
>             Fix For: 0.16.0
>
>         Attachments: patch-1900.txt, patch-1900.txt, patch-1900.txt, patch-1900.txt,
patch-1900.txt, patch-1900.txt
>
>
> The JobTracker should scale the intervals that the TaskTrackers use to contact it dynamically,
based on how the busy it is and the size of the cluster.

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