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Posted to common-dev@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2009/05/25 12:57:45 UTC

[jira] Updated: (HADOOP-5784) The length of the heartbeat cycle should be configurable.

     [ https://issues.apache.org/jira/browse/HADOOP-5784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-5784:
--------------------------------------------

    Attachment: patch-5784.txt

Patch making the number of heartbeats that arrive JobTracker configurable.


> The length of the heartbeat cycle should be configurable.
> ---------------------------------------------------------
>
>                 Key: HADOOP-5784
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5784
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Amareshwari Sriramadasu
>         Attachments: patch-5784.txt
>
>
> Currently, the hearbeat cycle is set to (# nodes / 100) in seconds. This can be too long for clusters that need to run low latency jobs. We should make the number of heartbeats that should arrive a second configurable.

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