You are viewing a plain text version of this content. The canonical link for it is here.
Posted to mapreduce-issues@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2009/11/18 05:59:39 UTC
[jira] Updated: (MAPREDUCE-1219) JobTracker Metrics causes undue
load on JobTracker
[ https://issues.apache.org/jira/browse/MAPREDUCE-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amareshwari Sriramadasu updated MAPREDUCE-1219:
-----------------------------------------------
Attachment: patch-1219-ydist.txt
Patch for Yahoo! distribution, removing the job updates from JobTrackerMetricsInst.doUpdates()
> JobTracker Metrics causes undue load on JobTracker
> --------------------------------------------------
>
> Key: MAPREDUCE-1219
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1219
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.21.0
> Reporter: Jothi Padmanabhan
> Assignee: Amareshwari Sriramadasu
> Attachments: patch-1219-ydist.txt
>
>
> JobTrackerMetricsInst.doUpdates updates job-level counters of all running jobs into JobTracker's metrics causing very bad performance and hampers heartbeats. Since Job level metrics are better served by JobHistory, it may be a good idea to remove these from the metrics framework.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.