hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Sreekanth Ramakrishnan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1219) JobTracker Metrics causes undue load on JobTracker
Date Thu, 22 Apr 2010 05:58:50 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12859672#action_12859672
] 

Sreekanth Ramakrishnan commented on MAPREDUCE-1219:
---------------------------------------------------

The justification is mentioned in the comment : https://issues.apache.org/jira/browse/MAPREDUCE-1219?focusedCommentId=12779940&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12779940


I just have removed unused code from {{JobInProgress}}.

> 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: MAPREDUCE-1219.patch, MR-1219-1.patch, 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.


Mime
View raw message