hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1457) Counters for monitoring task assignments
Date Mon, 04 Jun 2007 10:49:35 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arun C Murthy updated HADOOP-1457:

    Attachment: HADOOP-1457_1_20070604.patch

Simple patch which adds job-counters for total launched maps/reduces and 'data-local' maps,
these help for e.g. to check percentage of 'data-local' maps as against 'total launched maps'
via simon etc.

> Counters for monitoring task assignments
> ----------------------------------------
>                 Key: HADOOP-1457
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1457
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.12.3
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>            Priority: Minor
>             Fix For: 0.14.0
>         Attachments: HADOOP-1457_1_20070604.patch
> For performance reasons, it would be nice to monitor the task assignments to nodes. This
is especially true for maps where we want to maximize data-locality-based assignments. Counters
could be introduced for that.

This message is automatically generated by JIRA.
You can reply to this email to add a comment to the issue online.

View raw message