hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1219) JobTracker Metrics causes undue load on JobTracker
Date Thu, 19 Nov 2009 11:25:40 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779940#action_12779940
] 

Amareshwari Sriramadasu commented on MAPREDUCE-1219:
----------------------------------------------------

test-patch result for Y!20 patch :
{noformat}
     [exec] -1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no tests are needed for this patch.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
{noformat}

bq.  -1 tests included.
The patch removes some existing code for which there are no unit tests.

> 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, 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