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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-842) option to dump histogram of memory usage when heap is low on memory
Date Tue, 10 Jun 2014 21:07:03 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14027014#comment-14027014
] 

Hudson commented on GIRAPH-842:
-------------------------------

ABORTED: Integrated in Giraph-trunk-Commit #1451 (See [https://builds.apache.org/job/Giraph-trunk-Commit/1451/])
GIRAPH-842: option to dump histogram of memory usage when heap is low on memory (pavanka)
(pavanka: http://git-wip-us.apache.org/repos/asf?p=giraph.git&a=commit&h=372c35ebccedf64266a38a35e365d3810642fef2)
* CHANGELOG
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConfiguration.java
* giraph-core/src/main/java/org/apache/giraph/utils/ReactiveJMapHistoDumper.java
* giraph-core/src/main/java/org/apache/giraph/worker/BspServiceWorker.java
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConstants.java
* giraph-core/src/main/java/org/apache/giraph/master/BspServiceMaster.java


> option to dump histogram of memory usage when heap is low on memory
> -------------------------------------------------------------------
>
>                 Key: GIRAPH-842
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-842
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Pavan Kumar
>            Assignee: Pavan Kumar
>            Priority: Minor
>         Attachments: GIRAPH-842.patch, GIRAPH-842_1.patch, master-stderr, worker-stderr
>
>
> Currently we are left in blind for jobs that OOM, it would be helpful if we can do a
jmap -histo dump when heap has very little free space left.



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