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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4488) Jenkins builds aren't saving heap dumps anymore
Date Thu, 18 Oct 2012 16:16:03 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479106#comment-13479106
] 

Michael McCandless commented on LUCENE-4488:
--------------------------------------------

Hmmm when I run:

{noformat}
  ant test -Dtests.nightly=true -Dtestcase=TestIndexWriterOnJRECrash -Dargs="-XX:+HeapDumpOnOutOfMemoryError"
-Dtests.leaveTemporary=true
{noformat}

in lucene/core, I can't find any heap dump file created.  Wasn't this the test that prevents
us from turning on heap dumps?  (Or is it creating hs_err somewhere? But it's tiny ... I can't
find it either ...).
                
> Jenkins builds aren't saving heap dumps anymore
> -----------------------------------------------
>
>                 Key: LUCENE-4488
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4488
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Michael McCandless
>
> Spinoff from the discussion here: http://markmail.org/thread/vljiltccqgg7afxc
> Our Jenkins builds used to save heap dumps, which is really useful for tracking down
OOMEs that are hard to reproduce: sometimes these OOMEs are due to real issues.
> From the thread it sounds like it's easy to fix TestIndexWriterOnJRECrash to not dump
...

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