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http://jira.codehaus.org/browse/MCLEAN-32?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=206099#action_206099
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Benjamin Bentmann commented on MCLEAN-32:
-----------------------------------------
Also, my testing indicates that {{followSymlinks=false}} requires more memory
than {{followSymlinks=true}}. So using the latter option value for projects
with huge directories but knowingly no symlinks could also help.
> Out of Memory Error cleaning target directory with *large* number of
> sub-directories
> ------------------------------------------------------------------------------------
>
> Key: MCLEAN-32
> URL: http://jira.codehaus.org/browse/MCLEAN-32
> Project: Maven 2.x Clean Plugin
> Issue Type: Bug
> Affects Versions: 2.2
> Environment: maven-2.0.8, solaris, jdk 1.6.0_05
> Reporter: Ryan Sonnek
> Assignee: Benjamin Bentmann
> Priority: Critical
> Fix For: 2.4
>
> Attachments: output.txt
>
>
> running mvn clean on a target directory with a *large* number of sub
> directories causes an OutOfMemoryError. The plexus DirectoryScanner seems to
> be the major culprit from the stacktrace.
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