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Posted to user@ant.apache.org by Dave Bartmess <Da...@healthlanguage.com> on 2005/04/05 18:07:04 UTC
Garbage collection question
Does the garbage collection have a "time-out" it's based on, or is it
strictly the lack of references to the classes?
I'm seeing problems with memory errors when doing a series of tasks on a
set of files, and running out of memory. But if I run the tasks on the
files one at a time manually (through ant still, but "written out"
instead of a single call to do all), it seems to work...
Thanks
--
Dave Bartmess
Sr. Software Configuration Manager
Health Language. Inc.
Office: 303-307-4400 x274
Cell: 303-883-9117
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Re: Garbage collection question
Posted by "Robert r. Sanders" <ro...@ipov.net>.
Garbage collection is non-deterministic - the JVM gets to decide when to
run it. My guess would be that ANT has a reference to ALL the files and
doesn't let go of any of them until all the tasks have run. You can
probably get around this with a little re-coding; I could be wrong, but
I think Ant-Call (and its variants) might cause the task objects to be
derefernced for every loop, meaning a little more CPU time, but
hopefully no oyt-of-memory errors. You might also look at either the
ANT scriping task, or the Ant-contrib (from sourceforge) for-each tag.
Dave Bartmess wrote:
>Does the garbage collection have a "time-out" it's based on, or is it
>strictly the lack of references to the classes?
>
>I'm seeing problems with memory errors when doing a series of tasks on a
>set of files, and running out of memory. But if I run the tasks on the
>files one at a time manually (through ant still, but "written out"
>instead of a single call to do all), it seems to work...
>
>Thanks
>
>
--
Robert r. Sanders
Chief Technologist
iPOV
(334) 821-5412
www.ipov.net
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