How do I delete mongrel temp files after completion of upload?

In my rails application am uploading some large file(1 Gb),and when I go windows temp folder, mongrel temporary files are gathering there, but I would like these files to be deleted after开发者_开发技巧 upload completes.

Could anyone tell me how do that??

This is my ruby version: ruby 1.8.6 (2007-09-24 patchlevel 111) [i386-mswin32]

Thanks..

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either GC.start or possibly hack into the guts of mongrel...