From my pov your main problem is that you create a thread for every file. This is a language-independent issue. I would suggest that your working threads take the filenames from a shared queue and process filenames until the shared queue is empty. Thus you have the overhead for creating threads only 10 and not 20.000 times. Check Thread::Queue for the shared queue. I am using threads heavily in real-time programs and have not seen any memory problems which are related to threads.

In reply to Re: Threads in Perl: Just leaky? by weismat
in thread Threads in Perl: Just leaky? by TheShrike

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