I just ran both scripts on my system copying a 32 MB file locally. I don't have a handy VPN 'd windows share, but it's hard to see how that would make any difference to the perl code action/performance.

In both cases, I saw zero memory growth. For the first script, memory fluctuated between 3.18MB and 3.27MB. For the second, between 3.680MB & 3.8MB. These flutations are simply snapshots as the process creates and destroys threads and are perfectly normal.

Which version of perl are you using?

Does it make any difference whether you copy the file locally?

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In reply to Re: Lots of memory usage with fork&copy by BrowserUk
in thread Lots of memory usage with fork&copy by andreidf

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