Date: Mon, 28 Oct 1996 19:57:03 +0000 (GMT) From: Rob Hartill <robh@imdb.com> To: freebsd-questions@freebsd.org Subject: server death when swap space is all gone. Message-ID: <199610281957.TAA10074>
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A couple of time now I've seen Freebsd (2.1.0 and 2.1.5-STABLE) collapse into a smouldering mess after user processes consume all available swap space. A web server went belly up last night because of this. Why can't the OS recover from this ?. The memory hungry processes die off eventually, but instead the machine locks up and needs to be rebooted. On a related note, a Linux using friend takes pleasure in telling me that FreeBSD is brian-dead w.r.t memory management because it can't diff a couple of 20Mb files on a machine with ample memory and swap (combined). Are there any kernel tweaks in the area that could be useful ? thanks. rob
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