Date: Tue, 29 Apr 1997 18:11:15 -0700 (PDT) From: Tom Samplonius <tom@uniserve.com> To: Randy Terbush <randy@zyzzyva.com> Cc: John Hay <jhay@zibbi.mikom.csir.co.za>, dg@root.com, freebsd-stable@FreeBSD.org Subject: Re: Memory usage on NFS server Message-ID: <Pine.NEB.3.95.970429180718.11772k-100000@haven.uniserve.com> In-Reply-To: <199704300051.TAA05475@sierra.zyzzyva.com>
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On Tue, 29 Apr 1997, Randy Terbush wrote: > This behavior has been observed with Apache 1.2 throughout the > development cycle through 1.2b10 (just released). Definitely not true for earlier versions. I've got Apache 1.0.5 running on a 2.1-stable system here for over 183 days. It is only mildly busy though: 70,000 access_log entries in 24 hours. No evidence of this memory leak here. Tom > > On Tue, 29 Apr 1997, Randy Terbush wrote: > > > > > > > > For the record, I've seen the same behavior on a machine whose > > > primary job is webservices. This is both for 2.1.7 and 2.2.1. > > > The swap will be freed by killing and restarting the webservers. > > > > > > The machine in question has 64MB RAM and 150MB swap. > > > > > > The webserver is Apache. > > > > Both inn and apache used mmap'ed memory. When a process mmaps a shared > > file, to what process is the memory usage associated with? > > > > It could be what you are seeing here is a mmap() leak in these > > applications, and that mmap'ed memory is not associated with any process. > > > > Which version of apache? Which version of inn? > > > > Tom > > > > > > > > Do the numbers that top and ps show for per process memory usage also lie? > > > > What I see here on my news server, is that I run out of swap (256M), but > > > > according to top and ps a rough calculation of the total of all the > > > > processes is less than half that. Inn then typically show a usage of > > > > ~70M according to top, but as soon as I kill and restart it the swap usage > > > > go down to ~5M. I once even added a 128M vn swapfile and it filled that > > > > also without inn showing a usage of more than 70M, but killing and > > > > restarting it takes the swap usage down to ~5M. > > > > > > > > John > > > > -- > > > > John Hay -- John.Hay@mikom.csir.co.za > > > > > > > > > > > > > > > >
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