Date: Fri, 30 Jan 2004 16:10:41 -0800 (PST) From: dpk <dpk@dpk.net> To: questions@freebsd.org Subject: Memory leak on 5.1-RELEASE? Message-ID: <Pine.BSF.4.58.0401301550310.98773@shared10.hosting.flyingcroc.net>
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(I'm not a member of the list; please Cc me on any replies.) We're running Apache 1.3.28 on a 5.1-RELEASE machine. It's a Dell PE 2650 w/ 2GB RAM. The site contains a lot of large files (multi-megabyte) - otherwise there's nothing unusual running. The Active memory use, according to top, seems rather high: last pid: 21487; load averages: 0.19, 0.33, 0.32 up 2+16:45:20 15:52:21 76 processes: 1 running, 75 sleeping CPU states: 0.5% user, 0.0% nice, 4.0% system, 1.4% interrupt, 94.2% idle Mem: 1413M Active, 187M Inact, 299M Wired, 93M Cache, 112M Buf, 2632K Free Swap: 1024M Total, 21M Used, 1003M Free, 2% Inuse We can't seem to get the Active number down much, even after stopping Apache it still stays around 1100M. There's no shared memory in use, and nothing in vmstat -m seems to indicate where the "missing" memory is. top, sorting by "size", does not indicate anything unusual either. sysctl vm.vmtotal says: vm.vmtotal: System wide totals computed every five seconds: (values in kilobytes) =============================================== Processes: (RUNQ: 1 Disk Wait: 0 Page Wait: 0 Sleep: 76) Virtual Memory: (Total: 8172K, Active 636472K) Real Memory: (Total: 2051312K Active 389176K) Shared Virtual Memory: (Total: 16436K Active: 11760K) Shared Real Memory: (Total: 6004K Active: 4436K) Free Memory Pages: 79228K whereas on other servers, the Real Memory "Active" number seems to match the one found in top, on this one it is about 1GB lower. A similar machine running Apache on 5.1-R, generally serving smaller files, has the same problem in a smaller scale (about 640M even when Apache is stopped). Are there any other data that I should send to help diagnose this problem, or any programs I can run to try and track this stray memory use down? - dpk
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