Wm Brian McCane wrote: >I am having a problem with a new server that I am setting up to host my >UseNet news and email. > >Machine: > 1.26GHz 512MB/L1 Cache > 768MB PC133 Memory > 4x60GB UDMA100 IDE Drives > 4x36GB 160MBit SCSI Drives > >OS: 5.0-CURRENT (yes I know, but I have been CURRENT since 386bsd 0.1) >Software: > INN 2.3.3 > Sendmail w/amavisd milter > ipop3d > >This machine has been running for about 2 months on CURRENT with no >problems, but I recently upgraded the CPU from an 866 to the new one. At >that time, I also planned to replace the motherboard with a new Intel SAI2 >dual processor board, add a 2nd processor and drop in 3x512MB ECC >Registered DIMMs. So I built and installed a more current CURRENT and >added SMP to the config for my kernel. The motherboard was defective, so >I put back in the original board and memory chips, while I wait for the >replacement board. The 2nd night after the build was done, I started >having memory/swap/wired problems. I rebuilt the kernel for UP operation, >but the problems have not gone away. > >Machine averages about 95% idle all day except during news expiration. >For the first day, it averages around 45M wired. 'inn' process is about >137MB RSS. During expiration there is an understandable spike in CPU and >Swap activity. 'expire' process is about 259MB RSS. When the expiration >completes there is about 254MB still wired. The second night it goes to >500+MB wired and the system never finishes expiration before I get a call >that email is down. I have actually gone out and killed every process >running on the machine that I can (including inetd, syslogd, cron, sshd, >sendmail and inn). The wired memory is never released until I reboot the >machine. > The only issue that I've had that remotely resembles that involes CPU usage, not memory. Assuming your statistics are from top(1), can you try 'top -S' to display what system process resources are also? I'm betting it's some system task, since your killing user processes has had no effect. (btw my issue is the "irq10:" task seemingly locked in *Giant state and sucking >50% the CPU/WCPU measure.)
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