Re: Expectations of MEM requirements for a DB with

On Mon, Nov 06, 2000 at 07:45:10PM -0800, Yann Ramin wrote:
> FreeBSD is also one of the only OSes I've seen that
> kick processes (idle ones, i.e., cron, getty, etc) out of memory for kernel
> buffers and disk cache to improve preformance for busier ones.

Linux also does this, and has does this for quite some time:

USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 417 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 418 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 419 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 420 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 421 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 422 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 429 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 430 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
bruce 431 0.0 0.0 2588 0 ? SW Sep06 0:00 [pyhttpd2]
root 432 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 433 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 435 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 440 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 441 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 442 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 443 0.0 0.0 1084 0 ? SW Sep06 0:00 [supervise]
root 714 0.0 0.0 1364 0 ? SW Sep06 0:18 [junkbuster]
root 759 0.0 0.0 3252 0 ? SW Sep06 0:00 [python]
root 782 0.0 0.0 1688 0 ? SW Sep06 0:00 [safe_mysqld]
root 869 0.0 0.0 2196 0 tty1 SW Sep06 0:00 [login]
root 872 0.0 0.0 2196 0 tty4 SW Sep06 0:00 [login]
root 873 0.0 0.0 2196 0 tty5 SW Sep06 0:00 [login]
root 2007 0.0 0.0 2196 0 tty2 SW Sep07 0:00 [login]
root 2010 0.0 0.0 2196 0 tty3 SW Sep07 0:00 [login]
postgres 12527 0.0 0.0 5508 0 ? SW Sep09 0:00 [postmaster]
root 24968 0.0 0.0 2188 0 tty6 SW Sep13 0:00 [login]
lori 26328 0.0 0.0 1712 0 tty1 SW Sep13 0:00 [bash]
root 22233 0.0 0.0 1084 0 ? SW Sep12 0:00 [unixserver]
bruce 19645 0.0 0.0 1976 0 ? SW Sep18 0:00 [vpyadmin-sessio]
root 7411 0.0 0.0 1176 0 ? SW Sep23 0:00 [lpd]
root 31969 0.0 0.0 1120 0 ? SW Sep24 0:00 [inetd]
root 32052 0.0 0.0 2644 0 ? SW Sep30 0:00 [xdm]
root 5925 0.0 0.0 3568 0 ? SW Oct23 0:00 [xdm]
lori 31163 0.0 0.0 1708 0 pts/2 SW Oct27 0:00 [bash]
--
Bruce Guenter <bruceg(at)em(dot)ca> http://em.ca/~bruceg/