Performance tuning

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Hello,

I have a dual PII 300 box with 512mb of ram and UW2 SCSI drives.

The thing is running sendmail, apache, MySQL, IMAP, and some other misc things at times.

Looks like apache and MySQL are hogging up most of the memory and only leaving me about 70M.

Sceen Scarpe:
14:24:41 up 6 days, 23:56, 3 users, load average: 0.00, 0.00, 0.00
72 processes: 71 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states: 0.1% user 0.0% system 0.0% nice 0.0% iowait 99.4% idle
CPU1 states: 0.3% user 0.2% system 0.0% nice 0.0% iowait 99.0% idle
Mem: 513228k av, 441628k used, 71600k free, 0k shrd, 92792k buff
298708k actv, 96k in_d, 8644k in_c
Swap: 1052216k av, 7568k used, 1044648k free 209188k cached


PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
26684 root 16 0 1180 1180 864 R 0.9 0.2 0:00 1 top
2274 root 17 0 464 336 228 S 0.1 0.0 0:28 1 sshd
1 root 15 0 104 76 52 S 0.0 0.0 0:14 1 init
2 root RT 0 0 0 0 SW 0.0 0.0 0:00 0 migration/0
3 root RT 0 0 0 0 SW 0.0 0.0 0:00 1 migration/1
4 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 keventd
5 root 34 19 0 0 0 SWN 0.0 0.0 0:00 0 ksoftirqd_CPU0
6 root 34 19 0 0 0 SWN 0.0 0.0 0:00 1 ksoftirqd_CPU1
11 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 bdflush
7 root 15 0 0 0 0 SW 0.0 0.0 0:25 0 kswapd
8 root 15 0 0 0 0 SW 0.0 0.0 0:04 1 kscand/DMA
9 root 16 0 0 0 0 SW 0.0 0.0 24:45 0 kscand/Normal
10 root 15 0 0 0 0 SW 0.0 0.0 0:00 1 kscand/HighMem
12 root 15 0 0 0 0 SW 0.0 0.0 0:06 1 kupdated
13 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 mdrecoveryd
19 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 scsi_eh_0
20 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 scsi_eh_1
23 root 15 0 0 0 0 SW 0.0 0.0 0:25 0 kjournald
81 root 24 0 0 0 0 SW 0.0 0.0 0:00 0 khubd
1853 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 kjournald
1854 root 15 0 0 0 0 SW 0.0 0.0 0:00 1 kjournald
2152 root 15 0 240 232 160 S 0.0 0.0 0:04 0 syslogd
2156 root 15 0 176 164 120 S 0.0 0.0 0:00 1 klogd
2174 rpc 15 0 72 4 0 S 0.0 0.0 0:00 0 portmap
2194 rpcuser 25 0 80 4 0 S 0.0 0.0 0:00 1 rpc.statd
2288 root 15 0 424 340 268 S 0.0 0.0 0:00 0 xinetd
2298 root 15 0 96 56 16 S 0.0 0.0 0:00 1 vsftpd
2374 root 15 0 56 40 4 S 0.0 0.0 0:00 0 gpm
2394 root 15 0 164 144 88 S 0.0 0.0 0:02 1 crond
2454 root 15 0 944 536 316 S 0.0 0.1 0:00 1 smbd
2458 root 15 0 1048 640 460 S 0.0 0.1 0:56 1 nmbd
2476 daemon 15 0 172 152 108 S 0.0 0.0 0:00 1 atd
2486 root 15 0 104 88 52 S 0.0 0.0 0:00 0 rhnsd
2499 root 22 0 52 4 0 S 0.0 0.0 0:00 1 mingetty
2500 root 22 0 52 4 0 S 0.0 0.0 0:00 1 mingetty
2501 root 22 0 52 4 0 S 0.0 0.0 0:00 1 mingetty
2502 root 22 0 52 4 0 S 0.0 0.0 0:00 0 mingetty
2503 root 22 0 52 4 0 S 0.0 0.0 0:00 0 mingetty
2504 root 22 0 52 4 0 S 0.0 0.0 0:00 0 mingetty
5091 root 15 0 3636 1508 676 S 0.0 0.2 0:17 1 perl



Can some one point me to some good performance tuning sites or send me some pointers please. Thanks.





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