Actually that is better i think ; is there any optimization tool i have added 2 more gb ram but it is still locking server :S top - 13:11:13 up 33 min, 2 users, load average: 29.96, 13.75, 10.97 Tasks: 280 total, 40 running, 236 sleeping, 0 stopped, 4 zombie Cpu(s): 61.1%us, 34.2%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.3%hi, 4.4%si, 0.0%st Mem: 3090588k total, 2481096k used, 609492k free, 16068k buffers Swap: 2064376k total, 22796k used, 2041580k free, 274104k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 4331 root 18 0 169m 131m 764 S 0.0 4.3 0:01.75 /usr/sbin/clamd 4228 mysql 15 0 356m 53m 3904 S 24.0 1.8 5:42.20 /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mys 2010/4/13 Hakan Koseoglu <hakan at koseoglu.org> > Cahit, > 2010/4/13 cahit Eyigünlü <cahit.eyigunlu at gmail.com>: > > My server returning an error sth. like swap = 0 then locking httpd and > all > Set up a monitoring tool like sar etc. or my favourite, nmon with > capacity planning. Depending on what those 4k users are doing, you > might be running out of RAM + swap space until the out-of-memory > killer kicks in and frees up some space by killing some processes. You > should be able to see that activity in the message logfile. > -- > Hakan (m1fcj) - http://www.hititgunesi.org > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100413/6b457183/attachment-0004.html>