[gnu.smtp]

Originally Posted by NiteWave

the default swap is /tmp/lshttpd/swap

I have changed this to /tmp/lshttpd/swap. But we have problems with cron/script clearing swap directory also.

Originally Posted by NiteWave

is your /tmp NFS ? it may be very slow per some of our past experience.
if so, better to use local disk as /tmp

all drives on the server are local.

Originally Posted by NiteWave

also, please run iostat to check if some of hard disks have high i/o wait issue.

IO wait goes a bit high when the script/cron runs. But this affects only httpd service. Also we are unable to switch to apache when the issue occurs.

Thank you.