Re: [users@httpd] high load average on Apache 1.3 hosting 8000 conc. users forum

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Joshua,
swap space is always almost free (148k used) and memory is not being fully used (1919572k free as I'm writing this email)
all the processes showing in top are "httpd"s the first 11 processes usually use 10-> 50% CPU usage, but those httpd rotate, and new ones appear.

Eugene,
as mentioned before, my machine doesn't hit swap (148k swap used) which i think is not worth mentioning.
How good is Turck mmCache?

Sincerely,
--
devnull@xxxxxxxxxxxxxx <devnull@xxxxxxxxxxxxxx>
--- Begin Message ---
On 1/29/06, devnull@xxxxxxxxxxxxxx <devnull@xxxxxxxxxxxxxx> wrote:
>            Hello Joshua,
>  Well the issue is that at peak times, the server doesn't respond, typing in SSH becomes sometimes slow, memory usage is fairly used (4GB of rams). The machine is a dual xeon 3.0 / SCSI hard disks. What do you mean by "disks maxed out" ?
>
>  Mainly VBulletin is a php script. I don't serve much static html files. How can php be tuned to optimize its performance?

The most likely causes of problems are either being out of memory (and
therefore thrashing your disk with swap activity) or having disks that
cannot keep up with the read/write load.  Check to see what your
processes are doing and what your memory load is using tools like
"top".

Joshua.

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