On Thu, Dec 24, 2009 at 2:02 PM, Alex Balashov <abalashov@evaristesys.com> wrote:

On 12/24/2009 06:59 AM, Henning Westerholt wrote:

On Wed, December 23, 2009 9:52 am, alex pappas wrote:

In the server I'm running Kamailio I have a good CPU(4 cores) and 2G
memory but for reading or writing to the disk i have a big problem.Is a
blade server with very bad disk which they do also software raid 1. Even
if I try to write in the log file of kamailio I get such a high load
that I cannot pass the 10 CPS.

Hey Alex,

ok, this is indeed a really bad disk. :) Regarding the slow logging, you
could check the syslog configuration if its configured to write
asynchronously (there should be a "-" in front of the log statement in
syslog.conf). And also check if you perhaps not use a to high log level in
the kamailio cfg.

Oh, so that's what the '-' does. Thanks Henning, one learns something new every day from you. :-)

Alex - this server is not a Dell Poweredge 2850/2950 with a PERC 5i, is it? I have run into a bug on a few of these where I/O causes enormous blocking/waiting, and discovered it by turning off syslogging and watching the 'waiting' portion of the load to go down. It was necessary to replace the defective PERC to fix the problem.

--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671

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