I'm 100% sure that your problem is the call recording.
Disable it for some minutes to see for yourself.
Zoa
Bill Gibbs wrote:
Keep us posted! You have a good real world load with some decent
horsepower behind it so it will be interesting to see how your
temporary changes you have planned in the next few days pan out…I
suspect the SOHO switches could be part of the problem.
What is the load on the server?
Bill
* From: * [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] *On Behalf Of *Mitch
Jackson
*Sent:* Tuesday, July 11, 2006 10:44 AM
*To:* [email protected]
*Subject:* [asterisk-users] Server Optimization and Load Balancing
I'm hoping to get some guidance on some of our asterisk growing pains.
Any help is greatly appreciated.
Over the last few months, our call center has grown considerably and
we're now experiencing choppy calls and dropped calls under full
capacity.
We have around a 60/40 outgoing to incoming ratio
At the moment, we've got the following configuration:
Asterisk SVN-trunk-r7230
All calls recorded to disk
External mysql server for CDR + IVR operations
Dual Xeon 2.8 4GB Ram (Dell)
Digium TE210P
2 x PRI lines
72 Ploycom 301P SIP phones using ulaw codec
We have a second identical server ready to offset some of the load,
but we're not sure how to balance the sip phones and configuration
files between the two servers. If we balance the sip registrations
between the two servers, then there's the issues of both servers
having to handle one call via IAX in some situations.
What kind of experiences, problems and solutions have y'all had when
adding servers to your center?
Should we try to have incoming on one server and outgoing on the other?
Should we have both servers capable of handling all the IVR
operations, so the other server doesn't have to?
Should we try to have an identical configuration between both servers
and load balance?
What kind of general optimizations should we look at to improve
network / server performance?
Is there a way to easily register each phone with all asterisk
servers, and have the phone choose a random server to dial, and then
be available as a SIP to each server if it needs to contact it?
Is it a bad idea to register all phones with each server instead of
distributing registration?
-Here's some of the things we're got planned in the next few days:
-Make sure we have all audio files in all codec formats to reduce the
need for transcoding in IVR
-Convert all music on hold from mp3 to native codec formats
-Reduce database operations from within extensions.conf
-Upgrade switches on each set of desks to midrange enterprise 100MB
switches with gigabit uplinks, from SOHO netgear 100MB switches
Thanks,
/mitch
/fidelity reserves
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