I have a similar setup(Tyan MB, Dual opteron etc). It's not the
CPU's that your going to run up against, it's the bandwidth to your
hard drives.
You will probably need to use a memory filesystem and transfer to
hard drives after recording is finished.
Unfortunately some of the tyan dual opteron boards don;t like non
registered memory despite what the manual says. Memory filesystem
with registered memory is gonna be expensive.
-bill
On 4-Jun-06, at 3:48 PM, Erick Perez wrote:
Our company will get a dual core dual cpu opteron with 2gb ram on a
Tyan Board.
The goal is to try to achieve a doing 400 channels ulaw at the same
time while recording the calls.
The setup is this:
200 sip phones-----------asteriskx86_64-------internet-----sip
terminator ulaw
since it's a call center we will employ either app_meetme or
app_conference to link the calls.
The machine can be installed with centos 4.3 or Solaris 10 to do the
test. there is a X100P that can be used in the Centos4.3 but Solaris
does not have zaptel drivers yet (or do they??)
It may be a little optimistic but trying is the only way to get
results.
On 6/4/06, Joseph Benden <[EMAIL PROTECTED]> wrote:
Hello,
I have Asterisk running on Solaris 10 on both Sparc and AMD. The
performance of the system is greater on Solaris compared with
Linux, due to
many factors. The most gains are received when using mtmalloc
library.
Here's a link to a report I've done. However, do keep in mind
that the
numbers mean nothing about _real_ call concurrency amounts, but
rather serve
to show the difference in performance of the two operating systems.
However, the numbers do show that you can do more on Solaris than
Linux.
The actual real world number of concurrent calls is totally
dependent on
what the VoIP operator is trying to accomplish (ie: echo cancel,
codecs,
transcoding, etc.) The biggest downside to Solaris is the lack of
a kernel
driver for Zaptel hardware. However; this is something I'd like
to work on.
http://www.thrallingpenguin.com/articles/asterisk-solaris.htm
-Joe
Thralling Penguin LLC
On Sun, 2006-06-04 at 21:02 +0200, Tomer Horn wrote:
I'm curious if anyone is running Asterisk on Sun Fire T2000 or
similar
UltraSPARC T1 servers.
Or maybe generally running Asterisk over Sparc in production
environment.
Anyone? Any comments about performance using Sparc?
Kevin P. Fleming wrote:
----- Sergey Kuznetsov <[EMAIL PROTECTED]> wrote:
Can you share your expectations how many G729 transcodings can be
done
on dual dual-core Opterons or P4 with 4 Gb of memory on SIP-to-SIP
environments ( no TDM or echocancelers involved)
My guess is about 250-300 simultaneous calls.
I don't have any first-hand experience, as we don't do performance
benchmarking like that.
In any case, the amount of memory will make no difference at all.
The clock
speed of the CPUs and the speed of the memory bus will be the
determining
factors, so realistically I would expect the Opterons to perform
better than
P4s due to their much more efficient memory subsystem.
However, I can say that I doubt any existing PC-type platform will
be able
to achieve 250 or 300 simultaneous G.729 transcodes; any single
box that
could handle that would cost far more than a pair of lower-
performance
systems to do the same thing (think scaling horizontally, not
vertically).
In addition, when Digium releases the hardware G.729 transcoder
board in the
near future this will become less of an issue for deployments of
that size.
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-------------------------------------------
Erick Perez
Linux User 376588
http://counter.li.org/ (Get counted!!!)
Panama, Republic of Panama
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