We're running a 6400 (cat /proc/cpuinfo only returns a single 733 Mhz
CPU but I'm sure it's a dual cpu machine. Perhaps it's not running SMP)
with 83 registered SIP phones. We are running ulaw/alaw, with a TE405P
linked to a E1 EuroISDN. Oh, and we've only got 512MB memory. We have 4
call queues, 45 agents and all agent calls are recorded (but not mixed).
The OS is fedora core 1.
We do not have any performance problems (although we are using swap too
much - more memory would be good). We have a 3ghz 4gb memory machine
waiting to be brought on line.
So - we are simply not having the same performance problems that you
seem top be having.
I've included a shot of top, but this is with no-one online (everyone's
gone home!)
22:14:47 up 74 days, 10:17, 2 users, load average: 0.00, 0.00, 0.00
56 processes: 55 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 0.1% 0.0% 0.3% 0.0% 0.0% 0.0% 99.4%
Mem: 514660k av, 499512k used, 15148k free, 0k shrd, 44912k
buff
74636k active, 92196k inactive
Swap: 1044216k av, 10272k used, 1033944k free 90904k
cached
Julian.
Matthew Boehm wrote:
Here is the setup: Dell 6250, Quad Proc P3 500Mhz. Digium Single Span T1
card. System has 71 sip peers/users. All calls are G729; we have 10
licenses. All calls follow this path: UA -> Asterisk -> Digium PRI ->
Class4/5 switch. The switch dictates if it should go out local PRI for
local termination or out PRI to our Cisco AS5300 for LD termination.
Our biggest problem is echo. Sometimes there is none, sometimes there is
A LOT, sometimes there is a little. Sometimes it happens on local
PRI->PRI calls, sometimes it happens on Voip->voip calls.
I've been watching 'top' again. I witnessed the CPU usage on Asterisk
jump to and stay at 47% with 4 calls up. Then it fell back to 1% with
those same 4 calls about 10 seconds later.
I'm very dissapointed in this. Is this what I can expect? I still can't
grasp why asterisk is not using the other 3 processors to better its
performance.
But then again, reading Digium's new benchmarks for their new card this
sorta fits. They benched a dual 3Ghz Xeon and got 120 G729->PRI calls.
Another thing is "QUALIFY" problems. All our SIP users are on T1's that
are directly connected to our network. All our customers' T1 come
straight to our Cisco 7206. Our asterisk box is on a Catalyst switch
also connected to the router. All but 15 of the 71 peers we have, have
qualify turned on; Mostly because I need the NAT keep-alive. All day
long I will get "Too Lagged" or "Unreachable" on UAs then several
seconds later they come back. Could this be overloading cpu? Seems this
could be put onto another proc.
Some of that is rant; some is pure concern. Is anyone else experiencing
similiar stuff?
-Matthew
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