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regs at kinetix.gr
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 Posted: Wed Jul 01, 2009 5:23 am Post subject: [Freeswitch-users] Testing Freeswitch performance led to str |
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I am writing this to let you know that this behavior
persists in the 1.0.4pre9.
Could the calls/sec issue be due to the single threaded nature of Sofia?
Because I am getting the feeling that the number of simultaneous
channels doesn't really burdens FS, but many Calls/sec does.
Apostolos Pantsiopoulos wrote:
| Quote: | Anthony Minessale wrote:
| Quote: | FS uses async rtp timers so you may want to set rtp-timer-name=none in
the profile param to simulate asterisk conditions.
|
I tried that - although I am not using rtp in my scenario - with the
same results.
| Quote: | Also keep in mind that asterisk as an atvantage in a tiny crappy 32 bit
single cpu box because that was what was popular when it was designed
and the chance for race conditions is minimal because there is only 1
cpu. As you scale up to a 8 core 64 bit xeon you will set a drastic
difference.
|
Yes I know that this machine is not well suited for today's test needs.
But the issue occurs in every machine as long as it is pushed near (but
not quite near) to its limits. I have the same odd durations using a 64
bit low end server. In this case I could achieve a better call/sec rate
than that of the crappy PC but around 50-60 calls/sec the same problem
showed up. I also used a Mosso Cloud Server (quad core - 64-bit) and the
same thing happened at a higher rate.
| Quote: | I will be happy to investigate this issue a bit if you'd like but i do
not have any box like you describe so if I can't find anything
you may have to lend us your lab.
|
I would appreciate it if you did. After all there this might be a
problem that has not surfaced yet but someday will as more and more
production boxes start using FS. So it would be better to investigate it
now.
I don't think lending you access to my old P4 PC would help you very much 
If you have access to a normal 2-4 core system you can easily start
raising the sipp parameters until it starts happening. However if you
really think it is appropriate to use my test machines I'd be happy to
grant access to our low-end Opteron machine (just send me a personal
email). I cannot grant you access to larger systems because they are
used in production.
I used the embedded sipp scenarios :
on the UAS side :
sipp -i <UAS_IP> -mi <UAS_IP> -ci <UAS_IP> -mp 8000 -sn uas
on the UAC side :
sipp <FS_IP>:5060 -s 44050505-i <UAC_IP> -mi <UAC_IP> -ci <UAC_IP> -r 70
-d 5000 -l 500 -m 2000 -sn uac
The dialplan :
<?xml version="1.0" encoding="utf-8"?>
<!-- http://wiki.freeswitch.org/wiki/Dialplan_XML -->
<include>
<context name="mydialplan">
<extension name="dial1">
<condition field="destination_number" expression="(^.*)$">
<!-- Dial Back -->
<action application="set"
data="absolute_codec_string=PCMU"/>
<!-- <action application="set"
data="proxy_media=true"/> -->
<action application="bridge"
data="sofia/gateway/sipp01/$1"/>
</condition>
</extension>
</context>
</include>
If you need anything else from the config just notify me.
In order to verify that at some point the calls start having a
duration larger than the scenario's 5secs you can tcpdump on the sipp
machine or turn on the cdrs logging (I know that it degrades
performance, but as I said it is not a matter of when exactly it
starts happening, it is a matter that it DOES start happening).
| Quote: |
On Thu, Jun 4, 2009 at 12:47 PM, regs@kinetix.gr
<mailto:regs@kinetix.gr> <regs@kinetix.gr <mailto:regs@kinetix.gr>> wrote:
Michael Collins wrote:
| Quote: |
The dialplan :
<?xml version="1.0" encoding="utf-8"?>
<!-- http://wiki.freeswitch.org/wiki/Dialplan_XML -->
<include>
<context name="mydialplan">
<extension name="dial1">
<condition field="destination_number"
expression="^.*$">
You forgot the parens around .*
It should be expression="^(.*)$" if you plan to use $1 later in the
extension...
<!-- Dial Back -->
<action application="set"
data="absolute_codec_string=PCMA"/>
<action application="bridge"
data="sofia/gateway/sipp01/$1"/>
... like here ^^^^^^^
-MC
|
You are right! Although, I don't think that would change the outcome of
my test
| Quote: |
</condition>
</extension>
</context>
</include>
|
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--
Anthony Minessale II
FreeSWITCH http://www.freeswitch.org/
ClueCon http://www.cluecon.com/
AIM: anthm
MSN:anthony_minessale@hotmail.com
<mailto:MSN%3Aanthony_minessale@hotmail.com>
GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com
<mailto:PAYPAL%3Aanthony.minessale@gmail.com>
IRC: irc.freenode.net <http://irc.freenode.net> #freeswitch
FreeSWITCH Developer Conference
sip:888@conference.freeswitch.org
<mailto:sip%3A888@conference.freeswitch.org>
iax:guest@conference.freeswitch.org/888
<http://iax:guest@conference.freeswitch.org/888>
googletalk:conf+888@conference.freeswitch.org
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pstn:213-799-1400
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--
-------------------------------------------
Apostolos Pantsiopoulos
Kinetix Tele.com R & D
email: regs@kinetix.gr
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