[Freeswitch-users] XML_CURL max connection limit

Muhammad Shahzad shaheryarkh at gmail.com
Thu Jun 6 02:15:24 MSD 2013


I found this, which may indicate the error is due to CURL timeout.

http://jira.freeswitch.org/browse/FS-428?page=com.atlassian.jira.plugin.system.issuetabpanels:changehistory-tabpanel

Thank you.




On Wed, Jun 5, 2013 at 11:21 PM, Muhammad Shahzad <shaheryarkh at gmail.com>wrote:

> I have been trying for about 3 hours now but still not sure what is
> happening. In SIPp, there are new calls created and old ones hang up at
> every instant, so i see HTTP Error 0 when calls climb over 1638 and then
> immediately when some calls hang up everything starts working normal again,
> then SIPp generates more call and again i get this error. Its pretty
> difficult to identify if failed hit is in the trace or not. I will debug
> more tomorrow.
>
> Thank you.
>
>
>
> On Wed, Jun 5, 2013 at 9:04 PM, Cal Leeming [Simplicity Media Ltd] <
> cal.leeming at simplicitymedialtd.co.uk> wrote:
>
>> Ah sorry, I had assumed this was already confirmed - good catch Michael.
>>
>> As said above, if you have not confirmed this already, then you will need
>> to do so before moving on.
>>
>> Cal
>>
>> On Wed, Jun 5, 2013 at 7:57 PM, Michael Jerris <mike at jerris.com> wrote:
>>
>>> Did you get to confirm if the request was really going to the server or
>>> not?  If it is not, then all of the other suggestions above are completely
>>> invalid.
>>>
>>> On Jun 5, 2013, at 10:16 AM, Muhammad Shahzad <shaheryarkh at gmail.com>
>>> wrote:
>>>
>>> The request does not comes to web server, at least this is what i see in
>>> web server logs. I will run a trace and see if it actually is sent out to
>>> web server or not.
>>>
>>> Thank you.
>>>
>>>
>>> On Wed, Jun 5, 2013 at 4:06 PM, Michael Jerris <mike at jerris.com> wrote:
>>>
>>>> Is the request going to your server and getting no response?
>>>>
>>>> On Jun 5, 2013, at 9:50 AM, Muhammad Shahzad <shaheryarkh at gmail.com>
>>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> Is there any connection limit perhaps hard coded anywhere in xml_curl
>>>> module? I am load testing FS with xml_curl to provide config, directory and
>>>> dial-plan. I observed i start getting HTTP ERROR 0 when i have around 1600
>>>> concurrent calls on machine with media. Although i see no sign of system
>>>> overload either on FS (load average < 1.8) or Apache (load average < 4,75).
>>>> Both have plenty of RAM and bandwidth free.
>>>>
>>>> Is there anyway to get rid of this HTTP ERROR 0? It must be generated
>>>> by FS internally, since i don't see anything like this error in Apache logs.
>>>>
>>>> Below 1,638 concurrent calls @ 50 CPS, i get success rate of 99.999%
>>>> but as soon as it crosses this mark, success rate drastically drops to 60%
>>>> and even below (when concurrent calls go beyond 2,000). Here is error
>>>> console log.
>>>>
>>>> ###################################################
>>>> 2013-06-05 18:09:13.591229 [ERR] mod_xml_curl.c:310 Received HTTP error
>>>> 0 trying to fetch http://172.16.171.61/vm-users.php
>>>> data:
>>>> [hostname=vms01&section=directory&tag_name=domain&key_name=name&key_value=10.1.3.2&Event-Name=GENERAL&Core-UUID=84c917dc-cdde-11e2-9bb2-8b779d6a4e97&FreeSWITCH-Hostname=vms01&FreeSWITCH-Switchname=vms01&FreeSWITCH-IPv4=10.1.3.2&FreeSWITCH-IPv6=%3A%3A1&Event-Date-Local=2013-06-05%2018%3A09%3A03&Event-Date-GMT=Wed,%2005%20Jun%202013%2013%3A09%3A03%20GMT&Event-Date-Timestamp=1370437743591210&Event-Calling-File=mod_voicemail.c&Event-Calling-Function=resolve_id&Event-Calling-Line-Number=1350&Event-Sequence=1776930&action=message-count&key=id&user=989000049598&domain=10.1.3.2]
>>>> ###################################################
>>>>
>>>> Although this setup is more then sufficient for my requirement but i
>>>> just want to know if i can extend it beyond, since i still have lot of
>>>> resources free.
>>>>
>>>> OS: Debian 6.0.7 x64
>>>> Apache: 2.2.16
>>>> FreeSWITCH: 1.5.1b+git~20130424T005233Z~66d1755b06
>>>>
>>>> Both FS and Apache are running on separate dedicated machines on same
>>>> LAN.
>>>>
>>>> Thank you.
>>>>
>>>>
>>>
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>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>>
>
>
> --
> Mit freundlichen Grüßen
> Muhammad Shahzad
> -----------------------------------
> CISCO Rich Media Communication Specialist (CRMCS)
> CISCO Certified Network Associate (CCNA)
> Cell: +49 176 99 83 10 85
> MSN: shari_786pk at hotmail.com
> Email: shaheryarkh at googlemail.com
>



-- 
Mit freundlichen Grüßen
Muhammad Shahzad
-----------------------------------
CISCO Rich Media Communication Specialist (CRMCS)
CISCO Certified Network Associate (CCNA)
Cell: +49 176 99 83 10 85
MSN: shari_786pk at hotmail.com
Email: shaheryarkh at googlemail.com
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