[Freeswitch-users] Pushing CDR Information into Zeromq

[Michael Giagnocavo]

But 0MQ is just the transport. You still need a broker to persist messages, participate in transactions, and so on. That’s what I was referring to, not just the transport layer acknowledgements. So if you’re just taking CDRs from FS memory and sending them out over 0MQ, what if the other side is down? In that case, aren’t you risking a lot of data, should something happen before the receiver gets up and saves all the CDRs? 0MQ isn’t really an alternative to a broker like RabbitMQ or SSSB.

CDRs should be going to a local, durable, message queue. This doesn’t mean that you need to hit disk; the messages can stay in RAM for a few seconds, under the assumption that during normal ops, they’ll get delivered immediately and there’s no need for local persistence. But when something breaks, then the CDRs can just pile up on disk, and get pumped out whenever things stabilize.

Am I missing something?

-Michael

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of João Mesquita
Sent: Thursday, July 05, 2012 3:09 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Pushing CDR Information into Zeromq

Michael,

You are partially correct because it depends on the socket type you use on ZeroMQ. Since the socket implemented on mod_zmq is a simple PUB/SUB, yes, messages would be discarded if they are not received by the other end. If we would use a XREQ/XREP then it would be queued until you are able to receive them.

--
João Mesquita
Sent with Sparrow<http://www.sparrowmailapp.com/?sig>


On Thursday, July 5, 2012 at 3:08 PM, Michael Giagnocavo wrote:

Wouldn’t the problem with ZeroMQ be no reliable delivery of CDRs? I was under the impression that 0MQ was more for high-performance, and things like guaranteed delivery are left as an exercise to the user.

-Michael



From: freeswitch-users-bounces at lists.freeswitch.org<mailto:freeswitch-users-bounces at lists.freeswitch.org> [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of João Mesquita
Sent: Thursday, July 05, 2012 9:56 AM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Pushing CDR Information into Zeromq



I haven't actually looked at the code, but you have to look at the variables on CHANNEL_REPORTING for example. There you will see all the vars needed to produce CDR entries, but they won't be on XML format like xml_curl would create.



Regards,



--

João Mesquita

Sent with Sparrow<http://www.sparrowmailapp.com/?sig>



On Thursday, July 5, 2012 at 10:37 AM, Neo Cheema wrote:

Hi all,



I was hoping to find a way to push CDR information into a queue.

Zeromq comes out as an obvious choice because mod_event_zmq already

exits. However, I can't find a way to configure this module to push

CDR info. Have any of you guys tried it?



Regards



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