[Freeswitch-users] BLF under high load
Guillermo Ruiz Camauer
grcamauer at gmail.com
Wed Mar 10 17:07:53 UTC 2021
>From your description, it sounds like the DB is not keeping up with the
updates FreeSwitch is making. Have you tried tuning the db? More memory,
On Wed, Mar 10, 2021 at 1:16 PM Peter Steinbach <lists at telefaks.de> wrote:
> we have a Freeswitch installation for a multi tenant environment. We have
> extensively tested our Freeswitch for all call scenarios and all worked
> fine. This is the good news.
> However, under higher load (>250 Channels and >6000 Subscriptions),
> presence does not seem to work reliably. I've found some ealier posts on
> this issue, which seem to lead to the following 2 solutions
> - use PostgreSQL (we use Mariadb via ODBC, also tested mod_mariadb,
> which made things worse)
> - Move presence handling to Kamailio
> As your environment is based on MySQL, we do not want to move to
> PostgreSQL without knowing, whether this will improve the situation.
> So far we are catching events via ESL or even grepping the network and
> correct the status of presence informatons sent to the phone. However we
> discover, that even if we send corrected PRESENCE_IN via event socket, our
> Freeswitch keeps on sending the wrong BLF information afterwards to the
> phone. Means BLFs are blinking or in state red event if the watched phone
> is not in a call. So at present we are grepping all presence informations
> on the network, crosscheck this with the channels table and resend the
> corrected BLF status via event_socket if needed. But still this is not
> So I am now asking the community: What is your approach to overcome this?
> - Do newer Freeswitch versions perform better for this case?(Ours is
> "FreeSWITCH Version 1.10.5-release+git~20200818T185121Z")
> - which work have you done to overcome this?
> - does anybody have an idea how to query all internal presence status
> from Freewitch or maybe how to correct it?
> Thank you in advance. Any help is appreciated.
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Guillermo Ruiz Camauer
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