<div dir="ltr">Unfortunately <span class="gmail-m_8030056420491874689gmail-il" style="font-size:12.8px;background-color:rgb(255,255,255)">Freeswitch</span><span style="font-size:12.8px"> does not yet support </span><span style="font-size:12.8px">RFC 4662 aka <span class="gmail-m_8030056420491874689gmail-il">BLF</span> Resource Lists. I would recommend you look at Kamiliio or Asterisk which both support </span><span style="font-size:12.8px">support RFC 4662, and should significantly reduce your BLF load. Info:</span><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"><br></span></div><div><div style="font-size:12.8px">Asterisk does: <a href="https://wiki.asterisk.org/wiki/pages/viewpage.action?pageId=30278158" target="_blank">https://wiki.asterisk.<wbr>org/wiki/pages/viewpage.<wbr>action?pageId=30278158</a> They have a good overview page</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Kamillio does: <a href="https://kamailio.org/docs/modules/3.2.x/modules_k/rls.html" target="_blank">https://kamailio.org/<wbr>docs/modules/3.2.x/modules_k/<wbr>rls.html</a></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Good info from Grandsteam about why to use this: <a href="http://www.grandstream.com/sites/default/files/Resources/GXP21x0_Eventlist_BLF_Guide.pdf" target="_blank" style="font-size:12.8px">http://www.grandstream.<wbr>com/sites/default/files/<wbr>Resources/GXP21x0_Eventlist_<wbr>BLF_Guide.pdf</a></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Same with Polycom: <a href="http://community.polycom.com/polycom/attachments/polycom/VoIP/19112/1/Technical%20Brief%20-%20Busy%20Lamp%20Field.pdf" target="_blank" style="font-size:12.8px">http://community.<wbr>polycom.com/polycom/<wbr>attachments/polycom/VoIP/<wbr>19112/1/Technical%20Brief%20-%<wbr>20Busy%20Lamp%20Field.pdf</a></div><div><br></div><div>How do we make this a feature request for Freeswitch?</div><div><br></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"><br></span></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Nov 24, 2017 at 4:00 AM, Shaun Stokes <span dir="ltr"><<a href="mailto:shaun.stokes@itec-support.co.uk" target="_blank">shaun.stokes@itec-support.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Performance using PostgreSQL seems better but possibly too soon to tell, however we now have the ability to analyse the data and have identified that there is one domain that accounts for over 90% of the entries (over 12000, 11000 of which are presence) in our sip_subscriptions table. All domains use presence but others typically have around 100 entries in sip_subscriptions.<br>
<br>
If the bottleneck was the DB file then PostgreSQL should have solved this, but I'm still concerned by the number of presence events in our sip_subscriptions table. How many presence events does FreeSWITCH support in the sip_subscriptions table? Are there are any other recommendations to get the best performance out of FreeSWITCH in this scenario?<br>
<br>
We have 32 logical cores (8 physical) but CPU usage rarely goes above 10%.<br>
<br>
Thanks,<br>
Shaun<br>
______________________________<wbr>__________<br>
From: FreeSWITCH-users [<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@<wbr>lists.freeswitch.org</a>] on behalf of Shaun Stokes [<a href="mailto:shaun.stokes@itec-support.co.uk">shaun.stokes@itec-support.co.<wbr>uk</a>]<br>
Sent: 23 November 2017 09:45<br>
To: FreeSWITCH Users Help<br>
<div class="HOEnZb"><div class="h5">Subject: Re: [Freeswitch-users] Presence BLF problems on FreeSWITCH 1.6.19<br>
<br>
Thanks, will give that a try and provide some feedback.<br>
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From: FreeSWITCH-users [<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org">freeswitch-users-bounces@<wbr>lists.freeswitch.org</a>] on behalf of António Silva [<a href="mailto:asilva@wirelessmundi.com">asilva@wirelessmundi.com</a>]<br>
Sent: 23 November 2017 09:32<br>
To: <a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.<wbr>freeswitch.org</a><br>
Subject: Re: [Freeswitch-users] Presence BLF problems on FreeSWITCH 1.6.19<br>
<br>
Hi,<br>
<br>
We had the same problem using sqlite files as core db, under heavy load<br>
sqlite backend is not that fast... switching it to postgresql solved the<br>
issue.<br>
<br>
Hope it helps.<br>
<br>
<br>
On 11/23/2017 10:15 AM, Shaun Stokes wrote:<br>
> Does anyone have experience with presence on FreeSWITCH when under load? We've considered offloading presence to a Kamailio proxy but it would great if we could understand the limitations of presence on FreeSWITCH and recommended configuration for best performance under load.<br>
><br>
> We've been experiencing issues with presence (BLF) intermittently not working or being delayed by 5 minutes or more. The BLF lights may show an extension as available when they're on the phone, as ringing when they're available etc. This problem can only be re-produced on a system which has been under load but it doesn't occur immediately unless the system has been running for a couple of weeks. This effects multiple SIP profiles in a multi-tenant (multi domain) environment with roughly 800 registrations, 500 registrations on one SIP profile and 300 on another.<br>
><br>
> The FreeSWITCH DB files use a 512MB RAM disk and we've balanced extensions across multiple SIP profiles using separate (not shared) DB files to distribute load.<br>
><br>
> What we've noticed is the internal DB files (i.e. sofia_reg_internal.db) appear to increase exponentially over time after roughly 22MB we often start to run into problems with presence while the system is under load, restarting FreeSWITCH and flushing the internal DB files clears the problem.<br>
><br>
> Interestingly we didn't have this problem on FreeSWITCH 1.4<br>
><br>
> We've recently adjusted the following settings on our internal SIP profiles and are continuing to monitor:<br>
> force-subscription-expires [900] -> [1800]<br>
> sip-subscription-max-deviation [300] -> [600]<br>
> max-proceeding [1000] -> [5000]<br>
> initial-event-threads [2] -> [4]<br>
><br>
> Here is a snippet of our internal SIP profile configuration:<br>
> nonce-ttl [60]<br>
> outbound-codec-prefs [G722,PCMA,H264]<br>
> pass-rfc2833 [true]<br>
> record-path [/path/freeswitch/recordings]<br>
> record-template [${domain_name}/archive/${<wbr>strftime(%Y)}/${strftime(%b)}/<wbr>${strftime(%d)}/${uuid}.${<wbr>record_ext}]<br>
> multiple-registrations [contact]<br>
> inbound-reg-force-matching-<wbr>username [true]<br>
> inbound-reg-in-new-thread [true]<br>
> initial-event-threads [4]<br>
> local-network-acl [localnet.auto]<br>
> manage-presence [true]<br>
> unregister-on-options-fail [true]<br>
> tls-version [tlsv1.2]<br>
> tls-cert-dir [/path/freeswitch/certs]<br>
> tls-bind-params [transport=tls]<br>
> tls [true]<br>
> stun-enabled [false]<br>
> stun-auto-disable [false]<br>
> sip-trace [no]<br>
> sip-subscription-max-deviation [600]<br>
> sip-port [xxxx]<br>
> sip-ip [x.x.x.x]<br>
> sip-force-expires [900]<br>
> sip-expires-max-deviation [300]<br>
> sip-capture [no]<br>
> rtp-timeout-sec [0]<br>
> rtp-timer-name [soft]<br>
> rtp-ip [x.x.x.x]<br>
> rtp-hold-timeout-sec [0]<br>
> tls-verify-in-subjects []<br>
> tls-verify-depth [2]<br>
> tls-verify-date [true]<br>
> tls-sip-port [xxxx]<br>
> tls-passphrase []<br>
> tls-only [false]<br>
> inbound-codec-prefs [G722,PCMA,H264]<br>
> inbound-codec-negotiation [greedy]<br>
> log-auth-failures [true]<br>
> user-agent-string [FreeSWITCH]<br>
> watchdog-enabled [no]<br>
> watchdog-event-timeout [30000]<br>
> watchdog-step-timeout [30000]<br>
> ext-rtp-ip [x.x.x.x]<br>
> accept-blind-auth [false]<br>
> accept-blind-reg [false]<br>
> aggressive-nat-detection [true]<br>
> apply-inbound-acl [domains]<br>
> apply-nat-acl [nat.auto]<br>
> auth-all-packets [false]<br>
> auth-calls [true]<br>
> challenge-realm [auto_from]<br>
> context [public]<br>
> debug [0]<br>
> dialplan [XML]<br>
> dtmf-duration [2000]<br>
> dtmf-type [rfc2833]<br>
> enable-timer [true]<br>
> ext-sip-ip [x.x.x.x]<br>
> registration-thread-frequency [240]<br>
> rfc2833-pt [101]<br>
> force-subscription-expires [1800]<br>
> forward-unsolicited-mwi-notify [false]<br>
> hold-music [local_stream://default]<br>
> nat-options-ping [true]<br>
> NDLB-force-rport [safe]<br>
> max-proceeding [5000]<br>
><br>
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--<br>
Saludos / Regards / Cumprimentos<br>
António Silva<br>
<br>
<br>
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