[SR-Users] Increasing MAX_RECV_BUFFER_SIZE

Muhammad Shahzad shaheryarkh at gmail.com
Sun Feb 9 01:14:34 CET 2014


What..!

Who gave you the idea that increasing memory buffers has ANYTHING to do
with jitter and latency? These are network problems and have nothing to do
with shared or package memory. Especially in case of kamailio + mediaproxy
which merely relay media from one end to another (no transcoding,
repacketization etc. involved).

Please try to understand the problem before attempting to fix it. Have a
look at this,

http://www.voip-info.org/wiki/view/QoS

Thank you.




On Sat, Feb 8, 2014 at 8:46 PM, Wingsravi R <wingsravi777 at gmail.com> wrote:

> Dear Kamailio'ns
>
> I am working on Kamailio (V 4.0)+ Mediaproxy server (2.5.2) running on
> Ubuntu 12.04. I am experiencing some Latency, jitter, pixelled, choppy
> video errors in my set-up. So i wanted to increase buffer sizes of my
> kamailio server , Mediaproxy server and Ubuntu also.
> In that regards i have increased Shared memory value to 512 MB and Package
> memory value 16 MB.
> BUFFER SIZE value to 8 MB in *config.h* file,
>
> But where can i change the value for 'MAX_RECV_BUFFER_SIZE'  of kamailio?
>
> And are there any settings to increase Buffer Size of Mediaproxy server ?
>
> Is this changes will affect on my issues ?
>
> PS: I even changed ubuntu settings also :
>                 net.core.rmem_max= 8388608
>                 net.core.wmem_max= 8388608
> (but these values reset to default values again when i restarted system.)
>
> Please help me in resolving this issues.
>
> Any help will appreciate.
>
> Regards,
> Ravi
>
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