[OpenSIPS-Users] Setting opensips for maximum performance

[Jan Rozhon]

Hi Stanislaw,

thank you for your advice. The problem was really caused by insufficient 
memory. For some reason opensips didnt accept any parameters nor from 
CLI nor from config. My colleague helped me determine, that the problem 
has something to do with start-stop daemon in Debian. So we decided to 
remove start-stop daemon from init.d opensips script and now I was able 
to reach 280 cps without significant retransmissions. I will run new 
tests during night to see, where I can get with the new settings and if 
some other problem occure I will write again, if not thank you and 
Bogdan for your help, I really appreciate it.

Regards, Jan

Dne 23.2.2010 13:21, Stanisław Pitucha napsal(a):
> On 23.02.2010 09:31, Jan Rozhon wrote:
>    
>> chieftec:~# opensipsctl fifo get_statistics 'shmem:'
>> shmem:total_size = 33554432
>>      
> That's how much you've got allocated for shmem ~36M
>    
>> shmem:used_size = 24018088
>>      
> Used right now
>    
>> shmem:real_used_size = 26151984
>>      
> Used right now + the overhead (from allocator probably)
>    
>> shmem:max_used_size = 33554432
>>      
> Max used so far - that means there was a time when you allocated the
> whole memory. That's a problem you have to solve.
>
>    
>> Does this means that I have only 32 MB of shared memory? In /etc/default
>> /opensips I definitely set the value to 3072 MB. Is there some problem
>> with shared memory then?
>>      
> That seems to be debian-specific config - are you running opensips from
> init.d/opensips then? If not, you have to add something like '-m 512' to
> command line options. (3GB is probably way more than you need)
>
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