[SR-Users] Maintaining order of messages in a sip dialog on forwarding

[Daniel-Constantin Mierla]

On 04/08/15 16:41, Daniel Tryba wrote:
> On Tuesday 04 August 2015 15:12:31 Daniel-Constantin Mierla wrote:
>> Anyhow, I can't remember any changes in ack processing that could add to
>> this. Are you doing accounting of ACK requests?
> Ehh, yes, accounting in mysql. That explains +/- 0.01 delay in routing the 
> ACK. I think the previously it was myisam with db_insert_mode set to 1.
You can set the type of acc module to myisam -- we removed enforcing
myisam, leaving it to the default setting of mysql server, it is not
something like acc must not be myisam anymore.

Cheers,
Daniel
>
> I see there is now a 2 as value for db_insert_mode, to do this async. Sounds 
> like the solution.
>
>> As of a solution, perhaps hash table comes handy again, filter on this
>> customer and then of the ack and 2nd invite are received in really short
>> time in between, then add some usleep() for invite, that should take the
>> cpu from the process handling it.
> I'm just usleeping for 5ms on all INVITEs within dialog for now. I'll look 
> into the async inserting as the permanent solution.
>
> Once again many thanks for your reply.
>
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Daniel-Constantin Mierla
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