[Koha-devel] Some thoughts on the SIP-server scalability

[Chris Cormack]

On 1 February 2014 01:15, Petter Goksøyr Åsen
<petter.goksoyr.asen at kul.oslo.kommune.no> wrote:
> Dear Koha devs!
>
> I work at at Oslo public library. We recently decided to go for Koha, and are
> now working on planning the migration from our current ILS.
>
> Our library is fully automated, with RFID-checkin machines taking care of almost
> all of our circulation. We currently have around 50 of these running at 15
> branches around the city. Because of this, we naturally need the SIP-server to
> handle quite a load. I checked the logs of our current ILS, and found the
> number of SIP-messages peeked at 58 per second.
>
> (In addition to the checkin-machines - we have a lot of RFID-workstations which
> potentially also will make use of SIP)
>
> Correct me if I'm wrong, but this is what I have found out:
> Koha's SIP server can only handle one request at a time. So if you need more
> you have to spin up more SIP-severes. This fine for a few, but try to spin up
> 30 of theese - it takes 15 minutes just to get them all started on a new box
> with plenty of RAM & CPU.
> The servers are independent processes which share no resources..

Hmmm, could I see your config please? Because this doesnt sound right
at all. What do you have in your SIPconfig.xml

I just edited mine to have min 30, spare 1 add it started in seconds

Chris