[Freeswitch-users] Live Upgrade Techniques

[Michal Bielicki]

Am 11.06.2009 um 05:04 schrieb John Dalgliesh:

>
> Hi,
>
> I am slowly gaining confidence using FreeSWITCH in production, but  
> there
> is one issue that I'm still wondering about: how are people upgrading
> their FreeSWITCH installation binaries without dropping all current  
> calls?
>
> So far I have been upgrading in the dead of night, after pausing for 5
> minutes then dropping the stragglers, but this is hardly ideal.
>
> What I would like to do is to run an upgraded instance of FreeSWITCH  
> on
> the same machine, and have it handle all new call packets, whereas  
> the old
> instance continues to handle the existing call packets, until there  
> are no
> more old calls left.
>
> I can think of about seven ways to accomplish this, but before I  
> dive into
> the code I thought I'd better ask what everyone else has been doing :)
>
> (The only standard way I can think of doing this is to have a SIP  
> proxy
> sitting in front of FS the whole time, just to handle these upgrade
> windows. It seems like a bit of a waste.)
>
> So how are you handling your FS software upgrades?
>
> {P^/
> John
>
>


We use freeswitch on solaris and just upgrade it to a new zfs which  
gets remounted to the old place and freeswitch gracefully restartet.  
On failure we can allways do a rollback, which takes between 2 and 10  
seconds, so the dwntime is pretty acceptable.

Michal Bielicki
Leiter der Niederlassung
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