[Kea-users] KEA High-Availability experience

[Veronique.Lefebure at cern.ch]

Many thanks.
And did you have the opportunity to fall back on the standby server, either for maintenance or because the first server went down in an unintended manner ?

> On 28/01/2022 19:42 Mark Moseley <moseleymark at gmail.com> wrote:
> 
> 
> On Thu, Jan 27, 2022 at 3:56 AM Veronique Lefebure <veronique.lefebure at cern.ch mailto:veronique.lefebure at cern.ch > wrote:
> 
> > Hi,
> > we plan to adopt the "hot-standby" high-availability mode.
> > The main reason being that compared to load-balancing, it makes the configuration files simpler.
> > Has any one have experience to share on this topic ?
> > If yes, what is the DHCP traffic rate you have ? 
> > How many (dynamic) leases in average ? on ipv4 ? on ipv6 ?
> > With DDNS enabled ?
> > Are the KEA servers running on bare-metal or on virtual machines ?
> > On which operating system ? Which KEA version ?
> > 
> > 
> > 
> 
> We've been running 1.8.2, bare metal, Ubuntu Focal in hot standby mode for a few months now, without issue. There's only 557 leases currently, so pretty lightweight. All IPv4.  They all have 60 minute leases. The vast majority are host reservations, so very few dynamic leases. DDNS isn't enabled.
> 
> It's too few hosts, for too short of a time, to really derive much insight from :)
> 
> But I figured I'd chime in that we're using that mode.
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