[Kea-users] LFC Questions

Ben Scott bscott at isc.org
Wed Dec 10 22:16:49 UTC 2025


On 12/10/25 12:47, Diogo André de Assumpção via Kea-users wrote:
> We use a memfile backend and one requirement we have is to refresh the 
> config quite frequently, every 30min right now but looking to reduce that.

   As an aside, people who go down that path (frequent config reloads) 
often end up regretting it eventually.  A full config reload is 
expensive.  At a minimum, it interrupts service briefly while the 
configs are swapped around.  If you are running HA, it interrupts 
service while the HA resync happens.  Those interruptions eventually 
become unacceptable, and often at inconvenient times.

   It's usually a better idea to have your provisioning system (or 
whatever is leading to your reloads) submit changes to Kea using the 
API.  That is very low impact and zero service interruption.

   Just FYI.

   -- Ben

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