...or because they were concerned that the old server's keys might be compromised. So they needed to setup fresh keys.

Lots of possibilities.

petertodd

So why did Kraken decide this migration was too risky to attempt or they just wanted a clean start?

Or is it because there is a massive overhead of maintaining the old database which just fills with cruft and doesn't really compact very well.

And then there's the extra overhead from old channels.

lightning

Kraken shut their node... moving

brianoflondon

So why did Kraken decide this migration was too risky to attempt or they just wanted a clean start?

Or is it because there is a massive overhead of maintaining the old database which just fills with cruft and doesn't really compact very well.

And then there's the extra overhead from old channels.