Hey there,
So can fly handle n8n with all the outbound requests it makes to external services?
I keep getting “Server unavailable” messages intermittently, apparently due to inconsistent DNS handling?
Any thoughts on this?
Hello @arpowers!
I’m happy to help–could you provide more details on what n8n is?
Where is the “Server unavailable” message getting triggered from–is it from your Fly app or the external services your app is connecting to?
- If it’s from the external service, I would recommend checking if there’s any constraint on the service that might be blocking too many calls to it.
- Otherwise, if the error is from your Fly app, I would advise with checking whether any hard_limit is being hit on your machines–perhaps you can find additional proxy logs that point to this. You can also compare your App Concurrency ( Viewed from
Dashboard > App > Metrics > Grafana icon > App Concurrency graph) with the hard_limit configured for your machines.
Lastly, how were you able to identify that the error is being triggered due to inconsistent DNS handling? Are there any logs pointing to this?
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