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Fly.io · Cloud and hostingAug 9, 2026, 02:50 UTC

Increased app-not-found errors

MajorNot disclosedUpdated 20h ago
Aug 9, 02:50 UTCAug 9, 07:10 UTC
Duration
4h 20m
Impact
Major
Root cause
Not disclosed
Fly.io, 90 days
51 incidents
Affected
Machines API
Status page

Final update

This incident has been resolved.

Timeline

  1. Resolved · Aug 9, 07:10 UTC
    This incident has been resolved.
  2. Monitoring · Aug 9, 06:42 UTC
    A fix has been implemented and we are monitoring the results
  3. Identified · Aug 9, 06:03 UTC
    We’ve deployed an additional mitigation to further reduce Corrosion retry pressure and are seeing improvement; we’re continuing to monitor while remaining affected nodes catch up.
  4. Identified · Aug 9, 04:58 UTC
    We’ve applied a mitigation to reduce the impact from Corrosion batch insertion retries and are continuing to monitor while affected nodes catch up.
  5. Identified · Aug 9, 03:50 UTC
    We have identified the issue as failed insertions in a subset of Corrosion batches. These failures trigger retries, which can cause timeouts for other batches.
  6. Investigating · Aug 9, 02:50 UTC
    We are currently investigating app-not-found errors returned by Machines API calls made shortly after creating new applications.

More from Fly.io

Full history
StartedIncidentDuration
Sep 2318:44 UTCPartial Sprites outage7h 28m
Sep 2314:47 UTCElevated private networking errors36m
Sep 2312:42 UTCUpstash unavailability in FRA region1h 22m
Sep 2306:18 UTCIPv6 Networking Issues in DFW5h 57m
Sep 1504:08 UTCDepot builder failures1h 25m
Sep 1221:22 UTCNetwork issues in US West Coast50m

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