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Increased Cache Failures

ResolvedminorOfficial source confirmedStarted Sep 21, 2026, 06:15 PM · Resolved Sep 21, 2026, 06:15 PM

Cloudflare investigated an elevated rate of PUT request failures to R2 within the WNAM and ENAM regions. As a result, storing assets in Cache Reserve failed for some requests. This impact was from 15:25 - 18:00 UTC.

Timeline

No vendor updates were captured for this incident before it was resolved.

What to do next

  • Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
  • Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
  • Watch the provider going forward. Follow Cloudflare's status feed →

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