RewindexOutage eventsJul 17, 2020
Cloudflare outage, Jul 17, 2020
24 vendors posted 24 incidents between 21:00 and 23:00 UTC, against about 3 incidents from 3 vendors in the same hours on an ordinary week. 7 vendors named Cloudflare in 7 incidents (7 of them blamed it). Vendors reported a Cloudflare outage; Cloudflare’s own incident for this date is not in the archive.
Observed, not verified. A line means a vendor’s incident named another vendor, or started in the same window. It is not a proven cause.
Times are UTC; lags are from when the first vendor named Cloudflare.
- first vendor named Cloudflare 21:00
How it spread
Vendors that named Cloudflare, grouped by when they posted, and vendors that blamed one of the vendors Cloudflare took down. Solid lines: the vendor named the other. Dashed: same window, not named.
Swipe sideways to see the whole diagram.
Mermaid source
flowchart LR
root["Cloudflare<br/>own incident not archived"]:::inferred
h1["Within an hour<br/>6 vendors, 6 blamed Cloudflare<br/>Sigma Computing, WorkOS, Doppler, Linode (Akamai) +2"]:::blames
root --> h1
h4["1 to 4 hours later<br/>1 vendor, 1 blamed Cloudflare<br/>Hotjar"]:::blames
root --> h4Vendors that named Cloudflare
In their own words. “Blames” means a causal phrase sits next to the name (“due to”, “upstream provider”…).
Within an hour
6 vendors
- Incident, no impact listed
+0 min
Blames Cloudflare
Sigma ComputingCloudflare Outage
…Cloudflare Outage Cloudflare had a 27 minute outage in certain data centers due to a routing issue. This has affected Sigma's application and dns resolution. For more information please reference the…
- Major incident
+16 min
Blames Cloudflare
WorkOSCloudflare Service Outage
…Cloudflare Service Outage The WorkOS Audit Trail, SSO, and Directory Sync services are now operating normally. The upstream internet service provider has addressed the root cause of the issue and syst…
- Critical incident
+20 min
Blames Cloudflare
…hub and status page but did not result in any data loss. ## What Happened? Doppler uses [Cloudflare](https://cloudflare.com) as our DNS provider which provides a suite of powerful features including…
- Critical incident
+24 min
Blames Cloudflare
Linode (Akamai)Connectivity issues - Linode Manager, Linode.com
…Connectivity issues - Linode Manager, Linode.com Connectivity within Cloudflare's network has stabilized. Linode.com and the Linode Manager have also remained stable, so we are considering this incide…
- Critical incident
+31 min
Blames Cloudflare
…Cloudflare outage This incident has been resolved.…
- Incident, no impact listed
+49 min
Blames Cloudflare
SentryPotential loss in ability to submit events due to CloudFlare Outage.
…Potential loss in ability to submit events due to CloudFlare Outage. We believe CloudFlare has addressed their instability.…
1 to 4 hours later
1 vendor
- Incident, no impact listed
+1 h 16 min
Blames Cloudflare
HotjarData loss for Cloudflare websites
…Data loss for Cloudflare websites The issue has been resolved. Thank you for your patience!…
Same window, did not name anyone
17 incidents started during the event without naming Cloudflare or another vendor. Some are part of it, some are a normal day’s background (about 3 in these hours).
Show all 17
- +17 minCritical incident
- +21 minMajor incident
- +24 minCritical incident
- +27 minCritical incident
- +28 minMajor incident
- +28 minMajor incident
- +29 minCritical incident
- +30 minMajor incident
- +34 minMajor incident
- +34 minCritical incident
- +35 minCritical incident
- +36 minCritical incident
- +39 minCritical incident
- +41 minMajor incident
- +43 minMinor incident
- +44 minMajor incident
- +56 minMinor incident
Detected automatically from 32 status pages opening incidents in the peak hour (normally at most 4). Mentions are matched by name in each incident’s title and updates, then classified as cause, location or integration; quoted text is the vendor’s. Vendors that share one status page are shown once.