GitHub logo

GitHub Git handshake disruption on 30 September 2026

GitHub Git handshake from Amsterdam, Mumbai, Tokyo: degraded checks; 2026-09-30 18:30 UTC to 2026-09-30 20:30 UTC: peak Git handshake 0.65 s vs a usual 0.27 s.

What our checks saw
Degraded
Cities affected
Amsterdam, Mumbai, Tokyo
When
to
How long
2 hours
Slowest check
648 ms, usually 270 ms
GitHub's status page
Open it

Where our checks saw it

Each glowing city had slow or failing checks during the incident, shown at its worst. We test from 6 cities, so other places may have been hit too.

Our checks, city by city

Each point is one check every 30 minutes, from three hours before the incident to three hours after. Coloured points are the checks we counted as slower or failing. The shaded area shows how far above the usual time they were. Not affected: San Francisco, Montreal, Singapore.

Amsterdam

Incident0 ms500 ms1.00 s15:3018:3021:30
Each check (UTC)Usual (190 ms)Much slower, or failingSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
15:30195 msNormal
16:00808 msMuch slower, or failing
16:30250 msNormal
17:00255 msNormal
17:30192 msNormal
18:00228 msNormal
18:30803 msMuch slower, or failing
19:00213 msNormal
19:30300 msNormal
20:00213 msNormal
20:30218 msNormal
21:00296 msNormal
21:30200 msNormal
22:00194 msNormal
22:30194 msNormal
23:00179 msNormal
23:30214 msNormal

Tokyo

Incident0 ms500 ms1.00 s15:3018:3021:30
Each check (UTC)Usual (183 ms)Much slower, or failingSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
15:30205 msNormal
16:00622 msMuch slower, or failing
16:30191 msNormal
17:00236 msNormal
17:30238 msNormal
18:00197 msNormal
18:30810 msMuch slower, or failing
19:00264 msNormal
19:30290 msNormal
20:00194 msNormal
20:30182 msNormal
21:00295 msNormal
21:30225 msNormal
22:00210 msNormal
22:30176 msNormal
23:00218 msNormal
23:30187 msNormal

Mumbai

Incident0 ms750 ms1.50 s15:3018:3021:30
Each check (UTC)Usual (270 ms)Much slower, or failingSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
15:30274 msNormal
16:00620 msSlower than usual
16:30330 msNormal
17:00314 msNormal
17:30284 msNormal
18:00270 msNormal
18:30991 msMuch slower, or failing
19:00305 msNormal
19:30372 msNormal
20:00310 msNormal
20:30281 msNormal
21:00401 msNormal
21:30279 msNormal
22:00269 msNormal
22:30258 msNormal
23:00271 msNormal
23:30288 msNormal

How fast is your API around the world?

Run a free speed test from multiple cities and find out where your users are waiting. No setup, no account required.

Test my API

No account required · Takes about 30 seconds.