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GitHub Git handshake disruption on 6 October 2026

GitHub Git handshake from Amsterdam, Mumbai, Singapore, Tokyo: degraded checks; 2026-10-06 04:30 UTC to 2026-10-06 06:30 UTC: peak Git handshake 1.09 s vs a usual 0.71 s.

What our checks saw
Degraded
Cities affected
Amsterdam, Mumbai, Singapore, Tokyo
When
to
How long
2 hours
Slowest check
1.09 s, usually 708 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.

Amsterdam

Incident0 ms750 ms1.50 s01:3004:3007:30
Each check (UTC)Usual (190 ms)Much slower, or failingSlow check outside the incidentIncident
Every check as a table
Time (UTC)CheckReading
01:30242 msNormal
02:00182 msNormal
02:30178 msNormal
03:00184 msNormal
03:30190 msNormal
04:00187 msNormal
04:30957 msMuch slower, or failing
05:00297 msNormal
05:30198 msNormal
06:00189 msNormal
06:30165 msNormal
07:00511 msMuch slower, or failing
07:30188 msNormal
08:00182 msNormal
08:30191 msNormal
09:00229 msNormal
09:30182 msNormal

Singapore

Incident0 ms1.00 s2.00 s01:3004:3007:30
Each check (UTC)Usual (708 ms)Slower than usualIncident
Every check as a table
Time (UTC)CheckReading
01:30707 msNormal
02:00737 msNormal
02:30690 msNormal
03:00721 msNormal
03:30695 msNormal
04:00688 msNormal
04:301.40 sSlower than usual
05:00776 msNormal
05:30694 msNormal
06:00725 msNormal
06:30706 msNormal
07:00705 msNormal
07:30699 msNormal
08:00758 msNormal
08:30702 msNormal
09:00717 msNormal
09:30681 msNormal

Tokyo

Incident0 ms400 ms800 ms01:3004:3007:30
Each check (UTC)Usual (188 ms)Much slower, or failingIncident
Every check as a table
Time (UTC)CheckReading
01:30186 msNormal
02:00190 msNormal
02:30197 msNormal
03:00189 msNormal
03:30171 msNormal
04:00172 msNormal
04:30722 msMuch slower, or failing
05:00203 msNormal
05:30192 msNormal
06:00272 msNormal
06:30186 msNormal
07:00190 msNormal
07:30196 msNormal
08:00205 msNormal
08:30176 msNormal
09:00184 msNormal
09:30198 msNormal

Mumbai

Incident0 ms750 ms1.50 s01:3004:3007:30
Each check (UTC)Usual (274 ms)Much slower, or failingIncident
Every check as a table
Time (UTC)CheckReading
01:30274 msNormal
02:00252 msNormal
02:30298 msNormal
03:00261 msNormal
03:30279 msNormal
04:00299 msNormal
04:301.18 sMuch slower, or failing
05:00296 msNormal
05:30265 msNormal
06:00307 msNormal
06:30315 msNormal
07:00349 msNormal
07:30318 msNormal
08:00332 msNormal
08:30337 msNormal
09:00324 msNormal
09:30314 msNormal

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