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Tokyo performance degradation

Incident window: August 23, 2019 03:36 to 13:05 UTC

Impacted Cloud services:

Impact Level : minor

Note that Cloud services in Tokyo are still available as the issues are isolated to a single data center and we are not observing the same performance issues across the other data centers in that region. Also, the performance and availability of Cloud services in other regions are not impacted.

[2019-08-23 13:30 UTC] Resolved. Beginning at 03:36 UTC, our Cloud infrastructure provider had reported that a small percentage of servers in a single data center in Tokyo had shut down due to overheating, which was due to a control system failure that caused multiple, redundant cooling systems to fail. The control and cooling systems were restored at 10:21 UTC and server recovery completed by 13:05 UTC.