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September 11, 2023, from 00:00 to 06:00 GMT+08:00

CN North-Beijing4

ELB

During the upgrade, persistent connections of dedicated load balancers may time out. You can try again on the clients to restore the connections.
Impacts on other cloud services:
Distributed Cache Service (DCS): Instances using the Proxy cluster will be intermittently disconnected. Ensure that your services have the automatic reconnection mechanism.
Cloud databases: Connections to the databases using the load balancer address will be intermittently interrupted. Ensure that your services have the automatic reconnection mechanism.
API Gateway: Requests sent through an API gateway may fail. Ensure that your services have the automatic reconnection mechanism, and you can try again to restore the connections.
CSE Nacos: Customer microservice instances may go offline and try to restore. Responses to client requests may time out. Please do not restart or upgrade microservice instances during the upgrade.
ModelArts: Persistent connections of dedicated load balancers may be disconnected, which may cause the connections to the ModelArts MAlite using the load balancer to be intermittently interrupted. Ensure that your services have the automatic reconnection mechanism.
Blockchain Service (BCS): Connections with digital asset chain users using SDKs will be intermittently disconnected. Ensure that your services have the automatic reconnection mechanism.
Industrial Intelligent Twins (IIT): IIT is also affected together with ModelArts and API Gateway. Ensure that your services have the automatic reconnection mechanism.

September 12, 2023, from 00:00 to 06:00 GMT+08:00