Shulou(Shulou.com)06/01 Report--

Background:

1. The traditional redis high availability solution only adds sentinel. After the failure of the main library, you can select the master and then switch the read-only parameters, but for the application, you need to change the connected IP or change the resolution in the hosts. It's kind of semi-automatic.

two。 Automatic failover and address resolution can be realized by using the functions of service registration and service health check of consul system.

Architecture:

Build:

1. Set up consul cluster and arrange consul agent on redis node

two。 Set up sentinel cluster

3. Registration Services (focus)

First, create a new redis master-slave detection script cat > / root/check/redis_role.sh on the redis2222 instance

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