Redis fragment cluster

1. Fragmentation cluster

Master slave and Sentry can solve the problem of high availability 、 High concurrency issues . But there are still two unsolved problems ：

• Massive data storage problem
• The problem of high concurrency writing

Using sharded clusters can solve the above problems , Piecemeal cluster characteristics ：

• There are more than one in the cluster master, Every master Save different data
• Every master There can be multiple salve node
• master Through between ping Monitor each other's health
• Client requests can access any node in the cluster , Will eventually be forwarded to the correct node