Help Center > > FAQs> Read Replicas and Read/Write Splitting> Does MySQL Support Sharding and Read/Write Splitting?

Does MySQL Support Sharding and Read/Write Splitting?

Updated at: Apr 20, 2020 GMT+08:00

Yes. RDS supports sharding and read/write splitting.

  • Distributed Database Middleware (DDM) provides the sharding function to remove the capacity and performance bottlenecks of databases.
  • A maximum of five read replicas can be created for a MySQL primary DB instance. Read replicas and DB instances are connected through separated IP addresses.

    After enabling the read/write splitting function, you can use a unified read/write splitting address, which can be obtained on the Read/Write Splitting page.

    For detailed operations, see Configuring Read/Write Splitting.

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