Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions,
see Getting Started with Amazon Web Services in China
(PDF).
Best practices: Pub/Sub and Enhanced I/O Multiplexing
When using Redis OSS version 7 or later, we recommend using sharded Pub/Sub.
You also improve throughput and latency using enhanced I/O multiplexing, which is automatically available when using Redis OSS version 7 or later and requires no client changes. It is ideal for pub/sub workloads, which often are throughput-bound with multiple client connections.