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Node.js Performance

Redis Pipelining

Batch many Redis commands into one network round-trip.

redis

Detailed Description

Redis is fast, but network round trips are not free. Pipelining sends many commands together and reads the responses together, reducing latency dramatically.

Use pipelining for many independent commands. If keys share the same shape, MGET may be even simpler. Always watch hit rate, command latency, and payload size.

Mental Model

100 GETs
without pipeline = 100 RTT
with pipeline = 1 RTT

When To Use

  • ->Fetching many cache keys
  • ->Reducing Redis network latency
  • ->Improving hot endpoint cache reads
Tools: ioredis pipeline, mget, Redis cluster
redis-pipeline.js

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Output

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