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RSMQ vs Scheduler API: What are the differences?
RSMQ: A lightweight message queue for Node.js that requires no dedicated queue server. Just a Redis server. tl;dr: If you run a Redis server and currently use Amazon SQS or a similar message queue you might as well use this fast little replacement. Using a shared Redis server multiple Node.js processes can send / receive messages; Scheduler API: An API for scheduling queue messages. It is a simple API to delay SQS messages. Call our APIs and we'll publish your messages when you need them.
RSMQ and Scheduler API belong to "Message Queue" category of the tech stack.
Some of the features offered by RSMQ are:
- Lightweight: Just Redis and ~500 lines of javascript.
- Guaranteed delivery of a message to exactly one recipient within a messages visibility timeout.
- Received messages that are not deleted will reappear after the visibility timeout.
On the other hand, Scheduler API provides the following key features:
- scheduling
- cancelling scheduled SQS messages
- changing the delay for already scheduled messages
RSMQ is an open source tool with 1.26K GitHub stars and 95 GitHub forks. Here's a link to RSMQ's open source repository on GitHub.
Pros of RSMQ
- Simple, does one thing well2
- Comes with a visibility timeout feature similar to AWS1
- Written in TypeScript1
- Written in Coffeescript1
- Backed by Redis1
