Gearman vs Scheduler API: What are the differences?

Gearman: A generic application framework to farm out work to other machines or processes. Gearman allows you to do work in parallel, to load balance processing, and to call functions between languages. It can be used in a variety of applications, from high-availability web sites to the transport of database replication events; 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.

Gearman and Scheduler API belong to "Message Queue" category of the tech stack.

Some of the features offered by Gearman are:

• Open Source It’s free! (in both meanings of the word) Gearman has an active open source community that is easy to get involved with if you need help or want to contribute. Worried about licensing? Gearman is BSD
• Multi-language - There are interfaces for a number of languages, and this list is growing. You also have the option to write heterogeneous applications with clients submitting work in one language and workers performing that work in another
• Flexible - You are not tied to any specific design pattern. You can quickly put together distributed applications using any model you choose, one of those options being Map/Reduce

On the other hand, Scheduler API provides the following key features:

• scheduling
• cancelling scheduled SQS messages
• changing the delay for already scheduled messages