Elasticmq

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ElasticMQ is an in-memory message queue system with an Amazon SQS-compatible interface. It can run stand-alone, via Docker, or embedded, facilitating asynchronous task processing and system decoupling.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is elasticmq?

ElasticMQ is an in-memory message queue system designed to be compatible with Amazon SQS. It offers an actor-based Scala implementation and an SQS-compatible REST (query) interface. The system ensures message delivery by polling queues and blocking messages for a specified visibility timeout, making them available again if not deleted. ElasticMQ supports delayed message delivery and emphasizes message delivery guarantees, though clients should be idempotent to handle potential duplicate deliveries. It serves as an excellent SQS alternative for testing and for building systems that operate both within and outside the Amazon infrastructure, offering flexible deployment options including stand-alone, Docker, or embedded within applications.

Best used for

Ideal for developers who need to simulate Amazon SQS locally for testing, decouple microservices with a reliable message queue, and build asynchronous systems. Especially valuable for creating robust applications that can operate both within and outside the Amazon cloud environment.

Common actions

simulate SQS

manage message queues

test distributed systems

decouple services

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Capabilities

Key features

SQS-compatible interface
In-memory message queue
Stand-alone deployment
Docker deployment
Embedded deployment
Optional web UI
Queue persistence

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

How can I run ElasticMQ locally for development?

The easiest way to run ElasticMQ locally is using Docker Compose. Clone the repository and execute `docker compose up`. This will start both the SQS-compatible REST API and a web UI for monitoring and managing queues, accessible via your browser.

Can ElasticMQ persist queue data across restarts?

Yes, ElasticMQ supports persisting queue metadata and messages. You can configure it to store queue configurations in an external HOCON file or persist both queues and messages to an H2 in-file SQL database, ensuring state restoration after server restarts.

Is ElasticMQ suitable for production environments?

ElasticMQ is primarily designed for testing and development due to its in-memory nature and focus on SQS compatibility. While it can be used for certain production scenarios, Amazon SQS itself or other robust message queue solutions are generally recommended for high-scale production use cases.

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Productivity & Business › Workflow Automation

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