A high-performance Rack-compatible HTTP server built on Vert.x for JRuby applications.
Jubilee is a Rack-compatible HTTP server built on the Vert.x platform that enables JRuby applications to leverage Vert.x's high-performance, event-driven architecture. It solves the problem of Ruby web servers lacking the concurrency and real-time capabilities needed for modern applications by providing Vert.x's features while maintaining Rack specification compatibility.
JRuby developers building high-performance web applications, particularly those needing real-time features, clustering capabilities, or improved concurrency beyond traditional Ruby servers.
Developers choose Jubilee because it combines Rack compatibility with Vert.x's performance and modern features like the Event Bus for real-time communication, offering Ruby developers enterprise-grade capabilities typically found in Java-based servers.
A rack server built upon vert.x
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Built on Vert.x 3.0, it inherits lightweight, high-performance characteristics ideal for modern web applications, as highlighted in the README's emphasis on performance advantages.
Provides a pub/sub Event Bus for server-client and client-client communication, enabling real-time features like chat apps, with examples in the chatapp demo.
Leverages Vert.x clustering capabilities for distributed deployment and shared data structures, allowing coordinated state management across instances.
Runs multiple JRuby runtime instances by default to handle concurrency better than traditional Ruby servers, though it requires JVM tuning to avoid memory issues.
Exclusively works with JRuby, so it cannot be used with MRI Ruby, restricting Ruby version choices and potentially causing gem compatibility issues.
Requires JDK installation and manual JVM tuning, as noted in the README's warnings about OutOfMemoryError and the need for OS-level TCP adjustments for performance.
As a specialized server built on Vert.x, it has a smaller community and fewer resources compared to mainstream Ruby servers, which can slow down troubleshooting and adoption.