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Why we chose Kafka for the Trello socket architecture

Trello has been using RabbitMQ for the last three years. Prior to RabbitMQ, we were relying on a Redis Pub-Sub implementation. Recently, due to RabbitMQ’s questionable behavior when network partitions occur, we’ve made the switch over to Kafka. This blog post goes into depth on our RabbitMQ implementation, why we chose Kafka, and the Kafka-based […]

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A bug we found in node.js 7

tl;dr: Don’t use Node 7 until this PR is released. Background We’ve been working for quite some time to try and transition the Trello Server codebase to Node v7. Initially this was prevented by our quite old version of Mongoose, which got slower (by about 20%) when upgrading. After working through this and fixing a few more […]