In this article, we describe uReplicator, Uber’s open source solution for replicating Apache Kafka data in a robust and reliable manner. This system extends the original design of Kafka’s MirrorMaker to focus on extremely high reliability, a zero-data-loss guarantee, and ease of operation. Running in production since November 2015, uReplicator is a key piece of Uber’s multi–data center infrastructure.

A simple tool for uploading files to the filesystem of an ESP8266 running NodeMCU as well as some other useful commands.