Monthly Archives: March 2017

Publishing Dropwizard Metrics to Kafka

This post is about combining Dropwizard metrics with Kafka to create self instrumenting applications producing durable streams of application metrics, which can be processed (and re-processed) in many ways. The solution is appealing because Kafka is increasingly popular, and therefore likely to be available infrastructure, and Dropwizard metrics likewise, being leveraged by many open source

A Quick Look at RoaringBitmap

This article is an introduction to the data structures found in the RoaringBitmap library, which I have been making extensive use of recently. I wrote some time ago about the basic idea of bitmap indices, which are used in various databases and search engines, with the caveat that no traditional implementation is optimal across all data scenarios (in terms of