MyRocks: A Space- and Write-Optimized MySQL Storage Engine — Facebook’s Yoshinori Matsunobu looks at how deploying MyRocks (a key/value store forked from Google’s LevelDB) within a MySQL installation enabled a 50% reduction in storage requirements.

A Comparison of 10 Open Source Time Series Databases — The author looks at and ranks DalmatinerDB, InfluxDB, Prometheus, Riak TS, OpenTSDB, KairosDB, Elasticsearch, Druid, Blueflood and Graphite.

Tracking The Ever-Shifting Big Data Bottleneck — “Bottlenecks are a fact of life in IT. No matter how fast you build something, somebody will find a way to max it out.” And it seems newer in-memory frameworks may make CPU shared caches the next bottleneck for big data systems.

Forget Technical Debt - Build Technical Wealth — First Round Review recently sat down with Andrea Goulet, CEO of Corgibytes, to discuss how "software remodeling"can help you pay down tech debt and tackle even the most difficult legacy codebases.

Build a Raspberry Pi Hadoop Cluster to Run Spark on YARN — The Raspberry Pi isn’t the most natural platform for Hadoop or Spark work but it can provide a fun way to learn and this is a thorough walkthrough.

Building A Recommendation Engine with AWS Data Pipeline, Elastic MapReduce and Spark — From Google’s advertisements to Amazon’s product suggestions, recommendation engines are everywhere.

Apache Spark at Scale: A 60 TB+ Production Use Case — Facebook is a heavy user of analytics for data-driven decision making and this post looks at how they use Spark for doing real-time entity ranking at scale.