Learn Redis The Hard Way (in Production) — How a popular hotel comparison site uses Redis heavily in production, including where things didn’t work as expected.

Scuba: Diving into Data at Facebook [PDF] — A paper describing a commonly used system at Facebook for doing live, real-time analysis on terabytes of data. Related Hacker News discussion.

Peloton: The Self-Driving Database Management System — An in-memory, DRAM/NVM optimized, relational database management system designed with autonomous operation and optimization in mind.

[eBook] The Essential Guide to Queuing Theory — Queueing theory rules everything around you - Whether you’re an entrepreneur, engineer, or manager, queueing theory is one of the best ways to boost performance. This 30-page ebook demystifies the subject without requiring pages full of equations.

JanusGraph: An Open-Source, Distributed Graph Database — A highly scalable transactional graph database optimized for storing and querying large graphs with billions of vertices and edges distributed across a multi-machine cluster.

The Probability of Data Loss in Large Clusters — Many distributed storage systems (e.g. Cassandra, Riak, HDFS, MongoDB,) can use replication to make data durable, but how does this affect the odds of data loss?

1.1 Billion Taxi Rides on kdb+/q & 4 Xeon Phi CPUs — Q is a programming language with a built-in, column-oriented, in-memory and on-disk database called kdb+ that includes and extends SQL. Here’s a practical look at using it.

The Internals of PostgreSQL — Suzuki Hironobu covers the internals of PostgreSQL for database administrators and system developers in this helpful translation of his 2012 Japanese-language book.

GryadkaJS: A Paxos-Based Replicated Key/Value Layer On Top of Redis — Gryadka is a minimalistic Paxos-based master-master replicated consistent key/value layer on top of multiple instances of Redis.

MySQL and Snap Packaging — A look at using ‘snaps’ (a new way of packaging apps for distribution on Linux) to distribute MySQL.