Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

Small set of tools for JVM troublshooting, monitoring and profiling.

A Graph Traversal Language (no longer active - see Apache TinkerPop)

Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.

jHiccup is a non-intrusive instrumentation tool that logs and records platform "hiccups" - including the JVM stalls that often happen when Java applications are executed and/or any OS or hardware p…

A fully asynchronous, non-blocking, thread-safe, high-performance HBase client.

Lucene based secondary indexes for Cassandra

A streaming / online query processing / analytics engine based on Apache Storm

🐒 Bytecode-level fault injection for the JVM.

Blueprints-enabled graph over Redis

Mirror of Apache Cassandra