The Once And Future Accumulo

Historical and Future Views of Accumulo's Operational Drivers

Aaron Cordova and Adam Fuchs, CTOs

A Brief History Of TimeThe Early Years● 1.0 - Stable API● 1.1 - Write durability● 1.2 - Locality groups

Logical time● 1.3 - Random walk,

Agitator● 1.4 - Improved

reliability● 1.5 - All-HDFS Storage

Thrift Proxy Encryption-at-rest

The Slightly-Less Early Years● 1.6 - Conditional

Mutations Namespaces Federated HDFS

● 1.7 - Cross Site Replication

● Future○ Coprocessors○ Common schema○ Common indexing

2011 Lessons Learned● Government policy can be a challenge,

even when all stakeholders are on-board!

● Apache Software Foundation is a great place to incubate a community!

● You can’t please everyone all the time!

Doug Cutting, Accumulo Champion

Go Accumulo!Woohoo!

Yeah!

Geowave

Rya

Fluo

D4M

IN A WORLD...