elephant-bird - Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code
Elephant Bird is Twitter's open source library of LZO, Thrift, and/or
Protocol Buffer-related Hadoop InputFormats, OutputFormats, Writables, Pig
LoadFuncs, Hive SerDe, HBase miscellanea, etc. The majority of these are in
production at Twitter running over data every day.