Elephant Bird
· 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.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window elephant-bird-4.17.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.