[HADOOP-10860] Add serialization for Protocol Buffers

• Type: Wish
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Assignee: Unassigned
• Reporter: Thomas White
• Created: 18/Jul/08 11:01
• Updated: 18/Jul/14 18:12

Description

Protocol Buffers (http://code.google.com/p/protobuf/) are a way of encoding data in a compact binary format. This issue is to write a ProtocolBuffersSerialization to support using Protocol Buffers types in MapReduce programs, including an example program. This should probably go into contrib.

Issue Links

• depends upon: HADOOP-1230 Replace parameters with context objects in Mapper, Reducer, Partitioner, InputFormat, and OutputFormat classes
• is part of: HADOOP-6685 Change the generic serialization framework API to use serialization-specific bytes instead of Map<String,String> for configuration
• relates to: MAPREDUCE-376 Add serialization for Thrift