- All Implemented Interfaces:
- Closeable, AutoCloseable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<ChukwaRecordKey,ChukwaRecord,ChukwaRecordKey,FSMIntermedEntry>
public class DataNodeClientTraceMapper
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<ChukwaRecordKey,ChukwaRecord,ChukwaRecordKey,FSMIntermedEntry>
Pluggable mapper for FSMBuilder
K2 = State Name + State ID
(We use ChukwaRecordKey since it would already have implemented a bunch of
useful things such as Comparators etc.)
V2 = TreeMap