| Name | Description | Type | Package | Framework |
| LongAbstractListMessageStore | Special message store to be used when ids are LongWritable and no combiner Uses fastutil primitive maps in order to decrease number of objects and | Class | org.apache.giraph.comm.messages.primitives.long_id | Giraph |
| LongAbstractMessageStore | Special message store to be used when ids are LongWritable and no combiner Uses fastutil primitive maps in order to decrease number of objects and | Class | org.apache.giraph.comm.messages.primitives.long_id | Giraph |
| LongByteArrayMessageStore | Special message store to be used when ids are LongWritable and no combiner Uses fastutil primitive maps in order to decrease number of objects and | Class | org.apache.giraph.comm.messages.primitives.long_id | Giraph |
| LongPointerListMessageStore | This stores messages in ExtendedByteArrayOutputBuffer | Class | org.apache.giraph.comm.messages.primitives.long_id | Giraph |