Design the input/output data types
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Key: HAMA-196
URL: https://issues.apache.org/jira/browse/HAMA-196
Project: Hama
Issue Type: New Feature
Reporter: Hyunsik Choi
Like MapReduce, Angrapa also need input/output data types like key/value pairs
of MapReduce. In Angrapa, programs will handle all of data as vertices, each of
which has a key and an adjacent list. Thus, I think it would be good that a key
is an array of bytes (i.e., byte [] ) and an adjacent list is keys.
In addition, most of graph algorithms focus on graph features and labels of
either vertices or edges. They may not need keys. Therefore, RecordReader would
need only VERTEX; that is RecordReader<VERTEX>.
What do you think about?
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