Faunus Graph Configuration

This section describes the various configuration options possible with Faunus. Each InputFormat/OutputFormat as well as MapReduce steps have other configurations that are described in their respective sections of the documentation. Also note that these configuration go into the global Configuration that is used throughout Hadoop and thus, Hadoop specific configurations can be provided in the Faunus properties files.

Input Configuration

Option	Description	Value	Default
faunus.graph.input.format	the format of the input graph data	class	none
faunus.input.location	the location to read the graph data if in HDFS	string	none
faunus.graph.input.vertex-query-filter	the vertex-query filter to use on input graph	string	none
faunus.graph.input.edge-copy.direction	copy direction edges to opposite direction	direction	none

Output Configuration

Option	Description	Value	Default
faunus.graph.output.format	the format of the output graph data	class	none
faunus.sideeffect.output.format	the format of the output side-effect data	class	none
faunus.output.location	the location to write of the graph and side-effect data	string	none
faunus.output.location.overwrite	whether to override the output location data	boolean	false

Global Configuration

Option	Description	Value	Default
faunus.engine.map-spill-over	The size of in-memory mapper combiners before writing to output	int	500