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Faunus: Graph Analytics Engine
http://faunus.thinkaurelius.com

[[https://raw.github.com/thinkaurelius/faunus/master/doc/images/graph-globe.png|width=100px]]

Faunus 0.×.y

Version 0.4.0 (NOT OFFICIALLY RELEASED YET)

```xml

com.thinkaurelius.faunus
faunus
0.4.0-SNAPSHOT

```

  • No longer support for Java 1.6 (Java 1.7+ supported)
  • Bumped to support Hadoop 1.2.1
  • Bumped to support Titan 0.4.0
  • Bumped to support TinkerPop 2.4.0
  • Renamed FaunusRexsterExtension to FaunusRexsterInputFormatExtension
  • Added FaunusRexsterExecutorExtension which allows remote execution of a Faunus script and tracking of its progress
  • Global GremlinFaunus variables are now available in ScriptEngine use cases
  • Reduced the width of the logger output of Hadoop via a new log4j.properties file
  • Simplified ResultHookClosure with new Gremlin 2.4.0 classes
  • Fixed has(key,null) NullPointerException issue
  • Added support for has(key) and hasNot(key)
  • Migrated from Query.Compare to Compare with Blueprints 2.4.0
  • The variables hdfs and local are available to gremlin.sh -e
  • Remove SequenceFile migration model via Faunus (unsustainable)

Version 0.3.2 (August 1, 2013)

```xml

com.thinkaurelius.faunus
faunus
0.3.2

```

  • Fixed a bug in SchemaInferencerMapReduce with EmptyConfiguration
  • User can now provide their own mapred.jar to deploy to the Hadoop cluster
  • Graph database bulk loading is now fail safe as transaction size is the size of the input split
  • Incremental bulk loading is now possible w/ loading-from-scratch=false in BlueprintsGraphOutputMapReduce
  • Number of reduce tasks to use during bulk and incremental loading is computed as a function of input split size
  • Added more useful PathFilter instances
  • Generalized HDFSTools for more generic use throughout Faunus
  • Added JobConfigurationFormat which supports dynamic job manipulation at execution time
  • Bumped to support Titan 0.3.2
  • Fixed a bug in CountMapReduce where a value of 0 was not displayed
  • Added FileSystem.cp() to support copying paths within a filesystem

Version 0.3.1 (May 21, 2013)

```xml

com.thinkaurelius.faunus
faunus
0.3.1

```

  • Optimized the default in-memory filter for VertexQueryFilter
  • Bumped to support Titan 0.3.1
  • Updated all ByteBuffers to StaticByteBuffers (and associated updates)

Version 0.3.0 (April 20, 2013)

```xml

com.thinkaurelius.faunus
faunus
0.3.0

```

  • Skipped Faunus 0.2.y line in order to synchronize with Titan 0.3.z
  • Bumped to support Titan 0.3.0
  • Bumped to support Hadoop 1.1.2
  • Moved IdentityMap to base directory as changed in Pipes 2.3.0
  • Refactored the means by which MapReduce test cases are written
  • FaunusVertex property value serialization support using Kryo 2.2.1
  • FaunusVertex01 provides history deserialization support for Faunus 0.1.z → Faunus 0.3.z conversion
  • Moved util.MicroElement classes into respective FaunusElement inner classes
  • Added numerous test cases for file-based RecordReader formats
  • Added ScriptInputFormat to support the arbitrary reading of an HDFS file lines into a FaunusVertex
  • Added ScriptOutputFormat to support the arbitrary writing of an HDFS file line from a FaunusVertex
  • Introduced the faunus.pipeline property namespace for properties that are global to the pipeline
  • Added support for vertex-centric “filters” for isolating subsets of a graph InputFormat
  • Fixed a severe bug in the propagation of Configurations throughout a Faunus job sequence (EmptyConfiguration)
  • Renamed GraphSONUtility to FaunusGraphSONUtility to avoid name conflicts with Blueprints
  • Added EdgeCopyMapReduce to support graph transpose for bidirectional edges
  • FaunusGraph now implements Configurable and thus getConf() instead of getConfiguration()
  • Removed unnecessary combiner steps when the combiner only groups messages without compressing them

Version 0.1.1 (March 22, 2013)

```xml

com.thinkaurelius.faunus
faunus
0.1.1

```

  • OrderMapReduce semantics updated for number based properties (multiply by path count for efficiency)
  • Improved the memory consumption and speed of MemoryMapper
  • Bumped to support Hadoop 1.1.1
  • Bumped to support Titan 0.2.1
  • Bumped to support OpenRDF 2.6.10
  • Bumped to support TinkerPop 2.3.0
  • Added script-step which allows for arbitrary Gremlin/Groovy script executions on Faunus vertices
  • Removed step-step as it was not clearly defined and difficult to use (see script-step)
  • Fixed job jar finding issue by introducing FAUNUS_HOME system property
  • Complete refactoring of FaunusCompiler and FaunusPipeline
  • Added support for user defined Input- and OutputFormats
  • Added MapReduceFormat which allows an arbitrary number of MapReduce jobs after/before input/output
  • Added configuration to allow Faunus to get the actual vertex count from Rexster when determining split size
  • Added configuration to allow Faunus to authenticate to Rexster, if Rexster security is turned on
  • Removed dependency on Tokens.F with the inclusion of ordering in TinkerPop Pipes

Version 0.1.0 (January 14, 2013)

```xml

com.thinkaurelius.faunus
faunus
0.1.0

```

  • First release and therefore, no changes.