http://stackoverflow.com/questions/22951488/titan-performance-increases-when-removing-edges

gremlin-version.groovy

g = TitanFactory.open('conf/titan-cassandra.properties')

//v1 = g.addVertex( null )
v1 = g.getVertex(4)
bytes = new byte[ 65536 ]
Arrays.fill( bytes, (byte) 0 )

i = 0;
lastTime = System.currentTimeMillis();
toRemove = null
while ( true ) {
  def v2 = g.addVertex( null );
  v2.setProperty('b',bytes)

  if (toRemove != null) toRemove.remove()

  toRemove = v2.addEdge( "last-data", v1 );

  g.commit();

  if ( i % 100 == 0 ) {
      def duration = ( System.currentTimeMillis() - lastTime );
      println "count:" + String.format( "%7s", i ) + ", duration:" + String.format( "%7s", duration ) + "ms"
      lastTime = System.currentTimeMillis();
  } // end if
  i++;
}