When running SimpleShortesPath example, it completed well if the number of worker is 1.
hadoop jar \ /home/wb/giraph-1.0.0/giraph-examples/target/giraph-examples-1.0.0-for-hadoop-0.20.203.0-jar-with-dependencies.jar \ org.apache.giraph.GiraphRunner \ org.apache.giraph.examples.SimpleShortestPathsVertex \ -vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat \ -vip /in/input \ -of org.apache.giraph.io.formats.IdWithValueTextOutputFormat \ -op /outShortest \ -w 1 However, when I increase the number of workers , like 2, map tasks were killed. hadoop jar \ /home/wb/giraph-1.0.0/giraph-examples/target/giraph-examples-1.0.0-for-hadoop-0.20.203.0-jar-with-dependencies.jar \ org.apache.giraph.GiraphRunner \ org.apache.giraph.examples.SimpleShortestPathsVertex \ -vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat \ -vip /in/input \ -of org.apache.giraph.io.formats.IdWithValueTextOutputFormat \ -op /outShortest \ -w 2 How can I increase the number of workers?
