text: #!/bin/bash
  
  MAIN="./bazel-bin/example/pagerank" # process name
  
  WNUM=4
  WCORES=4
  
  INPUT=${INPUT:='hdfs://cluster1/user/zhangsan/data/graph/raw_graph_10_9.csv'}
  OUTPUT=${OUTPUT:='hdfs://cluster1/user/zhangsan/pagerank_raw_graph_10_9'}
  NOT_ADD_REVERSED_EDGE=${NOT_ADD_REVERSED_EDGE:=true}  # let plato auto add reversed edge or not
  
  ALPHA=-1
  PART_BY_IN=false
  
  EPS=${EPS:=0.0001}
  DAMPING=${DAMPING:=0.85}
  ITERATIONS=${ITERATIONS:=100}
  
  export MPIRUN_CMD=${MPIRUN_CMD:='/opt/mpich-3.2.1/bin/mpiexec.hydra'}
  export JAVA_HOME=${APP_JAVA_HOME:='/opt/jdk1.8.0_211'}
  export HADOOP_HOME=${APP_HADOOP_HOME:='/opt/hadoop-2.7.4'}
  export HADOOP_CONF_DIR="${HADOOP_HOME}/etc/hadoop"
  
  PARAMS+=" --threads ${WCORES}"
  PARAMS+=" --input ${INPUT} --output ${OUTPUT} --is_directed=${NOT_ADD_REVERSED_EDGE}"
  PARAMS+=" --iterations ${ITERATIONS} --eps ${EPS} --damping ${DAMPING}"
  
  # env for JAVA && HADOOP
  export LD_LIBRARY_PATH=${JAVA_HOME}/jre/lib/amd64/server:${LD_LIBRARY_PATH}
  
  # env for hadoop
  export CLASSPATH=${HADOOP_HOME}/etc/hadoop:`find ${HADOOP_HOME}/share/hadoop/ | awk '{path=path":"$0}END{print path}'`
  export LD_LIBRARY_PATH="${HADOOP_HOME}/lib/native":${LD_LIBRARY_PATH}
  
  chmod 777 ./${MAIN}
  ${MPIRUN_CMD} -n ${WNUM} ./${MAIN} ${PARAMS}
  exit $?
  
  