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Giraph 源码编译命令：        giraph_basedir $ mvn -Phadoop_yarn -Dhadoop.version={指定hadoop版本} -DskipTests clean install如果一切正常，在giraph_basedir/giraph-dist目录下已经生成目标 jarGiraph 编译中常见错误

1. Could not find or load main class org.apache.giraph.yarn.GiraphApplicationMaster16/08/30 08:45:13 ERROR yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation

Giraph Optionslabeltypedefault valuedescriptiongiraph.SplitMasterWorkerbooleantrueSeparate the workers and the master tasks. This is required to support dynam

运行 Giraph 提示 too many counters在加入 -ca mapreduce.job.counters.limit=1000 后，仍然运行失败16/10/20 08:56:08 INFO job.GiraphJob: Waiting for resources... Job will start only when it gets all 2 mappers16/10/20 08

Giraph 单机及集群上运行任务命令说明单机运行 Giraph 任务 在单机运行 Giraph 任务之前，确保已经设置了 HADOOP_CONF_DIR 环境变量的值命令行输入 $ export HADOOP_CONF_DIR=$GIRAPH_HOME 设置过环境变量后，就可以执行自己的任务了$ giraph [jar文件路径] [类名] -vif [节点输入格式的类名] -vip [