/etc/sysconfig/network-scripts/ifcfg-eth0 service network restart 性能調優的王道是優化資源調度，或者給更多的資源進行調度 /server/spark/spark-submit --class cn.spark.sparkest.core.WordCountCluster --num-executors 3 --driver-memory 100m --executor-memory 100m --executor-cores 3 /server/SparkTest-0.0.1-SNASPSHOT-jar-with-dependencies.jar
Spark Core 、Sqark SQl 和 Spark Streaming