spark调优

/etc/sysconfig/network-scripts/ifcfg-eth0service network restart性能调优的王道是优化资源调度，或者给更多的资源进行调度/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