/etc/sysconfig/network-scripts/ifcfg-eth0 service 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
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