优化

/data/app/ald_spark/spark/bin/spark-submit --deploy-mode cluster --total-executor-cores 9 --supervise --num-executors 9  --executor-memory 2g --conf spark.streaming.backpressure.enabled=true --conf spark.streaming.kafka.maxRatePerPartition=1500 --conf spark.logConf=true --class Ald_online --master spark://$MASTER_HOST:7077 hdfs://Master:9000/ald/application/ald_online.jar

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