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闲言碎语
闲言碎语https://aws.amazon.com/cn/blogs/china/spark-job-ptimization-practice-on-emr/
September 29th, 2022 at 09:15 pm--driver-memory : driver内存大小--executor-memory : 每个executor的内存--num-executors : 总共申请的executor数目--executor-cores : 每个executor内的核数，即每个executor中的可并行的任务task数--spark.default.parallelism ： join、reduceByKe...
September 29th, 2022 at 09:12 pm点击查看详情
September 2nd, 2022 at 07:30 pm
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