2017年9月20日

=>(scala)

摘要： 1Function<n>[A[,B,...],T] :a function that takes parameters of type A[,B...], and returns a value of type T. 2=>() :A function that returns Unit is al 阅读全文

posted @ 2017-09-20 07:01 satyrs 阅读(131) 评论(0) 推荐(0)

spark 01

摘要： debug environment http://spark.apache.org/docs/latest/building-spark.html 1spark-shell →spark-submit→(SparkSubmit)spark-class 2open jvm→thread dump→ma 阅读全文

posted @ 2017-09-20 05:03 satyrs 阅读(138) 评论(0) 推荐(0)

导航