spark踩坑--WARN ProcfsMetricsGetter: Exception when trying to compute pagesize的最全解法 问题描述 大概是今年上半年的时候装了spark(windows环境/spark-3.0.0-preview2/hadoop2.7),装完环境之后就一直没管,今天用的时候出现了这个错误: 20/12/17 12:06:34 ERROR Shell: Failed to locate the winutils binary in the
从两方面来阐述spark的组件,一个是宏观上,一个是微观上. 1. spark组件 要分析spark的源码,首先要了解spark是如何工作的.spark的组件: 了解其工作过程先要了解基本概念 官方罗列了一些概念: Term Meaning Application User program built on Spark. Consists of a driver program and executors on the cluster. Application jar A jar contain