Spark 安装与启动

1.安装

• 下载cdh5(http://archive.cloudera.com/cdh5/cdh/5/) 中下载bin.tar到software，然后解压到应用文件夹（建议名称为app）
• 配置环境变量

2.启动与退出

  1.spark  启动——进入${sparkhome}  执行 spark   --master   local[4]

  2.spark  退出——：quit

3.错误排查

java.net.BindException: Cannot assign requested address: Service 'sparkDriver' failed after 16 retries (on a random free port)! Consider explicitly setting the appropriate binding address for the service 'sparkDriver' (for example spark.driver.bindAddress for SparkDriver) to the correct binding address.

 1.错误原因——虚拟机复制后/etc/hosts 文件的ip未修改

 2.解决方法——修改etc/hosts