http://blog.csdn.net/aws0to1/article/details/46990313 目标 使用Lambda和API gateway搭建一个HTTP API，返回文本信息 步骤 在Lambda中创建python函数 函数名 helloWorld 函数体： import json print('Loading... Read More | Share it now!
Monthly Archives: February 2018
Exception in thread “main” org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /testtxt. could only be replicated to 0 nodes instead of minReplication (=1). There are 1 datanode(s) running and 1 node(s) are excluded in this operation.
Issue: When you upload a file to HDFS, you may encounter following exception. Exception: Exception in thread “main” org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /testtxt. could only be replicated to 0 nodes instead of... Read More | Share it now!
MapReduce:详解Shuffle过程
http://langyu.iteye.com/blog/992916 Shuffle过程是MapReduce的核心，也被称为奇迹发生的地方。要想理解MapReduce，... Read More | Share it now!
Scala菜鸟教程
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[转]利用IntelliJ IDEA与Maven开始你的Scala之旅
转自：https://www.jianshu.com/p/ecc6eb298b8f 一. IntelliJ IDEA安装及配置 1.1 IntelliJ IDEA下载及安装 首先在 CHOOSE YOUR EDITION... Read More | Share it now!
linux日志显示too many open files解决
某linux服务器的日志每隔几天就会报错。内容如下： ERROR ipnet.dc.pmprobe.SnmpScalarQueryJoe.execute()(146) – Too many open files java.net.SocketException: Too many open files 向同事咨询了一下，一般报Too... Read More | Share it now!