I’m confused about unaligned memory accesses on ARM. My understanding was that they’re not allowed — that is, dereferencing a 32-bit value from a pointer that’s not four-byte aligned will crash. I’ve run into such crashes before. But right now I’ve g…
简介: Apache Sqoop 是一种用于 Apache Hadoop 与关系型数据库之间结构化.非结构化数据转换的工具. 一.安装 MySQL.导入测试数据 1.文档链接:http://www.cnblogs.com/wangxiaoqiangs/p/5336048.html 2.导入测试数据 mysql > create database tmpdb; mysql > use tmpdb; mysql > system ls tmp_recommend_hot.sql mysql…