tracyking1986的博客

1、mysql 数据库配置     linux mysql安装步骤省略。     创建数据库与表     CREATE DATABASE nutch DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;     CREATE TABLE `webpage` ( ...

Here are the things that could potentially slow down fetching 下面这些是潜在的影响爬取效率的内容：   1) DNS setup 2) The number of crawlers you have, too many, too few. 3) Bandwidth limitations 4) Number o...