<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[zhangleilei_的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/zhangleilei_</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; zhangleilei_]]></copyright><item><title><![CDATA[Day06-哈希表part01]]></title><link>https://blog.youkuaiyun.com/zhangleilei_/article/details/158617973</link><guid>https://blog.youkuaiyun.com/zhangleilei_/article/details/158617973</guid><author>zhangleilei_</author><pubDate>Tue, 03 Mar 2026 17:21:28 +0800</pubDate><description><![CDATA[哈希表是根据关键码（索引）的值而直接进行访问的数据结构。]]></description><category></category></item><item><title><![CDATA[HDFS写数据流程]]></title><link>https://blog.youkuaiyun.com/zhangleilei_/article/details/128193842</link><guid>https://blog.youkuaiyun.com/zhangleilei_/article/details/128193842</guid><author>zhangleilei_</author><pubDate>Mon, 05 Dec 2022 21:48:45 +0800</pubDate><description><![CDATA[（1）客户端向NameNode发出写文件请求（2）NameNode检查是否已存在文件、检查权限，Namenode应答可以上传。]]></description><category></category></item><item><title><![CDATA[HDFS读数据流程]]></title><link>https://blog.youkuaiyun.com/zhangleilei_/article/details/128193418</link><guid>https://blog.youkuaiyun.com/zhangleilei_/article/details/128193418</guid><author>zhangleilei_</author><pubDate>Mon, 05 Dec 2022 21:38:35 +0800</pubDate><description><![CDATA[（1）客户端给NameNode发起文件下载请求

（2）NameNode进行两项检查（1.检查用户是否有权限下载2.检查文件是否存在）]]></description><category></category></item></channel></rss>