<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Matthew93的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Matthew93</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Matthew93]]></copyright><item><title><![CDATA[项目范围管理]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/139268819</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/139268819</guid><author>Matthew93</author><pubDate>Tue, 28 May 2024 15:37:44 +0800</pubDate><description><![CDATA[范围潜变]]></description><category></category></item><item><title><![CDATA[Flink中slot和并行度]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/133300666</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/133300666</guid><author>Matthew93</author><pubDate>Tue, 26 Sep 2023 11:03:37 +0800</pubDate><description><![CDATA[slot和并行度]]></description><category></category></item><item><title><![CDATA[Flink中的批和流]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132857157</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132857157</guid><author>Matthew93</author><pubDate>Wed, 13 Sep 2023 16:28:02 +0800</pubDate><description><![CDATA[了解]]></description><category></category></item><item><title><![CDATA[HashMap的put方法流程]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132201057</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132201057</guid><author>Matthew93</author><pubDate>Thu, 10 Aug 2023 08:03:29 +0800</pubDate><description><![CDATA[HashMap的put流程]]></description><category></category></item><item><title><![CDATA[Hive常见面试题]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132125341</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132125341</guid><author>Matthew93</author><pubDate>Sat, 05 Aug 2023 22:39:05 +0800</pubDate><description><![CDATA[Hive是一个基于Hadoop生态系统的数据仓库和数据处理工具。它提供了类似于SQL的查询语言（HiveQL），使用户能够使用SQL语句来查询和分析大规模存储在Hadoop集群上的数据。Hive的主要作用是将大数据的处理变得更加易于理	 解和使用，尤其适合那些熟悉SQL查询语言的非技术用户。Hive允许用户定义表、执行查询、进行数据转换和加载，以及执行ETL（抽取、转换、加载）操作，从而使大数据分析更加简单。Hive表的分区是将表的数据根据特定的列值进行逻辑分隔的一种机制。]]></description><category></category></item><item><title><![CDATA[Hive执行引擎的区别]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132125464</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132125464</guid><author>Matthew93</author><pubDate>Sat, 05 Aug 2023 22:28:28 +0800</pubDate><description><![CDATA[Tez 和 Spark 在性能上通常优于传统的 MapReduce。Spark 利用内存计算和数据共享，提供更高的执行速度。Tez 通过优化执行流程来降低计算开销，提高任务执行效率。综上所述，选择适当的执行引擎取决于具体的数据处理需求和性能要求。MapReduce适合传统大规模批处理，Tez 适合需要更低延迟的任务，Spark 则适用于多种工作负载。执行引擎 Tez、Spark 和 MapReduce 都是用于在大数据处理中执行任务的框架或引擎，它们在性能、优化、适用场景等方面有一些区别。]]></description><category></category></item><item><title><![CDATA[线程池的参数]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132102857</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132102857</guid><author>Matthew93</author><pubDate>Fri, 04 Aug 2023 13:55:32 +0800</pubDate><description><![CDATA[线程池的一些问题]]></description><category></category></item><item><title><![CDATA[Redis的常用数据结构]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132093827</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132093827</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 22:50:46 +0800</pubDate><description><![CDATA[redis的常用数据结构]]></description><category></category></item><item><title><![CDATA[HashMap的原理]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132082485</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132082485</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 14:17:26 +0800</pubDate><description><![CDATA[HashMap的底层原理]]></description><category></category></item><item><title><![CDATA[数据建模方法论]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132074216</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132074216</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 00:39:04 +0800</pubDate><description><![CDATA[ETL数据建模]]></description><category></category></item><item><title><![CDATA[springCloud组件]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132074178</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132074178</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 00:33:41 +0800</pubDate><description><![CDATA[springCloud组件介绍]]></description><category></category></item><item><title><![CDATA[中介者模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070619</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070619</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 00:16:17 +0800</pubDate><description><![CDATA[中介者模式]]></description><category></category></item><item><title><![CDATA[命令设计模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070574</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070574</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 00:15:42 +0800</pubDate><description><![CDATA[命令模式]]></description><category></category></item><item><title><![CDATA[策略设计模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070518</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070518</guid><author>Matthew93</author><pubDate>Thu, 03 Aug 2023 00:15:09 +0800</pubDate><description><![CDATA[策略模式]]></description><category></category></item><item><title><![CDATA[观察者模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070309</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070309</guid><author>Matthew93</author><pubDate>Wed, 02 Aug 2023 20:05:43 +0800</pubDate><description><![CDATA[观察者模式]]></description><category></category></item><item><title><![CDATA[桥接设计模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070183</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070183</guid><author>Matthew93</author><pubDate>Wed, 02 Aug 2023 20:00:59 +0800</pubDate><description><![CDATA[桥接模式]]></description><category></category></item><item><title><![CDATA[外观设计模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070143</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070143</guid><author>Matthew93</author><pubDate>Wed, 02 Aug 2023 19:54:43 +0800</pubDate><description><![CDATA[外观模式]]></description><category></category></item><item><title><![CDATA[代理设计模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132070058</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132070058</guid><author>Matthew93</author><pubDate>Wed, 02 Aug 2023 19:50:22 +0800</pubDate><description><![CDATA[代理模式]]></description><category></category></item><item><title><![CDATA[装饰器模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132069993</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132069993</guid><author>Matthew93</author><pubDate>Wed, 02 Aug 2023 19:45:47 +0800</pubDate><description><![CDATA[装饰器模式]]></description><category></category></item><item><title><![CDATA[原型设计模式]]></title><link>https://blog.youkuaiyun.com/Matthew93/article/details/132069963</link><guid>https://blog.youkuaiyun.com/Matthew93/article/details/132069963</guid><author>Matthew93</author><pubDate>Wed, 02 Aug 2023 19:42:48 +0800</pubDate><description><![CDATA[原型模式]]></description><category></category></item></channel></rss>