<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[carpenterworm_的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/carpenterworm_</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; carpenterworm_]]></copyright><item><title><![CDATA[scala -_._2 表示什么]]></title><link>https://blog.youkuaiyun.com/carpenterworm_/article/details/129905873</link><guid>https://blog.youkuaiyun.com/carpenterworm_/article/details/129905873</guid><author>carpenterworm_</author><pubDate>Sun, 02 Apr 2023 01:14:01 +0800</pubDate><description><![CDATA[是一个Scala中的表达式，通常用于对集合进行排序。它表示使用元组中的第二个元素作为排序的关键字，并按照倒序排序。也经常用于对键值对RDD按照值进行排序，例如对词频统计结果进行排序。表示按照元组的第一个元素倒序排序，即按照整数倒序排序。是一个包含三个元组的列表，每个元组都包含一个整数和一个字符串。表示按照元组的第二个元素倒序排序。表示取一个元组的第二个元素，方法用于对列表进行排序，其中。方法将排序后的列表打印出来。完整的词频统计的例子如下。]]></description><category></category></item><item><title><![CDATA[Spark调度系统原理]]></title><link>https://blog.youkuaiyun.com/carpenterworm_/article/details/129905332</link><guid>https://blog.youkuaiyun.com/carpenterworm_/article/details/129905332</guid><author>carpenterworm_</author><pubDate>Sun, 02 Apr 2023 00:09:22 +0800</pubDate><description><![CDATA[Spark调度系统原理，DAGScheduler, TaskScheduler, SchedulerBackend]]></description><category></category></item><item><title><![CDATA[小文件合并]]></title><link>https://blog.youkuaiyun.com/carpenterworm_/article/details/127130723</link><guid>https://blog.youkuaiyun.com/carpenterworm_/article/details/127130723</guid><author>carpenterworm_</author><pubDate>Sat, 01 Oct 2022 00:27:12 +0800</pubDate><description><![CDATA[hdfs小文件合并]]></description><category></category></item><item><title><![CDATA[ERROR launching ‘JD-GUI‘ No suitable Java version]]></title><link>https://blog.youkuaiyun.com/carpenterworm_/article/details/127083575</link><guid>https://blog.youkuaiyun.com/carpenterworm_/article/details/127083575</guid><author>carpenterworm_</author><pubDate>Wed, 28 Sep 2022 09:53:10 +0800</pubDate><description><![CDATA[JD-GUI]]></description><category></category></item><item><title><![CDATA[Hive数据倾斜判断依据及解决办法]]></title><link>https://blog.youkuaiyun.com/carpenterworm_/article/details/127069920</link><guid>https://blog.youkuaiyun.com/carpenterworm_/article/details/127069920</guid><author>carpenterworm_</author><pubDate>Tue, 27 Sep 2022 13:43:32 +0800</pubDate><description><![CDATA[数据倾斜，Dr.Elephant]]></description><category></category></item><item><title><![CDATA[Springboot 消息生产与消费基于Kafka]]></title><link>https://blog.youkuaiyun.com/carpenterworm_/article/details/127069835</link><guid>https://blog.youkuaiyun.com/carpenterworm_/article/details/127069835</guid><author>carpenterworm_</author><pubDate>Tue, 27 Sep 2022 13:37:44 +0800</pubDate><description><![CDATA[Kafka安装，消息生产与消费]]></description><category></category></item></channel></rss>