hadoop压缩文件-阿里云

请问下，flink批，怎么读hadoop中的lzo压缩文件，包含索引读取

Hadoop 压缩文件方式比较

对于Hadoop文件常用的几种压缩方法，我写了一个java程序进行比较。期望是，给出一个大文件(bigfile.txt) ,我们用各种方式压缩他们然后最终复制到HDFS中。代码很简单：就是构造codec的实例,然后让它来创建到HDFS的输出流 /* ...

大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第一阶段

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第二阶段

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第三阶段

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hadoop mapreduce开发实践之HDFS压缩文件（-cacheArchive）

1、分发HDFS压缩文件（-cacheArchive）需求：wordcount（只统计指定的单词【the,and,had...】），但是该文件存储在HDFS上的压缩文件,压缩文件内可能有多个文件，通过-cacheArchive的方式进行分发； -cacheArchive hdfs://host:p...

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更新时间 2024-05-01 09:08:49

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