yc_hen擅长java,Haoop,mysql,等方面的知识...
2023-10-11 14:27 阅读 阅读全文一、Hadoop性能测试1. 测试HDFS写性能:向HDFS集群写10个128M的文件yexiang@hadoop2:<~>$ hadoop jar /opt/soft/hadoop-2.7.2/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.7.2-tests.jar TestDFSIO -write -nrFiles 10 -fileSize 128MB2.测试HDFS读性能:读取HDFS集......
2023-10-09 22:59 阅读 阅读全文文章目录1. Haoop简介2. 安装单机版Hadoop3. Hadoop运行3.1 独立运行/Local (Standalone) Mode3.2 伪分布式集群/Pseudo-Distributed Mode3.3 全分布式集群/Fully-Distributed Mode1. Haoop简介MFS作为分布式文件系统,有很强的灵活扩展性,常用于网盘等;但做......
2023-10-11 14:27 阅读 阅读全文