centos部署hadoop 的相关内容

centos 部署Hadoop-3.0-高性能集群（二）

上一篇主要说的是安装这一片说说怎么使用启动 [hadoop@146 hadoop-3.0.0]$ ./sbin/start-all.sh 1、查看进程，此时master有进程：namenode和 secondarynamenode进程： ps -...

centos 部署Hadoop-3.0-高性能集群（一）安装

Hadoop概述：Hadoop是一个由Apache基金会所开发的分布式系统基础架构。用户可以在不了解分布式底层细节的情况下，开发分布式程序。充分利用集群的威力进行高速运算和存储。 Hadoop的框架最核心的设计就是：HDFS和MapReduce。HDFS分布式文件系统为海量的数据提供了存储，则Map...

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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CentOS 6.2及最新操作系统部署Hadoop的注意事项

最近新采购的一批机器，由于intel cpu体系架构的改变，新机器的系统需要升级，选择了CentOS 6.2系统。　　1 在新机器上将MR业务开启后，导致整个集群都反应很慢，运行的job几乎都被卡住；通过ganglia监控发现，机器的system cpu超过30%，机器几乎是满负载的情...

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更新时间 2024-04-30 09:54:00

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