hadoop部署的相关内容

文章 2017-08-01 来自：开发者社区

成本与性能兼得简化Hadoop云部署的高招

对于大数据管理和分析应用程序云服务，用户的关注度正不断增长，而为了应对这一趋势，供应商已经开始努力简化Hadoop的云部署流程，并试图降低云端Hadoop的购买价格。大数据和云计算现在对于Hadoop供应商和一些大数据技术公司来说，已经变得十分重要。这些公司正在尝试使用新方法，来简化用户部署Hadoop云系统的步骤，并降低用户的部署成本。例如，Cloudera将计量功能加入其Cloudera....

文章 2017-08-01 来自：开发者社区

成本性能要兼得?简化Hadoop云部署有高招

文章 2017-07-03 来自：开发者社区

Linux下部署Hadoop伪分布模式

Hadoop版本为1.2.1 　　Linux使用Fedora19并使用hadoop账号安装　　第一步：配置ssh本地登录证书（虽然为伪分布模式，Hadoop依然会使用SSH进行通信） [hadoop@promote ~]$ which ssh /usr/bin/ssh [hadoop@promote ~]$ which ssh-keygen /usr/bin/ssh-keygen [ha...

文章 2017-07-03 来自：开发者社区

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况。　　原因分析：　　RHEL 6.2和6.3系统中包含了一个新特性，被称为“transpare...

文章 2017-05-26 来自：开发者社区

Hadoop单机部署方法

安装Java JDK：到sun网站上下载jdk chmod +x jdk-6u30-linux-x64.bin ./jdk-6u30-linux-x64.bin 下载Hadoop wget http://labs.renren.com/apache-mirror/hadoop/common/hadoop-0.20.205.0/hadoop-0.20.205.0.tar.g...

文章 2017-04-11 来自：开发者社区

hadoop权威指南学习(一) - 天气预报MapReduce程序的开发和部署

看过Tom White写的Hadoop权威指南(大象书)的朋友一定得从第一个天气预报的Map Reduce程序所吸引，殊不知，Tom White大牛虽然在书中写了程序和讲解了原理，但是他以为你们都会部署了，这里轻描淡写给带过了，这样就给菜鸟们留了课题，其实在跑书中的程序的时候，如果没经验，还是会踩坑的。这里笔者就把踩过的坑说一下，以防后来人浪费时间了。 1. 首先，你得下载书中的ncdc气....

文章 2017-03-01 来自：开发者社区

【Hadoop Summit Tokyo 2016】一个持续部署的Hadoop数据分析平台

本讲义出自Graham Gear在Hadoop Summit Tokyo 2016上的演讲，主要分享了数据工程开发管道的相关内容并介绍了持续部署的Hadoop数据分析平台Cloudera。

问答 2016-12-05 来自：开发者社区

云服务器ECS上能部署Cloudera的Hadoop集群吗

问答 2016-11-01 来自：开发者社区

datax可以部署在hadoop集群上吗？

如题，因为datax为单机应用，现在想将其部署于hadoop集群，然后使用oozie调度，求大神指点。。。

问答 2016-07-18 来自：开发者社区

在Linux部署hadoop，启动出错

启动时整个输出很多信息，正常情况下，应该只有几行，启动了namenode、datanode等，但是我在启动的时候却一直报‘ssh: Could not resolve hostname ’具体信息如下：[root@hbase ~]# start-dfs.sh with: ssh: Could not resolve hostname with: Temporary failure in nam.....

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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EMR实时计算实践