hadoop服务器_第3页-阿里云

还在用Hadoop么？Hadoop服务器造成5PB数据泄露，中国、美国受波及最大！

根据John Matherly的说法，不适当地配置HDFS服务器——主要是Hadoop安装——将会泄露超过5PB的信息。John Matherly是用于发现互联网设备的搜索引擎Shodan的创始人。这位专家说，他发现了4487个HDFS服务器实例，这些服务器可通过公共IP地址获得，而且不需要身份验...

【Hadoop Summit Tokyo 2016】上云还是回到服务器：混合分析一瞥

本讲义出自Keith Manthey在Hadoop Summit Tokyo 2016上的演讲，主要分享了关于混合数据分析的两种架构的迁移，对于从服务器迁移到云端和从云端迁回到服务器进行了分析介绍，并且对于数据湖泊的概念进行了介绍。

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

33 课时 |

283 人已学 |

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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

28 课时 |

248 人已学 |

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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

25 课时 |

92 人已学 |

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Hadoop jobhistory历史服务器

Hadoop自带了一个历史服务器，可以通过历史服务器查看已经运行完的Mapreduce作业记录，比如用了多少个Map、用了多少个Reduce、作业提交时间、作业启动时间、作业完成时间等信息。默认情况下，Hadoop历史服务器是没有启动的，我们可以通过下面的命令来启动Hadoop历史服务器 $ sbi...

CentOS6上Hadoop集群中服务器cpu sys态异常的定位与解决

问题现象在zabbix系统中，对Hadoop集群的历史监控数据分析时，发现在执行大Job任务时，某些服务节点的cpu sys态很高；具体以hadoop_A服务节点为例，在10:15-10:40这个时间段，cpu user态为60%，而sys态则高达35%；对于整个Hadoop集群，并不是所有的...

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更新时间 2024-01-27 13:01:23

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