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[帮助文档] Hadoop查询延时

当您基于Hadoop进行交互式大数据分析查询，遇到查询延迟的问题时，可以将数据同步至阿里云Elasticsearch中再进行查询分析。ES对于多种查询类型，特别是即席查询（Ad Hoc），基本可以达到秒级响应。本文介绍通过DataWorks的数据集成服务，快速将海量数据同步到阿里云ES中。

阿里云E-MapReduceJindo DistCp是否支持将数据从Hadoop同步至aws的s3？

阿里云E-MapReduce我们自建了一个带有kerberos的hadoop集群，Jindo DistCp是否支持将数据从Hadoop同步至aws的s3？

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

28 课时 |

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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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阿里云E-MapReduce 还需要搭建Hadoop环境吗？

阿里云E-MapReduce flume通过jindosdk写入oss的话，还需要搭建Hadoop环境吗？

[帮助文档] 如何通过ES-Hadoop实现Hive读写阿里云Elasticsearch数据

ES-Hadoop是Elasticsearch推出的专门用于对接Hadoop生态的工具，可以让数据在Elasticsearch和Hadoop之间双向移动，无缝衔接Elasticsearch与Hadoop服务，充分使用Elasticsearch的快速搜索及Hadoop批处理能力，实现交互式数据处理。本...

阿里云E-MapReduce的那hadoop sdk怎么拿到？maven里没有。

[帮助文档] 如何通过ES-Hadoop实现Spark读写阿里云Elasticsearch数据

Spark是一种通用的大数据计算框架，拥有Hadoop MapReduce所具有的计算优点，能够通过内存缓存数据为大型数据集提供快速的迭代功能。与MapReduce相比，减少了中间数据读取磁盘的过程，进而提高了处理能力。本文介绍如何通过ES-Hadoop实现Hadoop的Spark服务读写阿里云El...

自建Hadoop集群使用阿里云oss-hdfs报错

背景:公司自建Hadoop集群;使用阿里云服务;申请了oss-hdfs bucket;按照官方说明也配置了 https://help.aliyun.com/document_detail/415019.html 但是还是遇到了问题.,问题如下: hdfs操作可以;已经生成了测试数据并上传到oss-h...

阿里云配置hadoop并远程访问

记录一下遇到的坑问题：按照阿里云提供的方案部署hdfs并修改配置文件后，在本地通过java调用HDFS的API，发现仍然不能从本地进行远程访问，提示连接被拒绝。需要额外做的步骤：1.把defaultFS里的localhost改成云主机的内网IP，注意是内网IP。2.在本地修改hosts文件（步骤自行...

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