Hadoop shell 的相关内容

文章 2017-11-03 来自：开发者社区

shell命令使用Hadoop归档文件

　每个文件HDFS采用块方式进行存储，在系统运行时，文件块的元数据信息会被存储在NameNode的内存中，因此，对HDFS来说，大规模存储小文件显然是低效的，很多小文件会耗尽NameNode的大部分内存。　　Hadoop归档文件和HAR文件可以将文件高效地放入HDFS块中的文件存档设备，在减少NameNode内存使用的同时，仍然允许对文件进行透明访问。具体来说，Hadoop归档文件可以作为Ma....

文章 2017-09-13 来自：开发者社区

Hadoop Shell命令

本文讲的是Hadoop Shell命令，【IT168 资讯】调用文件系统(FS)Shell命令应使用 bin/hadoop fs 的形式。所有的的FS shell命令使用URI路径作为参数。URI格式是scheme://authority/path。对HDFS文件系统，scheme是hdfs，对本地文件系统，scheme是file。其中scheme和authority参数都是可选的，如果未加指....

文章 2017-09-01 来自：开发者社区

Hadoop Shell命令（基于linux操作系统上传下载文件到hdfs文件系统基本命令学习）

Apache-->hadoop的官网文档命令学习：http://hadoop.apache.org/docs/r1.0.4/cn/hdfs_shell.html FS Shell 调用文件系统(FS)Shell命令应使用 bin/hadoop fs <args>的形式。所有的的FS shell命令使用URI路径作为参数。URI格式是scheme://authority/pa.....

文章 2017-05-02 来自：开发者社区

《Hadoop实战手册》一1.2 使用Hadoop shell命令导入和导出数据到HDFS

本节书摘来异步社区《Hadoop实战手册》一书中的第1章，第1.2节，作者：【美】Jonathan R. Owens , Jon Lentz , Brian Femiano 译者：傅杰 , 赵磊 , 卢学裕责编：杨海玲，更多章节内容可以访问云栖社区“异步社区”公众号查看。 1.2 使用Hadoop shell命令导入和导出数据到HDFS HDFS提供了许多shell命令来实现访问文件系统....

文章 2016-04-11 来自：开发者社区

Hadoop自动化安装shell脚本

之前写过一些如何安装Cloudera Hadoop的文章，安装hadoop过程中，最开始是手动安装apache版本的hadoop，其次是使用Intel的IDH管理界面安装IDH的hadoop，再然后分别手动和通过cloudera manager安装hadoop，也使用bigtop-util yum方式安装过apache的hadoop。安装过程中参考了很多网上的文章，解压缩过cloudera的c....

问答 2016-04-08 来自：开发者社区

为什么在hadoop Shell终端停不了job?

为什么在hadoop Shell终端停止运行还停不了job?

文章 2014-12-09 来自：开发者社区

Hadoop大象之旅009-通过Shell操作hdfs

Hadoop大象之旅009-通过Shell操作hdfs &nbs...

共有77条

< 1 ... 4 5 6 7 8 >

跳转至： GO

更新时间 2024-10-14 09:05:45

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

hadoop更多shell相关

hadoop您可能感兴趣

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":3,"count":3}]},"card":[{"des":"E-MapReduce 是构建于阿里云ECS弹性虚拟机之上，利用开源大数据生态系统，包括Hadoop，Spark，Kafka，Storm，为用户提供集群，作业，数据等管理的一站式大数据处理分析业务。","link1":"https://www.aliyun.com/product/emr","link":"https://www.aliyun.com/product/emr","icon":"https://img.alicdn.com/tfs/TB10yI6DNn1gK0jSZKPXXXvUXXa-201-200.png","btn2":"产品文档","tip":"海量存储，离线计算，实时计算场景等各种场景，Hadoop，Spark，Hive，Kafka，Storm等集群快速购买，<a href=\"https://www.aliyun.com/product/emapreduce\" target=\"_blank\">立即查看</a>产品动态发布：<a href=\"https://www.aliyun.com/product/new\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/document_detail/28068.html","title":"E-MapReduce"}],"search":[{"txt":"购买建议","link":"https://help.aliyun.com/document_detail/65683.html"},{"txt":"集群规划","link":"https://help.aliyun.com/document_detail/58901.html"},{"txt":"Spark开发入门","link":"https://help.aliyun.com/document_detail/28116.html"},{"txt":"快速入门","link":"https://help.aliyun.com/document_detail/43753.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/emapreduce","icon":"emapreduce","contentLink":"https://www.aliyun.com/product/emapreduce?spm=5176.19720258.J_8058803260.198.4d7a2c4aDND26z","title":"开源大数据平台 E-MapReduce","des":"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。","btn1":"产品控制台","link1":"https://emr-next.console.aliyun.com/","btn2":"立即开通","link2":"https://emr-next.console.aliyun.com/#/create/ecs","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/28068.html","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"StarRocks 免费试用","firstContentLink":"https://free.aliyun.com/?pipCode=emapreduce&spm=5176.28055625.J_4VYgf18xNlTAyFFbOuOQe.118.e939154awRTC1N&scm=20140722.M_9821919._.V_1"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速入门指导","firstContentLink":"https://help.aliyun.com/document_detail/176795.html?spm=a2c4g.11186623.6.572.68403b8bI3rak8","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/28186.html?spm=a2c4g.11186623.6.1143.7bce1c52WiJTBt"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"EMR实时计算实践","firstContentLink":"https://help.aliyun.com/document_detail/127198.html?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP","lastContentName":"EMR弹性计算实践","lastContentLink":"https://bp.aliyun.com/front/home/detail/36?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP"}},{"infoContent":{"lastContentName":"","lastContentLink":"","firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/new?category=19&product=125"},"infoName":"最新动态"}],"ifIcon":"icon","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":3,"count":3}]},"card":[{"des":"E-MapReduce 是构建于阿里云ECS弹性虚拟机之上，利用开源大数据生态系统，包括Hadoop，Spark，Kafka，Storm，为用户提供集群，作业，数据等管理的一站式大数据处理分析业务。","link1":"https://www.aliyun.com/product/emr","link":"https://www.aliyun.com/product/emr","icon":"https://img.alicdn.com/tfs/TB10yI6DNn1gK0jSZKPXXXvUXXa-201-200.png","btn2":"产品文档","tip":"海量存储，离线计算，实时计算场景等各种场景，Hadoop，Spark，Hive，Kafka，Storm等集群快速购买，<a href=\"https://www.aliyun.com/product/emapreduce\" target=\"_blank\">立即查看</a>产品动态发布：<a href=\"https://www.aliyun.com/product/new\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/document_detail/28068.html","title":"E-MapReduce"}],"search":[{"txt":"购买建议","link":"https://help.aliyun.com/document_detail/65683.html"},{"txt":"集群规划","link":"https://help.aliyun.com/document_detail/58901.html"},{"txt":"Spark开发入门","link":"https://help.aliyun.com/document_detail/28116.html"},{"txt":"快速入门","link":"https://help.aliyun.com/document_detail/43753.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/emapreduce","icon":"emapreduce","contentLink":"https://www.aliyun.com/product/emapreduce?spm=5176.19720258.J_8058803260.198.4d7a2c4aDND26z","title":"开源大数据平台 E-MapReduce","des":"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。","btn1":"产品控制台","link1":"https://emr-next.console.aliyun.com/","btn2":"立即开通","link2":"https://emr-next.console.aliyun.com/#/create/ecs","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/28068.html","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"StarRocks 免费试用","firstContentLink":"https://free.aliyun.com/?pipCode=emapreduce&spm=5176.28055625.J_4VYgf18xNlTAyFFbOuOQe.118.e939154awRTC1N&scm=20140722.M_9821919._.V_1"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速入门指导","firstContentLink":"https://help.aliyun.com/document_detail/176795.html?spm=a2c4g.11186623.6.572.68403b8bI3rak8","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/28186.html?spm=a2c4g.11186623.6.1143.7bce1c52WiJTBt"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"EMR实时计算实践","firstContentLink":"https://help.aliyun.com/document_detail/127198.html?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP","lastContentName":"EMR弹性计算实践","lastContentLink":"https://bp.aliyun.com/front/home/detail/36?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP"}},{"infoContent":{"lastContentName":"","lastContentLink":"","firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/new?category=19&product=125"},"infoName":"最新动态"}],"ifIcon":"icon","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png"}]}}

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。

产品控制台

立即开通

产品文档

优惠活动

StarRocks 免费试用

产品入门

快速入门指导

常见问题

最佳实践

EMR实时计算实践