数据计算文件存储HDFS版的相关内容

大数据计算MaxCompute有一组di上线任务，数据源是hdfs，每天都运行，是什么原因呢？

大数据计算MaxCompute有一组di上线任务，数据源是hdfs，每天都运行，但是在information_schema.TASKS_HISTORY查不到运行记录，是什么原因呢？select * from(select distinct owner_name, get_json_object(se...

为啥datax读大数据计算MaxCompute和HDFS性能差10倍啊？

Hadoop 分布式文件系统 HDFS

43 课时 |

945 人已学 |

加入学习

【大数据计算】(一) HDFS操作方法和基础编程

1. HDFS操作常用Shell命令1.1 查看命令使用方法启动Hadoopstart-dfs.sh查看各种命令hdfs dfs -help1.2 HDFS目录操作1.2.1 目录操作方法查看HDFS下所有的目录hdfs dfs -ls创建一个input_test的目录hdfs dfs -mkdir...

为数据计算提供强力引擎，阿里云文件存储HDFS v1.0公测发布

在2019年3月的北京云栖峰会上，阿里云正式推出全球首个云原生HDFS存储服务—文件存储HDFS，为数据分析业务在云上提供可线性扩展的吞吐能力和免运维的快速弹性伸缩能力，降低用户TCO。阿里云文件存储HDFS的发布真正解决了HDFS文件系统不适应云上场景的缺陷问题，用户无须花费精力维护和优化底层存储...

共有4条

< 1 >

跳转至： GO

更新时间 2024-05-05 12:32:12

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。

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB18.sG0xv1gK0jSZFFXXb0sXXa-200-200.png","contentLink":"https://www.aliyun.com/product/alidfs","title":"文件存储HDFS","des":"文件存储HDFS提供标准的HDFS访问协议，用户无需对现有大数据分析应用做任何修改，即可使用具备无限容量及性能扩展、单一命名空间、高可靠和高可用等特性的分布式文件系统。","link1":"https://dfs.console.aliyun.com/?spm=5176.cnalidfs.0.0.2d296948Di5lgY","btn1":"产品控制台","link2":"http://page.aliyun.com/form/alidfsstd_beta/page.htm?spm=5176.cnalidfs.0.0.2d296948Di5lgY","btn2":"申请公测","btn3":"产品文档","link3":"https://help.aliyun.com/product/87442.html?spm=5176.cnalidfs.0.0.2d296948Di5lgY","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentName":"快速使用文件存储HDFS","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/101333.html?spm=a2c4g.11174283.6.548.7f1b121andUaTz","lastContentLink":"https://help.aliyun.com/knowledge_list/109455.html?spm=a2c4g.11186623.6.599.7b1f2bbcOdyaln"}},{"infoName":"相关产品","infoContent":{"firstContentLink":"https://www.aliyun.com/product/nas","firstContentName":"文件存储 NAS","lastContentName":"对象存储 OSS","lastContentLink":"https://www.aliyun.com/product/oss"}},{"infoName":"最佳实践","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/127300.html?spm=a2c4g.11186631.6.576.6d70c7a2FpQzXa","firstContentName":"CDH6数据迁移","lastContentLink":"https://help.aliyun.com/document_detail/124371.html?spm=a2c4g.11186623.6.572.1b125545p7oupa","lastContentName":"双向数据迁移"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB18.sG0xv1gK0jSZFFXXb0sXXa-200-200.png","contentLink":"https://www.aliyun.com/product/alidfs","title":"文件存储HDFS","des":"文件存储HDFS提供标准的HDFS访问协议，用户无需对现有大数据分析应用做任何修改，即可使用具备无限容量及性能扩展、单一命名空间、高可靠和高可用等特性的分布式文件系统。","link1":"https://dfs.console.aliyun.com/?spm=5176.cnalidfs.0.0.2d296948Di5lgY","btn1":"产品控制台","link2":"http://page.aliyun.com/form/alidfsstd_beta/page.htm?spm=5176.cnalidfs.0.0.2d296948Di5lgY","btn2":"申请公测","btn3":"产品文档","link3":"https://help.aliyun.com/product/87442.html?spm=5176.cnalidfs.0.0.2d296948Di5lgY","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentName":"快速使用文件存储HDFS","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/101333.html?spm=a2c4g.11174283.6.548.7f1b121andUaTz","lastContentLink":"https://help.aliyun.com/knowledge_list/109455.html?spm=a2c4g.11186623.6.599.7b1f2bbcOdyaln"}},{"infoName":"相关产品","infoContent":{"firstContentLink":"https://www.aliyun.com/product/nas","firstContentName":"文件存储 NAS","lastContentName":"对象存储 OSS","lastContentLink":"https://www.aliyun.com/product/oss"}},{"infoName":"最佳实践","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/127300.html?spm=a2c4g.11186631.6.576.6d70c7a2FpQzXa","firstContentName":"CDH6数据迁移","lastContentLink":"https://help.aliyun.com/document_detail/124371.html?spm=a2c4g.11186623.6.572.1b125545p7oupa","lastContentName":"双向数据迁移"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}