文件存储HDFS版设置的相关内容

flume实时读取目录文件到HDFS中如何设置文件的滚动与Event数量无关？

Hadoop 分布式文件系统 HDFS

43 课时 |

945 人已学 |

加入学习

flink写hdfs任务设置了checkpoint 每天一个新目录服务正常运行但是发现有不少处

flink写hdfs任务设置了checkpoint 每天一个新目录服务正常运行但是发现有不少处于inprogress状态的文件未进行正常flush 是不是缺少什么配置呀？

flink state.backend是rocksdb，存储在hdfs上，经常遇到checkpoint执行不成功的情况 checkpoint超时过期的原因（设置checkpoint超时为60s）

flink程序在yarn上执行 kafka source topic分区为20 设置程序并行度为10，-yn 2 -ys 5 -ytm 26600 -yjm 5120，我看到网上有说是因为程序并行度太高导致打开的文件数太多，从而导致的在hdfs创建文件不成功，但是我的并行度设置的并不高啊，有知道原因...

HDFS副本设置——默认3

首先 dfs.replication这个参数是个client参数，即node level参数。需要在每台datanode上设置。其实默认为3个副本已经够用了，设置太多也没什么用。一个文件，上传到hdfs上时指定的是几个副本就是几个。以后你修改了副本数，对已经上传了的文件也不会起作用。可以再上传文...

共有16条

< 1 2 >

跳转至： GO

更新时间 2024-04-18 05:57:45

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。

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":[]}}