spark文件存储HDFS版的相关内容

spark的RDD内容直接用saveAsTextFile保存到hdfs时会出现中文乱码现象，但在控制台用foreach打印该RDD数据显示是正常的，该怎么解决呢？

使用spark 2.3 structed streaming 时 checkpoint 频繁在HDFS写小文件，块数到达百万级别，这个怎么优化下

请教各位大神们：使用spark 2.3 structed streaming 时 checkpoint 频繁在HDFS写小文件，块数到达千万级别，这个怎么优化下

Hadoop 分布式文件系统 HDFS

43 课时 |

945 人已学 |

加入学习

如何使用spark将kafka主题中的writeStream数据写入hdfs？

我一直试图让这段代码工作几个小时：val spark = SparkSession.builder() .appName("Consumer") .getOrCreate() spark.readStream .format("kafka") .option("kafka.bootstrap.ser...

想了解Spark ShuffleMapTask计算的输出文件，是如何把大于内存的输入数据(HDFS数据源)进行合并相同key,并进行排序的

[问题]).ShuffleMapTask输出数据文件前，key合并，和排序是如何做到的，如果数据远大于内存?).SPARK 1.6.0-cdh5.15.0[复现]).scala worldcount: val distFile:org.apache.spark.rdd.RDD[String] = s...

Spark从本地文件流式传输到hdfs。textFileStream

我正在尝试将本地目录内容流式传输到HDFS。脚本将修改此本地目录，并且每5秒添加一次内容。我的spark程序将流式传输本地目录内容并将其保存到HDFS。但是，当我开始流式传输时，没有任何事情发生。我检查了日志，但我没有得到提示。让我解释一下这个场景。shell脚本将在本地目录中每5秒移动一个带有一...

Spark HadoopRDD读取HDFS文件

Spark HadoopRDD读取HDFS文件更多资源 SPARK 源码分析技术分享(bilibilid视频汇总套装视频): https://www.bilibili.com/video/av37442139/ github: https://github.com/opensourceteams/...

spark-submit --files hdfs：//文件在驱动程序的/ tmp中缓存

我正在运行这样的spark-submit：spark-submit --deploy-mode client --master yarn --conf spark.files.overwrite=true --conf spark.local.dir='/my/other/tmp/with/more...

各位高手，flink有没有像spark那样的启动命令，可以直接加载hdfs上的jar包

各位高手，flink有没有像spark那样的启动命令，可以直接加载hdfs上的jar包?

[Spark][Python]对HDFS 上的文件，采用绝对路径，来读取获得 RDD

对HDFS 上的文件，采用绝对路径，来读取获得 RDD: In [102]: mydata=sc.textFile("file:/home/training/test.txt") 17/09/24 06:31:04 INFO storage.MemoryStore: Block broadcast_...

Spark连接Hadoop读取HDFS问题小结

Spark与hadoop版本我使用0.7.2的Spark版本，且是pre-built过的版本，支持的hadoop版本是hadoop1。在http://spark-project.org/files/上能下载的预编译过的spark版本里，凡是预编译cdh4的压缩包，下载后解压会中断，文件本身有问题。...

共有30条

< 1 2 3 >

跳转至： GO

更新时间 2024-03-16 12:25:18

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":[]}}

文件存储HDFS

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。

产品控制台

申请公测

产品文档

产品入门

快速使用文件存储HDFS

常见问题