文件存储HDFS版副本设置的相关内容

问答 2021-12-05 来自：开发者社区

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。可以再上传文件的同时指定创建的副本数Hadoop dfs -D dfs.replication=1 -...

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更新时间 2023-05-11 13:51:44

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文件存储HDFS

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快速使用文件存储HDFS

常见问题

HDFS的副本数用什么命令来设置？

HDFS副本设置——默认3

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