HDFS命令行附加 [英] HDFS Command Line Append

问题描述

是否可以通过命令行将HDFS上的文件添加到文件中?

Is there any way to append to a file on HDFS from command line like copying file:

hadoop fs -copyFromLocal <localsrc> URI

推荐答案

此功能在Hadoop 2.3.0中以

This feature is implemented in Hadoop 2.3.0 as appendToFile with a syntax like:

hdfs dfs -appendToFile localfile /user/hadoop/hadoopfile

(最初是在2009年考虑使用HDFS Append功能时提出的: https://issues.apache.org/jira/browse/HADOOP-6239 )

(it was first suggested in 2009 when the HDFS Append feature was being contemplated: https://issues.apache.org/jira/browse/HADOOP-6239 )

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