例如:[hadoop@db01 hadoop-2.5.0]$ bin/hdfs dfs -ls17/03/01 21:50:33 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicableFound 1 items -----------------------------------------…
hadoop fs:使用面最广,可以操作任何文件系统. hadoop dfs与hdfs dfs:只能操作HDFS文件系统相关(包括与Local FS间的操作),前者已经Deprecated,一般使用后者. 以下内容参考自stackoverflow Following are the three commands which appears same but have minute differences hadoop fs {args} hadoop dfs {args} hdfs dfs {a…
svn执行clean up命令时报错“Previous operation has not finished; run 'cleanup' if it was interrupted”.无论你到那个父层次的目录执行“clean up “,都是报一样的错.执行cleanup时候,提示要cleanup.看来是进入死循环了. 1. 内嵌数据库一般是用sqlite进行轻量级管理的.网上可以下到sqlite-shell-win32-x86: sqlite3.exe 2. 为了方便命令行执行,将…