The "Hadoop put:/data': File exists" error occurs when you try to copy a file to HDFS using thehadoop fs -putcommand, but a file with the same name already exists in the destination directory. You can resolve this error by either renaming or deleting the existing file, or by using th...
put命令遇到了旧的帖子，但如果你还没有尝试过，请用hadoop jar app_name.jar而不是java -jar. 这样...
if [ ‘’$ COMMAND" = “fs” ] ; then CLASS=org.apache.hadoop.fs.FsShell [[email protected]hadoop-2.6.0-cdh5.7.0]$ cat bin/hdfs elif [ “$COMMAND” = “dfs” ] ; then CLASS=org.apache.hadoop.fs.FsShell 注意2个命令: (1)dfsadmin dfsadmin run a DFS admin client 报告hdfs的集群...
at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:331) at org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:304) at org.apache.hadoop.fs.shell.CommandWithDestination.processPathArgument(CommandWithDestination.java:258) at org.apache.hadoop.fs.shell.Command.processArgume...
Hadoop文件系统的一些文件命令1.创建文件夹(hdfsdfs-mkdir /文件夹名称) 2.上传文件(hdfsdfs-put本地文件路径hdfs路径) 3.展示文件列表(hdfsdfs-lshdfs路径) 4.下载文件(hdfsdfs-gethdfs路径 本地路径) 5.删除(hdfsdfs-rmhdfs路径) 还有很多基本上是linux命令前面加上 ...
可以看到,当在hbase shell中执行put操作时,实际上会调用put.rb中定义的put函数(Put.put),在put函数中,调用了table的"_put_internal"函数来完成实际的操作,并调用了commands.rb脚本中的"format_simple_command"函数,为操作命令插入header和footer信息。 小结一下执行顺序: -> shell中执行put操作 -> 调用commands...
outputStream : org.apache.hadoop.fs.FSDataOutputStream, log_buffer : Array[Byte], pre_buffer_sum : Long, totalSize : Long ) : Long={ val readSize=inStream.read(log_buffer) val buffer_sum= pre_buffer_sum +readSize outputStream.write(log_buffer.splitAt(readSize)._1) ...
How to find out all files with replication factor 1 in HDFS? How to set the data replication factor of Hadoop HDFS? How to set replication factors for HDFS directories? Deleting a Specific Line From a Text File in Command Line in Linux ...
put和copyfromlocal之间的hadoop差异请查找这两个命令的用法。
put命令遇到了旧的帖子，但如果你还没有尝试过，请用hadoop jar app_name.jar而不是java -jar. 这样...