Backup Hadoop

2011-02-28 Thread real great..
Hi, How to create a backup of Hadoop at a particular instance? Something similar to an image. -- Regards, R.V.

Re: TextInputFormat to SequenceFile Output format question

2011-02-28 Thread Mapred Learn
Hey Harsh, I was trying to use parallelism of mappers to do it quickly. If I don't use map-reduce, a 10 GB text file to sequence file conversion would be very slow. Isn't it so ? Also what kind of transformation in mapper phase are you referring to ? -JJ On Fri, Feb 25, 2011 at 9:45 PM, Harsh J

Re: command to delete a directory in hadoop

2011-02-28 Thread Pedro Costa
remove file hadoop dfs -rmr list file hadoop dfs -ls On Mon, Feb 28, 2011 at 10:13 AM, Eric wrote: > Note that Hadoop will put your files in a trash bin. You can use the > -skipTrash option to really delete the data and free up space. See the > command "hadoop dfs" for more details. > > 2011

Re: command to delete a directory in hadoop

2011-02-28 Thread Eric
Note that Hadoop will put your files in a trash bin. You can use the -skipTrash option to really delete the data and free up space. See the command "hadoop dfs" for more details. 2011/2/28 Ondřej Nevělík > hadoop dfs -rmr "directory" > > 2011/2/28 real great.. > > Hi, >> How do you delete a dir