Chengi Liu 2013-08-29, 20:35
Chengi Liu 2013-08-29, 20:50
What's wrong by using old Unix pipe?
hadoop fs -cat /user/input/foo.txt | head -100 > local_file
Date: Thu, 29 Aug 2013 13:50:37 -0700
Subject: Re: copy files from hdfs to local fs
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
tail will work as well.. ??? but i want to extract just (say) n lines out of this file?
On Thu, Aug 29, 2013 at 1:43 PM, Kim Chew <[EMAIL PROTECTED]> wrote:
hadoop fs -copyToLocal
hadoop fs -get
It copies the whole file and won't be able just to copy part of the file, what is interesting is there is a "tail" command but no "head".
On Thu, Aug 29, 2013 at 1:35 PM, Chengi Liu <[EMAIL PROTECTED]> wrote:
A very stupid question...
I have a large file in
I want to copy first 100 lines from this location to local filesystem...
And the data is very sensitive so i am bit hesistant to experiment.
What is the right way to copy sample data from hdfs to local fs.