Thank you Bejoy for your complete answer :) if I run this command:
hadoop fs -ls / I get this results: drwxr-xr-x - root root 4096 2011-04-26 01:06 /var drwxrwxrwx - root root 4096 2012-06-05 18:38 /tmp drwxr-xr-x - root root 12288 2012-06-05 17:44 /etc -rw-r--r-- 1 root root 12809911 2012-06-02 09:57 /initrd.img drwxr-xr-x - root root 4340 2012-06-05 17:42 /dev drwxr-xr-x - root root 4096 2012-06-02 09:57 /boot drwxr-xr-x - root root 4096 2011-04-26 00:50 /srv drwxr-xr-x - root root 4096 2012-06-01 11:45 /user -rw-r--r-- 1 root root 12832710 2012-06-02 09:56 /initrd.img.old drwxr-xr-x - root root 4096 2012-06-02 09:52 /lib drwxr-xr-x - root root 4096 2012-06-05 12:52 /media drwxrwxrwx - root root 12288 2012-06-02 08:13 /host -rw------- 1 root root 4654608 2011-06-28 23:30 /vmlinuz.old drwxr-xr-x - root root 4096 2012-06-02 09:54 /sbin drwxr-xr-x - root root 4096 2012-06-01 11:36 /babak dr-xr-xr-x - root root 0 2012-06-05 12:22 /proc *drwxr-xr-x - root root 4096 2012-05-31 22:03 /Downloads* * * What does the first column mean? I tried to make a dir in *Downloads* hadoop fs -mkdir /Downloads/TwitterData but no success and the system said: mkdir: failed to create /Downloads/TwitterData in Downloads I can't make a directory? On Tue, Jun 5, 2012 at 6:13 PM, Sonal Goyal <sonalgoy...@gmail.com> wrote: > Lfs means local file system. > > Hadoop fs -copyFromLocal will help to copy data from your local file > system to the Hadoop distributed file system. Not sure what kind of cluster > setup you have, are you running in local or pseudo distributed mode? > > Here is a link to get you started on hive > https://cwiki.apache.org/confluence/display/Hive/GettingStarted > > You can specifically look for 'load data local in path' for using the > local file system. > > And here is a link specifically regarding tweets. > > http://www.cloudera.com/blog/2010/12/hadoop-world-2010-tweet-analysis/ > > Sent from my iPad > > On 05-Jun-2012, at 9:27 PM, Babak Bastan <babak...@gmail.com> wrote: > > Thank you for your answer > location of file in lfs > That means the location of my *txt file on my computer ? and I have no > destination address in hdfs,where can I get this location? > could you please write an example? > > On Tue, Jun 5, 2012 at 4:29 PM, Bejoy Ks <bejoy...@yahoo.com> wrote: > >> Hi Babak >> >> There isn't anything called hdfs files. Hdfs is just a file system that >> can store any type of file. You just need to transfer your file from lfs to >> hdfs and the following command helps you out for that >> >> hadoop fs -copyFromLocal <location of file in lfs> <destination location >> in hdfs> >> >> Regards >> Bejoy KS >> >> ------------------------------ >> *From:* Babak Bastan <babak...@gmail.com> >> *To:* user@hive.apache.org >> *Sent:* Tuesday, June 5, 2012 7:54 PM >> *Subject:* Re: Twitter Data analyse with HIVE >> >> ok, no difference for me records in a line or not >> 2009-06-08 21:49:37 - http://twitter.com/evionblablabla- I think data >> mining is awesome! >> 2009-06-08 21:49:37 - http://twitter.com/ >> <http://twitter.com/hyungjin>bliblibli >> - I don’t think so. I don’t like data mining >> .... >> >> How can I do that.I think that I should change my text file to hdfs >> file,correct? how can I do this one? >> Sorry I'm very new in this field :( >> >> On Tue, Jun 5, 2012 at 4:07 PM, Edward Capriolo <edlinuxg...@gmail.com>wrote: >> >> If you get output onto a single line it will be much easier for hive to >> process. >> >> On Tue, Jun 5, 2012 at 5:20 AM, Babak Bastan <babak...@gmail.com> wrote: >> > Hi experts >> > >> > I'm very new in Hive and Hadoop and I want to create a very simple demo >> to >> > analyse sample twitts like this: >> > >> > T 2009-06-08 21:49:37 >> > U http://twitter.com/evion >> > W I think data mining is awesome! >> > >> > T 2009-06-08 21:49:37 >> > U http://twitter.com/hyungjin >> > W I don’t think so. I don’t like data mining >> > .... >> > Generally is it possible to do that? >> > but I don't know exactly from which point should I strat.Do you know any >> > simple and clear reference to do this job? or would you please inform >> me >> > (not in detail) what should I do? >> > >> > Thank you very much for your helps >> > Babak >> >> >> >> >> >
