Thanks Bejoy!!
On Thu, Jul 19, 2012 at 3:22 PM, Bejoy KS <bejoy.had...@gmail.com> wrote: > Hi Saniya > > In hdfs the directory exists only as meta data in the name node. There is > no real hierarchical existence like normal file system. It is the data in > the files that is stored as hdfs blocks distributed across data nodes. You > see these hdfs blocks arranged in dfs.data.dir . > Regards > Bejoy KS > > Sent from handheld, please excuse typos. > ------------------------------ > *From: * "Yuvrajsinh Chauhan" <yuvraj.chau...@elitecore.com> > *Date: *Thu, 19 Jul 2012 15:16:24 +0530 > *To: *<hdfs-user@hadoop.apache.org> > *ReplyTo: * hdfs-user@hadoop.apache.org > *Subject: *RE: Hadoop filesystem directories not visible > > Dear Saniya,**** > > ** ** > > I Second to you on this. Am also find exactly the same folder on secondary > data node.**** > > Also, How can I write files from my external application ?**** > > ** ** > > *Regards,* > > * * > > *Yuvrajsinh Chauhan || Sr. DBA || **CRESTEL-PSG*** > > *E**litecore** T**echnologies **P**vt. **L**td.***** > > 904, Silicon Tower || Off C.G.Road**** > > Behind Pariseema Building || Ahmedabad || INDIA**** > > [GSM]: +91 9727746022**** > > ** ** > > *From:* Saniya Khalsa [mailto:saniya.kha...@gmail.com] > *Sent:* 19 July 2012 14:58 > *To:* hdfs-user@hadoop.apache.org > *Subject:* Re: Hadoop filesystem directories not visible**** > > ** ** > > Hi Mohammad Tariq, > > > Thanks for the reply!! > > The path to dfs.data.dir is /app/hadoop/tmp/dfs/data > > when i go there i find only these : > > BlocksBeingWriiten > Current > Detach > In_use.lock > storage > tmp > > I am unable to see the created directories here. > > Regards > Saniya > > > **** > > On Thu, Jul 19, 2012 at 2:39 PM, Mohammad Tariq <donta...@gmail.com> > wrote:**** > > Hello Saniya, > > If you are talking about the local FS, then it will be present > at the location specified as the value of 'dfs.data.dir' property in > hdfs-site.xml file. > > Regards, > Mohammad Tariq**** > > > > On Thu, Jul 19, 2012 at 1:09 PM, Saniya Khalsa <saniya.kha...@gmail.com> > wrote: > > Hi, > > > > I ran these commands > > > > $HADOOP_HOME/bin/hadoop fs -mkdir /tmp > > $HADOOP_HOME/bin/hadoop fs -mkdir /user > > The directories got created and I can now see the directories using > > following commands: > > > > [hadoop@master bin]$ ./hadoop fs -ls / > > Found 5 items > > drwxr-xr-x - hadoop supergroup 0 2012-07-16 14:11 /app > > drwxr-xr-x - hadoop supergroup 0 2012-07-17 17:41 /hadoop > > drwxr-xr-x - hadoop supergroup 0 2012-07-18 14:11 /hbase > > drwxr-xr-x - hadoop supergroup 0 2012-07-19 14:11 /tmp > > drwxr-xr-x - hadoop supergroup 0 2012-07-19 17:41 /user > > > > > > I can see this data from both the nodes by typing the command ,but i > cannot > > view the directories created in the file path anywhere.Please tell me > how > > to see these directories created in file system. > > > > Thanks**** > > ** ** >
