I agree with Amandeep, and results will remain forever, unless you manually delete them.
If we are on the right road, change hadoop.tmp.dir property to be outside of /tmp, or changing dfs.name.dir and dfs.data.dir should be enough for basic use (I didn't have to change anything else). Cheers, Rasit 2009/2/17 Amandeep Khurana <[email protected]> > Where are your namenode and datanode storing the data? By default, it goes > into the /tmp directory. You might want to move that out of there. > > Amandeep > > > Amandeep Khurana > Computer Science Graduate Student > University of California, Santa Cruz > > > On Mon, Feb 16, 2009 at 8:11 PM, Mark Kerzner <[email protected]> > wrote: > > > Hi all, > > > > I consistently have this problem that I can run HDFS and restart it after > > short breaks of a few hours, but the next day I always have to reformat > > HDFS > > before the daemons begin to work. > > > > Is that normal? Maybe this is treated as temporary data, and the results > > need to be copied out of HDFS and not stored for long periods of time? I > > verified that the files in /tmp related to hadoop are seemingly intact. > > > > Thank you, > > Mark > > > -- M. Raşit ÖZDAŞ
