Re: what happens inside hadoop !!

http://hadoop.apache.org/hdfs/docs/current/api/index.html Javadocs is helpful. You can see how/which methods are called i.e., how things are happening. On Fri, Oct 22, 2010 at 10:31 AM, Ahmad Shahzad wrote: > Hi ALL, > Is there any documentation or guide or any presentation about > wha

Namenode reboot - namespace

Hi, I have a small doubt regarding Hadoop. For a cluster without secondary namenode, a namenode reboots itself after failure. For a scenario,when a namenode reboots itself, and looses all the namespace information-- Does the namenode starts a fresh and gather all the namespace information again f