Copy data into one of the clusters using distcp *without* downtime (assuming you have enough capacity) and then merge the clusters?
Thanks, +Vinod Kumar Vavilapalli Hortonworks Inc. http://hortonworks.com/ On Mar 13, 2013, at 9:38 PM, Shashank Agarwal wrote: > Hey Guys, > > I have two different hadoop clusters in production. One cluster is used as > backing for HBase and the other for other things. Both hadoop clusters are > using the same version 1.0 and I want to merge them and make them one. I > know, one possible solution is to copy the data across, but the data is > really huge on these clusters and it will hard for me to compromise with huge > downtime. > Is there any optimal way to merge two hadoop clusters. > > ~Shashank
