If you're working with the Cloudera distribution, you can install CDH1 (0.18.3) and CDH2 (0.20.1) side-by-side on your development machine.
They'll install to /usr/lib/hadoop-0.18 and /usr/lib/hadoop-0.20; use /usr/bin/hadoop-0.18 and /usr/bin/hadoop-0.20 to execute, etc. See http://archive.cloudera.com/ for installation instructions. - Aaron 2009/10/12 Amandeep Khurana <[email protected]> > Won't work > > On 10/12/09, Jeff Zhang <[email protected]> wrote: > > I do not think you can run jar compiled with hadoop 0.20.1 on hadoop > 0.18.3 > > > > They are not compatible. > > > > > > > > 2009/10/13 杨卓荦 <[email protected]> > > > >> The developer's machine is Hadoop 0.20.1, Jar is compiled on the > >> developer's machine. > >> The server is Hadoop 0.18.3-cloudera. How can I run my mapreduce program > >> on > >> the server? > >> > >> > >> > >> ___________________________________________________________ > >> 好玩贺卡等你发，邮箱贺卡全新上线！ > >> http://card.mail.cn.yahoo.com/ > >> > > > > > -- > > > Amandeep Khurana > Computer Science Graduate Student > University of California, Santa Cruz >
