Hemanth Yamijala wrote: > On Mon, Aug 30, 2010 at 8:19 AM, Gang Luo <lgpub...@yahoo.com.cn> wrote: > > > > 1. Can I share hadoop code and its configuration across nodes? Say I have a > > distributed file system running in the cluster and all the nodes could see > > the > > hadoop code and conf there. So all the nodes will use the same copy of code > > and > > conf to run. Is it possible?
> If they are on the same path, technically it should be possible. > However, I am not sure it is advisable at all. We've tried to do > something like this using NFS and it fails in ways that make debugging > extremely hard. Read-only NFS? I recently looked into an NFS-related unit-test bug (MR-2041), but those failures were due to directory creation and/or permissions-setting (i.e., writing), apparently timing-related. Greg
