To use NFS as datanode fs may bring performance problems. Millions of requests may block your NFS server.
On Mon, Feb 18, 2013 at 12:09 PM, Chris Embree <[email protected]> wrote: > I'm doing that currently. No problems to report so far. > > The only pitfall I've found is around NFS stability. If your NAS is 100% > solid no problems. I've seen mtab get messed up and refuse to remount if > NFS has any hiccups. > > If you want to really crazy, consider NFS for your datanode root fs. See > the oneSIS project for details. http://onesis.sourceforge.net > > Enjoy. > > > On Mon, Feb 18, 2013 at 1:00 PM, Mehmet Belgin < > [email protected]> wrote: > >> Hi Everyone, >> >> Will it be any problem if I put the hadoop executables and configuration >> on a NFS volume, which is shared by all masters and slaves? This way the >> configuration changes will be available for all nodes, without need for >> synching any files. While this looks almost like a no-brainer, I am >> wondering if there are any pitfalls I need to be aware of. >> >> On a related question, is there a best practices (do's and don'ts ) >> document that you can suggest other than the regular documentation by >> Apache? >> >> Thanks! >> -Mehmet > > >
