On Thu, Sep 27, 2012 at 2:06 AM, Konstantin Shvachko <shv.had...@gmail.com> wrote: > The SPOF is in HDFS. This project is about shared storage > implementation, that could be replaced by NFS or BookKeeper or > something else.
You cannot equate QJM to a solution that requires an NFS filer. A filer is just not possible in the deploys I am privy to. > Same if QJ failed. You go to the creators, which will be somewhat > closer than NetApp, because it is still Hadoop. > You seem to be undoing yourself with the above setup Konstantin. At our deploy, we can't do NetApp so calling them will never happen. If a problem in QJM, it's Apache HDFS, so it'll be fixed by the community -- hopefully w/ input by creators -- as any other issue would be fixed (or not). St.Ack
