On 2/25/10 8:39 AM, "Thomas Koch" <[email protected]> wrote: >>> - no version namespace, everything is called just "hadoop", not >>> "hadoop-0.18" or "hadoop-0.20" as in the cloudera package >> >> ... and thus making upgrades really hard and not suitable for anything >> "real". > Actually my hope is in the plan of hadoop to once establish a stable API (as > planned) so that an upgrade will be backwards compatible. History shows you are in for a long wait. It is also worth pointing out that API compat is only part of the issue. Without ABI compat, it is still a very rough road. [A point lost on way too many in the Hadoop community; too many devs, not enough ops.]
