+1 on what Ed said. I think 0.20.2 is still very real. Would be a bummer if we do not support it as a lot of companies are still on that version.
Ashish Ashish Thusoo <http://www.linkedin.com/pub/ashish-thusoo/0/5a8/50> CEO and Co-founder, Qubole <http://www.qubole.com> - a cloud based service that makes big data easy for analysts and data engineers On Wed, Sep 18, 2013 at 5:57 PM, Edward Capriolo <edlinuxg...@gmail.com>wrote: > BTW: I am very likely to install hive 0.12 on hadoop 0.20.2 clusters. I > have been running hive since version 0.2. I have been running hadoop since > version 0.17.2. After 0.17.2 I moved to 0.20.2. Since then the hadoop has > seemingly has 10's of releases. 0.21, 0.21.append (Dead on arrival) . > cloudera this, cloudera that, yahoo hadoop distribution (dead on arrival), > 0.20.2.203 0.20.2.205, 1? 2.0? 2.1. None of them really have much shelf > life or a very clear upgrade path. > > The only thing that has remained constant for our environment is hive and > hadoop 0.20.2. I have been happily just upgrading hive on these clusters > for years now. > > So in a nutshell, I'm a long time committer, and I actively support and > develop hive on hadoop 0.20.2 clusters, I do not see supporting the shims > as complicated or difficult. > > > > On Wed, Sep 18, 2013 at 7:02 PM, Owen O'Malley <omal...@apache.org> wrote: > > > On Wed, Sep 18, 2013 at 1:54 PM, Edward Capriolo <edlinuxg...@gmail.com > > >wrote: > > > > > I am not fine with dropping it. I still run it in several places. > > > > > > > The question is not whether you run Hadoop 0.20.2, but whether you are > > likely to install Hive 0.12 on those very old clusters. > > > > > > > > > > Believe it or now many people still run 0.20.2. I believe (correct me > If > > I > > > am wrong) facebook is still running a heavily patch 0.20.2. > > > > > > > It is more accurate to say that Facebook is running a fork of Hadoop > where > > the last common point was Hadoop 0.20.1. I haven't heard anyone (other > than > > you in this thread) say they are running 0.20.2 in years. > > > > > > > I could see dropping 0.20.2 if it was a huge burden but I do not see it > > > that way, it work's it is reliable, and it is a known quantity. > > > > > > > It is a large burden in that we have relatively complicated shims and a > > lack of testing. Unless you are signing up to test every release on > 0.20.2 > > we don't have anyone doing the relevant testing. > > > > -- Owen > > >
