Hi Chris You are correct. When I am testing the performance of version A, I would shut-down the version B But I do not know whether I could install two version of hadoop at the same cluster
2013/12/12 Chris Mawata <[email protected]> > If you are planning to take measurements when both are running they > won't be representative of either one. For instance, your network could > look like a bottleneck when both are running even if it could handle each > one on its own. Datanodes that would have had capacity allowing local > processing might not have capacity because they are servicing the other > cluster etc. I would test them one at a time. > Chris > > > On 12/11/2013 6:49 AM, Geelong Yao wrote: > > Hi Everyone > > > Would it be possible to install two version of Hadoop on the same > cluster?and running at the same time? > I have installed CDH4 on my cluster,but for the test requirements we need > hadoop > v0.20.2 at the same time > > Is there any solution for my situation? > > > BRs > Geelong > > -- > From Good To Great > > > -- >From Good To Great
