A bit too late , but thank you all. I will tell you about my experience when it' over.
Vale et me ama Yossi On Sun, Dec 14, 2008 at 7:22 PM, Jean-Daniel Cryans <[email protected]>wrote: > It would be interesting to see how HBase would react to a loss of the NN > when trying to shutdown HBase in the following minutes, but I think it > would > be better to try than just losing the two at the same time. > > J-D > > On Sun, Dec 14, 2008 at 12:13 PM, Wesley Chow <[email protected]> wrote: > > > > > 3. Can I run the NameNode and the HBaseMaster on the same machine? > >>> > >> > >> > > 3. No, that would make 2 SPOFs at the same place. (but we are currently > >> integrating Zookeeper in HBase so the HMaster SPOF will be fixed > hopefully > >> in 0.20) > >> > > > > Isn't it the case that if the NN goes down then HBase doesn't function > > properly? If so, then from the perspective of HBase reliability, you'd > want > > to have the HBaseMaster on the same machine as NN, because that would > make a > > single machine a point of failure, whereas having them on separate > machines > > would mean you'd have 2 machines that are each single point of failures. > > > > > > Wes > > > > >
