Hi. Any tutorial about using Zookeeper with NameNode? Thanks!
2009/4/12 Billy Pearson <[email protected]> > Not 100% sure but I thank they plan on using zookeeper to help with > namenode fail over but that may have changed. > > Billy > > "Stas Oskin" <[email protected]> wrote in message > news:[email protected]... > > Hi. >> >> I wonder, what Hadoop community uses in order to make NameNode resilient >> to >> failures? >> >> I mean, what High-Availability measures are taken to keep the HDFS >> available >> even in case of NameNode failure? >> >> So far I read a possible solution using DRBD, and another one using carp. >> Both of them had the downside of keeping a passive machine aside taking >> the >> IP of the NameNode. >> >> Perhaps there is a way to keep only a passive NameNode service on another >> machine (which does other tasks), taking the IP only when the main has >> failed? >> >> That of course until the human operator restores the main node to action.\ >> >> Regards. >> >> > >
