The idea of using zookeeper to coordinate multiple namenodes which handle different parts of the name-space would be nice as well.
Using zookeeper as it currently is to replace the name node is probably a non-starter because zookeeper keeps everything in memory which means that there would be no win in terms of number of files. On Mon, Jun 30, 2008 at 4:38 PM, Sanjay Radia <[EMAIL PROTECTED]> wrote: > Sangmin Lee wrote: > >> >> Folks, >> >> I heard that there was a plans to porting HDFS to Zookeeper to get a high >> availability. >> Is this true? >> If so, could anyone let me know about the status of this effort? >> >> Cheers, >> >> -sangmin >> >> Do you literally mean port or simply use Zookeeper. > One could store the name space and data in Zookeeper - an interesting > exercise. > > Alternatively, one could use Zookeeper to elect a primary Namenode for HA; > this would be a good use of Zookeeper. > I can see this happening once we have replicated Namenodes. > > sanjay > -- ted
