-Re: multiple masters
Weishung Chung 2011-01-28, 17:31
Great, thank you :D
I guess I need to read up more on zookeeper.
On Fri, Jan 28, 2011 at 10:56 AM, Stack <[EMAIL PROTECTED]> wrote:
> On Fri, Jan 28, 2011 at 8:52 AM, Weishung Chung <[EMAIL PROTECTED]>
> > Correct me if I am wrong :)
> > In HConnectionManager, it seems to me that a zookeeper instance is used
> > get to the HBase master for META and ROOT info. What would happen if
> > master became unavailable? Would zookeeper be able to get the ROOT and
> > info from another backup/replicated master? Sorry because I haven't got a
> > chance to browse deeper in the zookeeper codes yet :(
> The locations of root is kept in zk and that of meta in the root
> region, not in master. If master goes away, cluster continues to run.