Sorry about that. Yong
On Sat, Oct 8, 2011 at 10:45 AM, Dmitriy Ryaboy <[email protected]> wrote: > I suspect you meant to email the hbase user list, not the pig list? > > > On Sat, Oct 8, 2011 at 12:02 AM, yonghu <[email protected]> wrote: > > > Hello, > > > > I read the blog > > http://www.larsgeorge.com/2009/10/hbase-architecture-101-storage.htmland > > tried to understand the architecture of the HBase. There is one thing > that > > makes me confusing. If I understand right, the client must connect the > > Zookeeper cluster to get the metadata of particular table information and > > then use this information to retrieve the table. > > My question is the node which hosts the ".META. table" and "-ROOT- > region" > > is the node which belongs to HBase cluster or Zookeeper cluster? If they > > belongs to the Zookeeper cluster, what is the functionality of the Master > > node in the HBase cluster, only assigning the work node when starting the > > HBase? In my point of view, the Master node will maintain the ".META. > > table" > > and "-ROOT- region" information. > > > > Thanks! > > > > Yong > > >
