-Re: How can HBase return the metadata to the client?
yonghu 2011-10-08, 10:18
Sorry about that.
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
> > 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-
> > 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