JD, When I last looked at HBase (about a year ago), the performance was lacking. Have there been material improvements in HBase's performance in the last year?
Thanks, David PS -- If this is not the correct list for such questions, I pre-apologize. Just whack me with a 2x4 and I'll take the discussion off the ZooKeeper list. On Wed, Mar 4, 2009 at 6:02 AM, Jean-Daniel Cryans <jdcry...@apache.org>wrote: > David, > > This is exactly what we are doing in the HBase project (www.hbase.org). > Zookeeper is currently being integrated for our next major version and some > parts are already in place. > > Regards, > > J-D > > On Wed, Mar 4, 2009 at 9:00 AM, David Pollak > <feeder.of.the.be...@gmail.com>wrote: > > > On Tue, Mar 3, 2009 at 9:33 PM, Ted Dunning <ted.dunn...@gmail.com> > wrote: > > > > > zookeeper is not really what you would call a scalable system because > all > > > transactions that are updates go through the leader for serialization. > > > Zookeeper is, instead, a high throughput HA system. That said, the > > > throughput of a modest zookeeper cluster is fairly prodigous so for > the > > > normal application of coordinating a large cluster, these limits are > > beyond > > > what just about anyone needs. > > > > > > For other uses, though, 50 K updates per second wouldn't cut it. > > > > > > I understand that Google uses Chubby (a ZooKeeper clone... or vice versa > > :-) > > ) as the coordination mechanism for Big Table. Do you have any insight > > into > > Chubby's performance characteristics... and if it would be possible to > > build > > a Big Table clone that had scalability characteristics of Big Table with > > ZooKeeper as the underlying coordinator? > > > > > > > > > > > > > > > > Sent from my iPhone > > > > > > > > > On Mar 3, 2009, at 17:30, Chad Harrington <charring...@datascaler.com> > > > wrote: > > > > > > Clearly Zookeeper can handle ensembles of a dozen or so servers. How > > >> large > > >> an ensemble can one build with Zookeeper? 100 servers? 10,000 > servers? > > >> Are there limitations that make the system unusable at large numbers > of > > >> servers? > > >> > > >> Thanks, > > >> > > >> -- > > >> Chad Harrington > > >> CEO > > >> DataScaler, Inc. > > >> charring...@datascaler.com > > >> 201A Ravendale Dr. > > >> Mountain View, CA 94043 > > >> Phone: 650-515-3437 > > >> Fax: 650-887-1544 > > >> > > > > > > > > > -- > > Lift, the simply functional web framework http://liftweb.net > > Beginning Scala http://www.apress.com/book/view/1430219890 > > Follow me: http://twitter.com/dpp > > Git some: http://github.com/dpp > > > -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Git some: http://github.com/dpp
