Re: How large an ensemble can one build with Zookeeper?

2009-03-04 Thread David Pollak
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

Re: How large an ensemble can one build with Zookeeper?

2009-03-04 Thread Jean-Daniel Cryans
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.comwrote: On Tue, Mar 3,

Re: How large an ensemble can one build with Zookeeper?

2009-03-04 Thread David Pollak
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