Zookeeper is deployed as an ensemble of quorum peers in order to be highly available. Ensembles should be odd so one of a set of conflicting votes (should they occur) is always a majority. Typical deployments are of 3, 5, and 7 dedicated servers.
- Andy ________________________________ From: "[email protected]" <[email protected]> To: [email protected] Sent: Tuesday, August 25, 2009 4:26:17 AM Subject: Re: HBase-0.20.0 multi read Hi, By increasing two zookeeper servers, I've solved my multi read problem. Thank you very much. By the way, does anyone where to fine the machine spec or suggestion of production deployment? I want to know the percentage of each component will be better. Maybe like zookeeper server 50% of region servers region server 10% of hadoop data nodes Thank you ps. sorry I don't understand -> a dedicated 2N+1 Zookeeper ensemble (N ~= 1...3)
