On Mon, Apr 13, 2015 at 5:36 PM, Vikrant Singh < [email protected]> wrote:
> Hello zookeeper users,I am experimenting/prototyping a zookeeper > installation.One part of the same is a watchClient which monitor various > znodes (by applying watches) and perform some action according to triggered > watch. > As part of plan we need to have multiple instances of this watchClient > running against same set of nodes. Idea is to have one client taking all > the load, while other is on standby mode.This is done primarily to make > sure that there is a backup capacity. If primary process dies, other > process (on standby) takes over the load. > The key phrase you're looking for is "leader election". A recipe for that is here: http://zookeeper.apache.org/doc/trunk/recipes.html#sc_leaderElection Question I wanted to ask is that is there any zookeeper recipe or framework > which gives us this functionality? I wanted to use something existing which > is will proven/tested before choosing to write from scratch. > Thanks,Vikrant >
