Thanks Edward and Greg. Can you help me with a small java code snippet to achieve the same?
Thanks On Thu, Jan 17, 2013 at 10:43 PM, Asta, Greg <[email protected]> wrote: > Yeah, we achieved something similar using a simple "VIP". Once the leader > election switches, the new leader can activate the VIP, while the old one > deactivates it. DNS with a very short TTL is another way to achieve this. > > -Greg > > -----Original Message----- > From: Edward Ribeiro [mailto:[email protected]] > Sent: Thursday, January 17, 2013 12:06 PM > To: [email protected] > Subject: Re: Zookeeper Coodination Service > > Yes, what you have just described is a sweet spot for Zookeeper. > > Based on your description, you want one of the servers as the leader and > while having the others waiting. Take a look at "Leader Election Recipe" > in ZK Tutorials for how to implement this. If the leader goes offline then > the other machines use ZK to run the election procedure and elect a new > leader to serve requests. Of course, you will also need a "router" service > that also listens to ZK so that it can redirect the requests to the right > machine. > > Edward > > On Thu, Jan 17, 2013 at 2:02 PM, Saurabh Dutta <[email protected]> > wrote: > > > Hi, > > > > I've a a simple tcp service which will listen on a port for incoming > > requests from client. I'd like to have this same service run on > > multiple servers in a failsafe manner. > > > > There will be a client which will initially write to server1 and if it > > goes down i want the requests to be directed to server2. > > > > I'm tyring to write a a zookeeper coordinator which will keep my > > services up and if one service goes down i want the other service to > > take over and replace it. > > > > Please help me to explore if this can be done through zookeeper and if > > yes how this can be achieved. > > > > Thanks, > > Saurabh > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.2221 / Virus Database: 2638/5539 - Release Date: 01/17/13 >
