-Re: Zookeeper Coodination Service
Saurabh Dutta 2013-01-17, 20:46
Thanks Edward and Greg.
Can you help me with a small java code snippet to achieve the same?
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.
> -----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
> On Thu, Jan 17, 2013 at 2:02 PM, Saurabh Dutta <[EMAIL PROTECTED]>
> > 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