Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@zookeeper.apache.org
Received-SPF: pass (nike.apache.org: domain of john.sirois@gmail.com
 designates 209.85.213.170 as permitted sender)
MIME-Version: 1.0
In-Reply-To: 
 <CAF+j8akY3xDjMdNYqUxcF+-GVQkJVw3d95b1jE6ktqS3qoh0-Q@mail.gmail.com>
References: 
 <CAF+j8akY3xDjMdNYqUxcF+-GVQkJVw3d95b1jE6ktqS3qoh0-Q@mail.gmail.com>
Date: Tue, 3 Jul 2012 13:27:27 -0600
Message-ID: 
 <CAC2vyCUB2etpNCp-7kxoUHBLXiQ8yF7Nf7PNYp6VN863Ys081w@mail.gmail.com>
Subject: Re: Zookeeper Leader Election Preference
From: John Sirois <john.sirois@gmail.com>
To: user@zookeeper.apache.org
Content-Type: multipart/alternative; boundary=e89a8f13ebb4a5e99304c3f1e79f

--e89a8f13ebb4a5e99304c3f1e79f
Content-Type: text/plain; charset=ISO-8859-1

On Tue, Jul 3, 2012 at 1:16 PM, Raj N <raj.cassandra@gmail.com> wrote:

> Hi experts,
>      I am trying to setup a Zookeeper ensemble of 3 nodes across 2 DCs. 2
> of the 3 will run in the primary. And 1 will run in the secondary DC. Is
> there a way to hint that the leader should be selected from the 2 nodes in
> the primary DC. I am trying to avoid the case where the node in the
> secondary DC is the leader since that means I will have to pay for the WAN
> latency for every write request.
>

Whats the purpose of the node in the secondary dc?  I can't see a case
where having the full quorum in the primary dc (3 nodes) and an observer in
the secondary dc is not preferrable.


>
> Thanks
> -Raj
>

--e89a8f13ebb4a5e99304c3f1e79f--