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Re: Q about majority voting, # of nodes, even node number - Zookeeper - [mail # user]
...My understanding (which is admittedly limited):  There are 2 nodes left out of 3, so when both machines respond they will get 2/3 of the vote, thus forming a majority. If you only had 2...
   Author: Cameron McKenzie, 2014-01-16, 05:05
Re: Question about multi rack/DC support - Zookeeper - [mail # user]
...I'm sure that someone more knowledgable will be able to provide more insight, but in the meantime...  I don't believe that it's possible to have a configuration that will run as both a ...
   Author: Cameron McKenzie, 2014-01-12, 23:10
Re: Ensure there is one master - Zookeeper - [mail # user]
...Excuse my ignorance (I'm relatively new to ZK), but how does the accuracy of the clock affect this situation?   On Wed, Nov 27, 2013 at 11:53 AM, Ted Dunning  wrote:  ...
   Author: Cameron McKenzie, 2013-11-27, 00:57
Re: Are the Zookeeper nodes created at Client Side or Server Side? - Zookeeper - [mail # user]
...The data is all stored in memory and then periodically snapshotted to disk as far as I know. It will be under your data directory wherever you've configured that to be, but it's not going to...
   Author: Cameron McKenzie, 2013-11-18, 05:20
Re: Electing a leader among clients - Zookeeper - [mail # user]
...The Curator framework provides an implementation of leader election. I think that it will do what you need it to do without having to write any code yourself.  http://curator.apache.org...
   Author: Cameron McKenzie, 2013-11-07, 05:47
Re: Running Zookeeper in 2 machines - Zookeeper - [mail # user]
...Yes, I guess in this situation there's no guarantee that A has the latest data. I think that this is just an inherent limitation of the quorum based writes though. Unless you have three sepa...
   Author: Cameron McKenzie, 2013-11-05, 22:29
Re: Command-line arg instead of myid file? - Zookeeper - [mail # user]
...While it's obviously a workaround, wouldn't it be trivial to create a wrapper script around the zkServer.sh script that takes the value of the myid file as an argument and creates / overwrit...
   Author: Cameron McKenzie, 2013-09-30, 23:09
ZooKeeper update collisions - Zookeeper - [mail # user]
...Hi again, Another quick question about some ZooKeeper functionality. Say I have 3 ZK nodes running in a cluster. 2 (ZK1 and ZK2) at site 1, 1 (ZK3) at site 2.  In the case of a full sit...
   Author: Cameron McKenzie, 2013-09-18, 02:19
Re: Geographically redundant ZooKeeper instances - Zookeeper - [mail # user]
...Thanks Camille, I have read your blog post, but was hoping that given that my case was slightly simpler than yours that there was some other simpler alternative.  Thanks for the quick r...
   Author: Cameron McKenzie, 2013-09-15, 22:38
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