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Re: Seems like "leaderServes" default changed to false in 3.4.4 - Zookeeper - [mail # user]
...Hm, the default hasn't changed, here's the default in the 3.4.4 release source:    434 :             if (!System.getProperty("zookeeper.leaderServes",...
   Author: Patrick Hunt, 2012-10-24, 16:04
Re: Some thing is wrong - Zookeeper - [mail # user]
...this one: http://markmail.org/message/dlik7ayqkq2mu2nf  On Tue, Oct 16, 2012 at 11:35 PM, Patrick Hunt  wrote:  for the last six months, onitor_root/child/CDSkafkaSensor/msg",...
   Author: Patrick Hunt, 2012-10-17, 06:36
Re: ZooKeeper Scale - Zookeeper - [mail # user]
...It's been a while, and it's probably highly dependent on the exact use cases, but I have tested successfully with 5m znodes and 25m watches. This was a three server ensemble. In this case 50...
   Author: Patrick Hunt, 2012-10-16, 06:43
Re: About initLimit and syncLimit - Zookeeper - [mail # user]
...Say you have a very large datastore (the snapshot file is very large). It can take considerable time for the leader to communicate the znode data to the followers during startup. initLimit i...
   Author: Patrick Hunt, 2012-10-06, 14:41
Re: Optimal ZooKeeper configuration for a cluster of size, N - Zookeeper - [mail # user]
...The defaults should be fine for what you described. The initLimit would need to be increased if the data being stored is very large, the syncLimit increased if you were running across say a ...
   Author: Patrick Hunt, 2012-10-06, 14:28
Re: Cannot Open Channel at Election Address - Zookeeper - [mail # user]
...Were those the early error messages, or after you had started all servers and waited a bit? I'd suggest you start them all, then tail one of the logs and see what's going on once everyone is...
   Author: Patrick Hunt, 2012-10-06, 14:25
Re: Upgrading an ensemble from 3.3.5 to 3.4.4 - Zookeeper - [mail # user]
...That's also fine, but also not extensively tested. Many users do rolling upgrades, but typically that would cover "one hop" server version upgrade, but given we only do bug fixes in fix rele...
   Author: Patrick Hunt, 2012-10-04, 06:08
Re: zookeeper on SSD - Zookeeper - [mail # user]
...On Wed, Oct 3, 2012 at 9:12 PM, Jun Rao  wrote:  Yes (it's necessary for the guarantees we provide), although the servers do batching of writes to improve throughput. This doc give...
   Author: Patrick Hunt, 2012-10-04, 04:28
Re: Is quorum lost when leader goes down? - Zookeeper - [mail # user]
...On Mon, Oct 1, 2012 at 3:34 PM, Jordan Zimmerman  wrote:  yes.   All servers stop serving client connections during re-election. The client tcp connections are all closed. Onc...
   Author: Patrick Hunt, 2012-10-02, 00:43
Re: Zookeeper delay to reconnect - Zookeeper - [mail # user]
...Hi Brian, well, in my proposal the default would be the current behavior. With the discretion of the zk operator to change, so it shouldn't be any worse.  You've piqued my interest - a ...
   Author: Patrick Hunt, 2012-09-28, 00:07
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