Dedicated machines are a good idea. The main thing is to make sure that ZK
always has IOPS available for transaction log writes. That's easy to ensure
when each ZK instance has its own hardware. The standard practice, as far as I
know, is to have 3 physical boxes spread among racks/datacenters/c
Yes, always use three or a higher odd number of machines. It is best to have
them on dedicated machines and unless the cluster is very large three small VPS
machines with 512 MB RAM suffice.
-Original message-
From:Gili Nachum
Sent:Tue 10-06-2014 08:58
Subject:Recommended ZooKeeper top
Is there a recommended ZooKeeper topology for production Solr environments?
I was planning: 3 ZK nodes, each on its own dedicated machine.
Thinking that dedicated machines, separate from Solr servers, would keep ZK
isolated from resource contention spikes that may occur on Solr. Also, if a
Solr m
