Re: Help needed to understand zookeeper in solrcloud

Thanks svante for clearing the doubt. With Regards Aman Tandon On Thu, Mar 5, 2015 at 2:15 PM, svante karlsson s...@csi.se wrote: The network will only split if you get errors on your network hardware. (or fiddle with iptables) Let's say you placed your zookeepers in separate racks and

Re: Help needed to understand zookeeper in solrcloud

I start out with 5 zk's. All good. One zk fails - I'm left with four. Are they guaranteed to split 4/0 or 3/1 - because if they split 2/2 I'm screwed, right? Surely to start with 5 zk's (or in fact any odd number - it could be 21 even), and from a single failure you drop to an even number -

Re: Help needed to understand zookeeper in solrcloud

The network will only split if you get errors on your network hardware. (or fiddle with iptables) Let's say you placed your zookeepers in separate racks and someone pulls network cable between them - that will leave you with 5 working servers but they can't reach each other. This is split brain

Re: Help needed to understand zookeeper in solrcloud

ZooKeeper can handle the failure of two machines. That's why odd numbers are recommended. -- View this message in context: http://lucene.472066.n3.nabble.com/Help-needed-to-understand-zookeeper-in-solrcloud-tp4190631p4190633.html Sent from the Solr - User mailing list archive

Re: Help needed to understand zookeeper in solrcloud

to be available. For example: Five machines ZooKeeper can handle the failure of two machines. That's why odd numbers are recommended. -- View this message in context: http://lucene.472066.n3.nabble.com/Help-needed-to-understand-zookeeper-in-solrcloud

Re: Help needed to understand zookeeper in solrcloud

. For example: Five machines ZooKeeper can handle the failure of two machines. That's why odd numbers are recommended. -- View this message in context: http://lucene.472066.n3.nabble.com/Help-needed-to-understand-zookeeper-in-solrcloud-tp4190631p4190633.html Sent from the Solr - User

Help needed to understand zookeeper in solrcloud

Hi, I read in various blogs that we should use the odd number of zookeeper in the ensemble, So why is it so? With Regards Aman Tandon

Re: Help needed to understand zookeeper in solrcloud

are recommended. -- View this message in context: http://lucene.472066.n3.nabble.com/Help-needed-to-understand-zookeeper-in-solrcloud-tp4190631p4190633.html Sent from the Solr - User mailing list archive at Nabble.com.

Re: Help needed to understand zookeeper in solrcloud

Zookeeper requires a majority of servers to be available. For example: Five machines ZooKeeper can handle the failure of two machines. That's why odd numbers are recommended. -- View this message in context: http://lucene.472066.n3.nabble.com/Help-needed-to-understand-zookeeper-in-solrcloud