Re: Zookeeper node replacement for solr cloud steps

2017-02-09 Thread Eric Young
I've had some experience with similar scenarios. As long as you can maintain quorum through the ZooKeeper changes and the current leader is defined within the Solr configuration, a single Solr restart should be sufficient. Something along these lines should work: 1. Add new ZooKeeper node to ZooK

Re: Split a large ZooKeeper cluster into multiple separate clusters

2016-09-07 Thread Eric Young
> If I correctly understand what you're trying to do with the static > collections, Solr cannot do it directly. If you have collection A in > cluster 1, and collection A in cluster 2, they are entirely separate and > cannot be managed as a single collection. Queries and updates sent to > one clus

Re: Split a large ZooKeeper cluster into multiple separate clusters

2016-09-07 Thread Eric Young
> The zookeeper list isn't really the right place for most of this. The > residents of this list will to have zero knowledge of how Solr uses > zookeeper. I'm on both lists -- and I'm a lot more familiar with Solr > than Zookeeper. I think I see that now. I was under the impression that this mi

Split a large ZooKeeper cluster into multiple separate clusters

2016-09-07 Thread Eric Young
I have a very large ZooKeeper cluster which manages config and replication for multiple SolrCloud clusters. I want to split the monolithic ZooKeeper cluster into smaller, more manageable clusters in a live migration (i.e. minimal or no downtime). I have collections that can be updated dynamically