Re: migrating solr 4.2.1 to 5.X

2016-01-27 Thread Erick Erickson
Well, a Solr index is just a bunch of files. So what I'd do is grab two machines that are lying around (or even just one with two Solrs) and try it. You could just copy the whole Solr tree from your master to machine 1, from your slave to machine 2. You'd have to change solrconfig on machine 2 to

Re: migrating solr 4.2.1 to 5.X

2016-01-27 Thread Shawn Heisey
On 1/27/2016 2:00 AM, Zaccheo Bagnati wrote: > I apologize for connecting to this thread but I'm interested in this topic > as well. I think we have a similar configuration: solr 4.8, standard > master/slave replication, data is indexed on master and then replicated to > slave. I'm investigating ho

Re: migrating solr 4.2.1 to 5.X

2016-01-27 Thread Zaccheo Bagnati
Hi, I apologize for connecting to this thread but I'm interested in this topic as well. I think we have a similar configuration: solr 4.8, standard master/slave replication, data is indexed on master and then replicated to slave. I'm investigating how to migrate to solr 5.*. Erick, you say that the

Re: migrating solr 4.2.1 to 5.X

2016-01-26 Thread Erick Erickson
Yes and Yes. The developers try very hard to make Solr one major release backwards compatible. So 5x should be able to read 4x just fine. Nothing has really changed in replication, so 5x supports master/slave. It's just becoming less popular as SolrCloud is significantly easier to operationalize.

migrating solr 4.2.1 to 5.X

2016-01-26 Thread Midas A
I want migrate from solr 4.2.1 to 5.X version hten my question is - can i use same snapshot of 4.2.1 in 5.x.x Actually Indexing will take long time in my case then it would be possible to do or we should not do this. next similar question is - can we replicate 4.2.1 master to slave 5.x.x solr