Re: SolrCloud increase replication factor

2016-05-23 Thread Hendrik Haddorp
Hi Tom, the pointer to the rule based placement was indeed what I was missing! I simply had to add the rule "shard:*,replica:<2,node:*", as documented, and my replicas do now get distributed as expected :-) thanks, Hendrik On 23/05/16 15:28, Tom Evans wrote: > On Mon, May 23, 2016 at 10:37 AM,

Re: SolrCloud increase replication factor

2016-05-23 Thread Erick Erickson
About (1), bq: The Solr Admin UI showed that my replication factor changed but otherwise nothing happened. this is as designed AFAIK. There's nothing built in to Solr to _automatically_ add replicas when this property is changed. My guess is that the MODIFYCOLLECTION code was written to help with

Re: SolrCloud increase replication factor

2016-05-23 Thread Hendrik Haddorp
What I find odd is that creating a collection with a replication factor greater then 1 does seem to not end up with replicas on the same node. However when one wants to add replicas later on one need to do the whole placement manually to avoid single point of failures. On 23/05/16 15:28, Tom

Re: SolrCloud increase replication factor

2016-05-23 Thread Jeff Wartes
https://github.com/whitepages/solrcloud_manager was designed to provide some easier operations for common kinds of cluster operation. It hasn’t been tested with 6.0 though, so if you try it, please let me know your experience. On 5/23/16, 6:28 AM, "Tom Evans"

Re: SolrCloud increase replication factor

2016-05-23 Thread Tom Evans
On Mon, May 23, 2016 at 10:37 AM, Hendrik Haddorp wrote: > Hi, > > I have a SolrCloud 6.0 setup and created my collection with a > replication factor of 1. Now I want to increase the replication factor > but would like the replicas for the same shard to be on different