Shawn Heisey wrote: > On 3/16/2016 10:11 AM, Tom Evans wrote: > > This worked, I would still be interested in a lighter-weight approach > > that doesn't involve joins to see if a given collection has a shard on > > this server. I suspect that might require a custom ping handler plugin > > however. > > If you are doing joins, then from what I understand, every node is going to > need a replica of every shard, because joins must operate entirely on a > single server. > I have never used joins, but I believe this is one of the feature's > limitations. This might > explain what I was saying in my previous reply.
This appears to be SOLR-7090, e.g. https://issues.apache.org/jira/browse/SOLR-7090. I'm not sure whether any of the patches there (or in related issues) would work for you, however. Certainly, replicating more broadly seems the simplest solution.
