I use a router.field so docs that I join from/to are always in the same shard. See https://cwiki.apache.org/confluence/display/solr/Shards+and+Indexing+Data+in+SolrCloud#ShardsandIndexingDatainSolrCloud-DocumentRouting
There is an open ticket SOLR-8297 https://issues.apache.org/jira/browse/SOLR-8297 Allow join query over 2 sharded collections: enhance functionality and exception handling On 22 May 2017 at 16:01, mganeshs <mgane...@live.in> wrote: > Is there any possibility of supporting joins across multiple shards in near > future ? How to achieve the join when our data is spread-ed across multiple > shards. This is very much mandatory when we need to scale out. > > Any workarounds if out-of-box possibility is not there ? > > Thanks, > > > > > > -- > View this message in context: http://lucene.472066.n3. > nabble.com/Join-not-working-in-Solr-6-5-tp4336247p4336256.html > Sent from the Solr - User mailing list archive at Nabble.com. >
