Yes, the collections param is only for SolrCloud. But if your not using SolrCloud, the same stuff you did on Solr3 should work on Solr4…
- Mark On Mar 7, 2013, at 9:35 AM, Kenneth Baltrinic <kbaltri...@bericotechnologies.com> wrote: > We are in the process of upgrading a single instance Solr 3 implementation > to Solr 4. The instance contains multiple cores that share the same schema > (in fact they share the same instanceDir but with distinct dataDirs). We > also need the ability to perform cross-index queries. In Solr3 we have > been using the shards parameter to do this in a manner similar to the > following: > > http://solr-box/core1/select?shards=http://solr-box/core2,http://solr-box/core3&q=. > .. > > The above approach was taken from this blog article: > http://blog.shutupandcode.net/?p=1136 > > Now, having setup a single instance solr4 server, we are trying the > following: > > http://solr-box/core1/select?collection=core2,core3&q=... > > The query runs w/o error but only returns results from core1. The > documentation seems to imply that the collection parameter will only work > if we are using "SolrCloud" aka, solr w/zookeeper, etc. Since we only need > one solr instance this seems overkill. Are we missing something? Is there > way to just use a basic Solr4 setup and still query across collections? > > Thanks in advance for any help. If I left out needed details I will be > happy to answer questions. > > --Ken
