How To Specify A Site Collection To Use A Specific Search Service Application

Question

My SharePoint 2013 farm has two search services. I want different site collections to use a specific search service.

Im not sure if this is the correct/best way but I was thinking of creating a site collection result source, set it as the default source. In the result source using the query builder set the property filter for ServiceApplicationID to the ID of the search service?

Is this correct or is there a better way?

Thanks!

Answer 1

How many site collections are we talking about? Why do you have two search service applications?

If you want to have a split on search service application's usage, then its better to have it at web application level from a logical architecture perspective.

Central admin -> Application Management -> Service Application Association page to identify service application association with appropriate web application. Then again, you might need to re-consider two web applications decision in favor of host-named site collections.

If you don't do above, you can still manage to get away with creating result sources at service application level and refer them in the site collection using their GUIDs to filter results.