Thanks for raising this, Pierre. My short answer is that for the use
cases I'm directly concerned with, transient cores would I think not
be useful. Although we could absolutely benefit from transient cores
if it were simply a question of _querying_ (relatively light and
variable query load on many
I think the fundamental underlying question is how SolrCloud is run. I’m
under the impression that most deployments of SolrCloud tend to use all
collections/shards all the time, in which case unloading cores is not
overly useful.
The use case for transient cores is when different collections or di
