First, do not think in terms of cores, think "replicas" ;). And do not,
use the "core admin" bits of the admin UI to do any SolrCloud-related
operations. It's possible, but far too easy to get wrong.
Use the collections API instead.
Second, 600 collections, assuming all on a single cluster is
get
hello,
i'am a bit confused about how solr cloud recovery is supposed to work
exactly in the case of loosing a single node completely.
My 600 collections are created with
numShards=3&replicationFactor=3&maxShardsPerNode=3
However, how do i configure a new node to take the place of the dead
node,
