>From the Solr wiki[1] :
*Logical*
/Collection/ : It is a collection of documents which share the same logical
domain and data structure
*Physical*
/Solr Node/ : It is a single instance of a Solr Server. From OS point of
view it is a single Java Process ( internally it is the Solr Web App
deploy
Hi,
Let’s start from the top and introduce also Shards, Primaries and Replicas:
SolrCluster is a cluster of Solr Nodes. Nodes are part of the same cluster if
reading configuration from the same “folder” of the same Zookeeper ensemble
(ensemble = cluster in ZK terminology).
Node is the instance of
Gunalan,
Solr Core (core), is one-to-one with a Solr process and its data directory. It
can be a shard, or part of a replica.
Collection - is one or more shards grouped together, and can be replicated for
reliability, availability and performance
Node - is a machine in a Zookeeper group
SolrClu
