SolrCloud is Solr's capability to run as a cluster of Solr servers to achieve fault tolerance and high availability for both indexing and search functionality. For using SolrCloud, read the documentation in Solr Reference Guide: Getting Started with SolrCloud.

Note

Be aware, that according to ZooKeeper Ensemble Configuration you should not use Solr’s embedded ZooKeeper, but an external ZooKeeper setup.