Solr Cloud : SolrCloud is designed to provide a highly available, fault tolerant environment for distributing your indexed content and query requests across multiple servers. It’s a system in which data is organized into multiple pieces, or shards, that can be hosted on multiple machines, with replicas providing redundancy for both scalability and fault tolerance, and a ZooKeeper server that helps manage the overall structure so that both indexing and search requests can be routed properly. For More Info visit SolrCloud. Here I am going to explain Solrcloud setup (2 solr nodes on different machine) , 3 ZK (on different server) with shard 2. Solrconfig file is placed on central location. Prerequisites : Zookeeper-3.4.10 – 3 Solr -5.3.1 – Node 2 Shard – 2 Sitecore 8.1 Update-2 7-zip (to extract the zookeeper-3.4.10. tar.gz packages) Zookeeper Setup /machine -1 : Download Zookeeper-3.4.10 and extract pa...