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Scaling Apache Solr by Hrishikesh Vijay Karambelkar

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Understanding SolrCloud

SolrCloud provides a new way to enable distributed enterprise search using Apache Solr in enterprises. Previously, with the standard distributed Solr support, a lot of the manual work has been automated by SolrCloud. With the introduction of SolrCloud, the manual steps such as configuring solr-config.xml to talk with shards, adding documents to the shards, and similar type of work is automatic. Unlike the traditional approach of master- or slave-based distributed Solr, SolrCloud provides a leader-replica-based approach as its implementation. SolrCloud runs on top of Apache Zookeeper. First, let's understand Zookeeper.

Why Zookeeper?

SolrCloud contains a cluster of nodes, which talk with one another through Apache Zookeeper. ...

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