Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Installing Solr; Prerequisites; Installing components; Summary; Chapter 2: Boost Your Search; Scoring; Boosting query-time and index-time; Index-time boosting; Query-time boosting; Troubleshoot queries and scores; The dismax query parser; Lucene DisjunctionMaxQuery; Autophrase boosting; Configuring autophrase boosting; Configuring the phrase slop; Boosting a partial phrase; Boost queries; Boost functions; Boost addition and multiplication; Function queries.

Field referencesFunction references; Mathematical operations; The ord() and rord() functions; Other functions; Boosting the function query; Logarithm; Reciprocal; Linear; Inverse reciprocal; Summary; Chapter 3: Performance Optimization; Solr performance factors; Solr caching; Document caching; Query result caching; Filter caching; Result pages caching; Using SolrCloud; Creating a SolrCloud cluster; Multiple collections within a cluster; Managing a SolrCloud cluster; Distributed indexing and searching; Stopping automatic document distribution; Near real-time search; Summary.

Chapter 4: Additional Performance Optimization TechniquesDocuments similar to those returned in the search result; Sorting results by function values; Searching for homophones; Ignore the defined words from being searched; Summary; Chapter 5: Troubleshooting; Dealing with the corrupt index; Reducing the file count in the index; Dealing with the locked index; Truncating the index size; Dealing with a huge count of open files; Dealing with out-of-memory issues; Dealing with an infinite loop exception in shards; Dealing with expensive garbage collection.

Bulk updating a single field without full indexationSummary; Chapter 6: Performance Optimization with ZooKeeper; Getting familiar with ZooKeeper; Prerequisites for a distributed server; Aid your distributed system using ZooKeeper; Setting an ideal node count for ZooKeeper; Setting up, configuring, and deploying ZooKeeper; Setting up ZooKeeper; Configuring Zookeeper; Deploying ZooKeeper; Applications of ZooKeeper; Summary; Appendix; Index.