Apache Solr High Performance -- Table of Contents -- Apache Solr High Performance -- Credits -- About the Author -- About the Reviewers -- www.PacktPub.com -- Support files, eBooks, discount offers and more -- Why Subscribe? -- Free Access for Packt account holders -- Preface -- What this book covers -- What you need for this book -- Who this book is for -- Conventions -- Reader feedback -- Customer support -- Downloading the example code -- Errata -- Piracy -- Questions -- 1. Installing Solr -- Prerequisites for Solr -- Installing components -- Summary -- 2. Boost Your Search -- Scoring -- Query-time and index-time boosting -- 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 references -- Function references -- Mathematical operations -- The ord() and rord() functions -- Other functions -- Boosting the function query -- Logarithm -- Reciprocal -- Linear -- Inverse reciprocal -- Summary -- 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 -- 4. Additional Performance Optimization Techniques -- Documents similar to those returned in the search result -- Sorting results by function values -- Searching for homophones -- Ignore the defined words from being searched -- Summary -- 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 indexation -- Summary -- 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 -- A. Resources -- Index.