Solr cookbook : solve real-time problems related to Apache Solr 4.x and 5.0 effectively with the help of over 100 easy-to-follow recipes / / Rafał Kuć

• Record Nr.: UNINA9910464134903321
• Autore: Kuć Rafał
• Pubbl/distr/stampa: Birmingham, England : , : Packt Publishing, , 2015; ©2015
• ISBN: 1-78355-316-2
• Edizione: [Third edition.]
• Descrizione fisica: 1 online resource (356 p.)
• Disciplina: 005.758
• Soggetti: Search engines - Programming; Web search engines; Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Includes index.; "Quick Answes To Common Problems"--Cover.
• Nota di contenuto: Cover; Copyright; Credits; About the Author; Acknowledgments; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Apache Solr Configuration; Introduction; Running Solr on a standalone Jetty; Installing ZooKeeper for SolrCloud; Migrating configuration from master-slave to SolrCloud; Choosing the proper directory configuration; Configuring the Solr spellchecker; Using Solr in a schemaless mode; Limiting I/O usage; Using core discovery; Configuring SolrCloud for NRT use cases; Configuring SolrCloud for high-indexing use cases; Configuring SolrCloud for high-querying use casesConfiguring the Solr heartbeat mechanism; Changing similarity; Chapter 2: Indexing Your Data; Introduction; Indexing PDF files; Counting the number of fields; Using parsing update processors to parse data; Using scripting update processors to modify documents; Indexing data from a database using Data Import Handler; Incremental imports with DIH; Transforming data when using DIH; Indexing multiple geographical points; Updating document fields; Detecting the document language during indexation; Optimizing the primary key indexation; Handling multiple currenciesChapter 3: Analyzing Your Text Data; Introduction; Using the enumeration type; Removing HTML tags during indexing; Storing data outside of Solr index; Using synonyms; Stemming different languages; Using nonaggressive stemmers; Using the n-gram approach to do performant trailing wildcard searches; Using position increment to divide sentences; Using patterns to replace tokens; Chapter 4: Querying Solr; Introduction; Understanding and using the Lucene query language; Using position aware queries; Using boosting with autocomplete; Phrase queries with shingles; Handling user queries without errorsHandling hierarchies with nested documents; Sorting data on the basis of function value; Controlling the number of terms needed to match; Affecting document score using function queries; Using simple nested queries; Using the Solr document query join functionality; Handling typos with n-grams; Rescoring query results; Chapter 5: Faceting; Introduction; Getting the number of documents with the same field value; Getting the number of documents with the same value range; Getting the number of documents matching the query and subquery; Removing filters from faceting resultsUsing decision tree faceting; Calculating faceting for relevant documents in groups; Improving faceting performance for low cardinality fields; Chapter 6: Improving Solr Performance; Introduction; Handling deep paging efficiently; Configuring the document cache; Configuring the query result cache; Configuring the filter cache; Improving Solr query performance after the start and commit operations; Lowering the memory consumption of faceting and sorting; Speeding up indexing with Solr segment merge tuning; Avoiding caching of rare filters to improve the performance
• Sommario/riassunto: This book is for intermediate Solr Developers who are willing to learn and implement Pro-level practices, techniques, and solutions. This edition will specifically appeal to developers who wish to quickly get to grips with the changes and new features of Apache Solr 5.