In setting up Apache Solr, you'll want to ensure it's achieving optimum search results with maximum efficiency. This book shows you just how to achieve that with a comprehensive tutorial including troubleshooting.About This Book<ul>
<li>Achieve high scores by boosting query time and index time, implementing boost queries and functions using the Dismax query parser and formulae.</li> <li>Set up and use SolrCloud for distributed indexing and searching, and implement distributed search using Shards</li> <li>Use GeoSpatial search, handling homophones, and ignoring listed words from being indexed and searched</li> </ul>Who This Book Is ForThis book is ideal for Apache Solr developers who want to learn different techniques to optimize Solr's performance with utmost efficiency, along with effectively troubleshooting the problems that usually occur while trying to boost performance. Familiarity with search servers and database querying is expected.What You Will Learn<ul>
<li>Boost your search based on scores, the DisMax query parser, and function queries.</li> <li>Explore performance metrics along with implementing different Solr caching like Document, query result, filter, and whole result page caching.</li> <li>Index and search across shards and near real-time searching.</li> <li>Get to grips with additional performance optimization activities like fetching documents similar to the ones queried, searching homophones, or filtering searches on the basis of specific key words.</li> <li>Troubleshoot the common problems like corrupt and locked indexes, memory, expensive garbage collection, and infinite loop exception when using multiple server environment efficiently</li> <li>Set up, configure, and deploy various applications of ZooKeeper to optimize Solr's performance</li> </ul>In DetailApache Solr is one of the most popular open source search servers available on the web. However, simply setting up Apache Solr is not enough to ensure the success of your web product. To maximize efficiency, you need to use techniques to boost Solr performance in order to return relevant results faster. You need to implement robust techniques that focus on optimizing the performance of your Solr instances and also troubleshoot issues that are prone to arise while maintaining Solr. Apache Solr High Performance is a practical guide that will help you explore and take full advantage of the robust nature of Apache Solr so as to achieve optimized Solr instances, especially in terms of performance. You will learn everything you need to know in order to achieve a high performing Solr instance or set of instances, as well as how to troubleshoot the common problems you are prone to face while working with single or multiple Solr servers. This book offers you an introduction by explaining the prerequisites of Apache Solr and installing it, while also integrating it with the required additional components, and gradually progresses into features that make Solr flexible enough to achieve high performance ratings in various circumstances. Moving forward, the book will cover several clear and highly practical concepts that will help you further optimize your Solr instances' performance both on single as well as multiple servers, and learn how to troubleshoot common problems that are prone to arise while using your Solr instance. By the end of the book you will also learn how to set up, configure, and deploy ZooKeeper along with learning more about other applications of ZooKeeper. You will also learn how to handle data in multiple server environments, searches based on specific geographical co-ordinates, different caching techniques, and various algorithms and formulae that enable better performance; and many more.

Apache Solr High Performance: Boost the Performance of Solr Instances and Troubleshoot Real-time Problems

Computers & Technology

Mohan, Surendra

Software

Packt Pub Ltd

Master the use of Drupal and associated scripts to administrate, monitor, and optimize Solr Overview  Learn how to work with monitoring tools like OpsView, New Relic, and SPM Utilize Solr scripts and Collection Distribution scripts to manage Solr Employ search features like querying, categorizing, search based on location, and distributed search  In Detail Implementing different search engines on web products is a mandate these days. Apache Solr is a robust search engine, but simply implementing Apache Solr and forgetting about it is not a good idea, especially when you have to fight for the search ranking of your web product. In such a scenario, you need to keep monitoring, administrating, and optimizing your Solr to retain your ranking. "Administrating Solr" is a practical, hands-on guide. This book will provide you with a number of clear, step-by-step exercises and some advanced concepts which will help you administrate, monitor, and optimize Solr using Drupal and associated scripts. Administrating Solr will also provide you with a solid grounding on how you can use Apache Solr with Drupal. "Administrating Solr" starts with an overview of Apache Solr and the installation process to get you familiar with Solr. It then gradually moves on to discuss the mysteries that make Solr flexible enough to render appropriate search results in different scenarios. This book will take you through clear and practical concepts that will help you monitor, administrate, and optimize your Solr appropriately using both scripts and tools. This book will also teach you ways to query your search and methods to keep your Solr healthy and well maintained. With this book, you will learn how to effectively implement and optimize Solr using Drupal. What you will learn from this book  Install Solr and handle requests and responses Utilize various search types like faceted, geospatial, and distributed search Monitor metrics like stats.jsp, Solr with JMX, and password-based authentication both for single-user and multi-user environments Back up your Solr using the Solr Replication Handler and configure your Solr logs Create scripts to configure indexer and slave servers Understand and create business rules using Drools Learn about and configure language detection features like Tika and LangDetect Discover OpenNLP and the activities it can perform including tokenization, sentence splitting, part-of-speech tagging, and so on Implement Apache Solr with Drupal  Approach A fast-paced, example-based guide to learning how to administrate, monitor, and optimize Apache Solr. Who this book is written for "Administrating Solr" is for developers and Solr administrators who have a basic knowledge of Solr and who are looking for ways to keep their Solr server healthy and well maintained. A basic working knowledge of Apache Lucene is recommended, but this is not mandatory.

Administrating Solr

Web Development & Design

Explores myth, created by Western historians, of the Nawabs of Awadh being decadent and effete. Author argues that the regime of the Nawabs was liberal and gave full rein to the indigenous tradition of communal amity and folk culture. Based on meticulous research, including oral traditions, this book is a noteworthy contribution to the field of Awadh history.

Awadh under the nawabs: Politics, culture, and communal relations, 1722-1856

History

Asia

Manohar Publishers & Distributors

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