By Surendra Mohan
In constructing Apache Solr, you might want to determine it is reaching optimal seek effects with greatest potency. This booklet exhibits you simply tips on how to in attaining that with a entire educational together with troubleshooting.
About This Book
- Achieve excessive ratings through boosting question time and index time, enforcing increase queries and services utilizing the Dismax question parser and formulae.
- Set up and use SolrCloud for dispensed indexing and looking out, and enforce allotted seek utilizing Shards
- Use GeoSpatial seek, dealing with homophones, and ignoring indexed phrases from being listed and searched
Who This e-book Is For
This e-book is perfect for Apache Solr builders who are looking to study varied concepts to optimize Solr's functionality with utmost potency, besides successfully troubleshooting the issues that sometimes take place whereas attempting to strengthen functionality. Familiarity with seek servers and database querying is expected.
What you are going to Learn
- Boost your seek in accordance with rankings, the DisMax question parser, and serve as queries.
- Explore functionality metrics in addition to enforcing assorted Solr caching like record, question end result, clear out, and full outcome web page caching.
- Index and seek throughout shards and close to real-time searching.
- Get to grips with extra functionality optimization actions like fetching records just like those queried, looking homophones, or filtering searches at the foundation of particular key words.
- Troubleshoot the typical difficulties like corrupt and locked indexes, reminiscence, pricey rubbish assortment, and endless loop exception whilst utilizing a number of server atmosphere efficiently
- Set up, configure, and set up a variety of purposes of ZooKeeper to optimize Solr's performance
Apache Solr is likely one of the hottest open resource seek servers on hand on the internet. besides the fact that, easily establishing Apache Solr isn't really sufficient to make sure the luck of your net product. to maximise potency, you should utilize ideas to spice up Solr functionality in an effort to go back suitable effects speedier. you want to enforce strong ideas that concentrate on optimizing the functionality of your Solr situations and likewise troubleshoot matters which are liable to come up whereas keeping Solr.
Apache Solr excessive functionality is a pragmatic advisor to help you discover and take complete benefit of the powerful nature of Apache Solr that allows you to in achieving optimized Solr situations, specifically when it comes to performance.
You will study every thing you want to understand for you to in achieving a excessive acting Solr example or set of cases, in addition to find out how to troubleshoot the typical difficulties you're at risk of face whereas operating with unmarried or a number of Solr servers.
This e-book provide you with an creation via explaining the must haves of Apache Solr and fitting it, whereas additionally integrating it with the necessary extra elements, and steadily progresses into positive aspects that make Solr versatile sufficient to accomplish excessive functionality rankings in a variety of conditions. relocating ahead, the e-book will conceal a number of transparent and hugely sensible recommendations to help you additional optimize your Solr cases' functionality either on unmarried in addition to a number of servers, and the best way to troubleshoot universal difficulties which are liable to come up whereas utilizing your Solr example. by means of the top of the e-book additionally, you will find out how to organize, configure, and set up ZooKeeper in addition to studying extra approximately different purposes of ZooKeeper.
You also will how you can deal with information in a number of server environments, searches in line with particular geographical co-ordinates, diverse caching recommendations, and numerous algorithms and formulae that permit greater functionality; and lots of more.
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Extra resources for Apache Solr High Performance
Navigate to the xampp folder, find the xampp-control application, and start it, as shown in the following screenshot: Start Apache, MySQL, and Tomcat services, and click on the Services button present at the right-hand side of the panel, as shown in the following screenshot: Locate Apache Tomcat Service, right-click on it, and navigate to Properties, as shown in the following screenshot: After the Properties window pops up, set the Startup type property to Automatic, and close the window by clicking on OK, as shown in the following screenshot: For the next few steps, we will stop Apache Tomcat in the Services window.
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.
Query-time and index-time boosting Before we actually get into the details of how to boost query-time and index-time, let us understand these terms for a better understanding of the actual concept. Query-time: It is the duration (in milliseconds) a query takes to run and process the search results. Let me remind you, this doesn't include the time taken to stream back the response. Index-time: It is the duration (in milliseconds) taken by the Solr instance to crawl the contents of the site and create their associated indices.
Apache Solr High Performance by Surendra Mohan