By Surendra Mohan
In establishing Apache Solr, you want to make sure it really is reaching optimal seek effects with greatest potency. This e-book indicates you simply how you can in achieving that with a entire educational together with troubleshooting.
About This Book
- Achieve excessive rankings through boosting question time and index time, imposing develop queries and features utilizing the Dismax question parser and formulae.
- Set up and use SolrCloud for allotted 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 booklet Is For
This booklet is perfect for Apache Solr builders who are looking to research diversified concepts to optimize Solr's functionality with utmost potency, in addition to successfully troubleshooting the issues that sometimes ensue whereas attempting to improve functionality. Familiarity with seek servers and database querying is expected.
What you are going to Learn
- Boost your seek in response to rankings, the DisMax question parser, and serve as queries.
- Explore functionality metrics in addition to imposing diverse Solr caching like record, question outcome, clear out, and entire 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 files just like those queried, looking out homophones, or filtering searches at the foundation of particular key words.
- Troubleshoot the typical difficulties like corrupt and locked indexes, reminiscence, dear rubbish assortment, and endless loop exception whilst utilizing a number of server setting efficiently
- Set up, configure, and install a number of purposes of ZooKeeper to optimize Solr's performance
Apache Solr is likely one of the preferred open resource seek servers to be had on the net. despite the fact that, easily developing Apache Solr isn't adequate to make sure the luck of your internet product. to maximise potency, you should utilize ideas to spice up Solr functionality in an effort to go back proper effects quicker. you must enforce strong thoughts that target optimizing the functionality of your Solr circumstances and in addition troubleshoot matters which are susceptible to come up whereas conserving Solr.
Apache Solr excessive functionality is a pragmatic advisor to help you discover and take complete good thing about the strong nature of Apache Solr as a way to in attaining optimized Solr circumstances, specially by way of performance.
You will examine every little thing you want to be aware of so that it will in achieving a excessive appearing Solr example or set of circumstances, in addition to easy methods to troubleshoot the typical difficulties you're liable to face whereas operating with unmarried or a number of Solr servers.
This ebook provide you with an creation by way of explaining the necessities of Apache Solr and fitting it, whereas additionally integrating it with the necessary extra elements, and steadily progresses into beneficial properties that make Solr versatile sufficient to accomplish excessive functionality rankings in quite a few situations. relocating ahead, the booklet will conceal a number of transparent and hugely functional options to help you additional optimize your Solr situations' functionality either on unmarried in addition to a number of servers, and tips on how to troubleshoot universal difficulties which are susceptible to come up whereas utilizing your Solr example. by way of the top of the publication additionally, you will the way to organize, configure, and install ZooKeeper besides studying extra approximately different functions of ZooKeeper.
You also will how one can deal with facts in a number of server environments, searches in accordance with particular geographical co-ordinates, diverse caching strategies, and numerous algorithms and formulae that let higher functionality; and plenty of more.
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Extra resources for Apache Solr High Performance
To confirm, type http://localhost:8080/solr/admin/ and hit the Enter key on the keyboard. You should be able to see Apache Solr's dashboard. Summary In this chapter, we have learned about the prerequisites necessary to run Apache Solr successfully and how to install and configure XAMPP, Tomcat, the Solr server, and the Solr client. In the next chapter, we will learn the different ways to boost our search using query parsers and various robust function queries such as field references, function references, and function query boosting based on different criteria.
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You may also implement a multiplied boost factor to the function with bf by appending ^150 (or another value) at the end of the function query. It is equivalent to using the mul() function query. Boost addition and multiplication If you have overcome the difficulty in additive boosting (the bf parameter), you would probably be satisfied enough with the scoring. However, let me tell you that multiplicative boosting (the boost parameter) is even easier to use, especially in situations where the intended boost query is less than or equal to the user query (normally true).