Download PDF by Surendra Mohan: Apache Solr High Performance

By Surendra Mohan

ISBN-10: 1306538394

ISBN-13: 9781306538398

ISBN-10: 1782164820

ISBN-13: 9781782164821

ISBN-10: 1782164839

ISBN-13: 9781782164838

In constructing Apache Solr, you need to be certain it truly is reaching optimal seek effects with greatest potency. This publication indicates you simply find out how to in attaining that with a accomplished educational together with troubleshooting.

About This Book

  • Achieve excessive rankings via boosting question time and index time, imposing advance queries and features utilizing the Dismax question parser and formulae.
  • Set up and use SolrCloud for dispensed indexing and looking out, and enforce disbursed seek utilizing Shards
  • Use GeoSpatial seek, dealing with homophones, and ignoring indexed phrases from being listed and searched

Who This ebook Is For

This e-book is perfect for Apache Solr builders who are looking to research diversified recommendations to optimize Solr's functionality with utmost potency, besides successfully troubleshooting the issues that typically 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 accordance with ratings, the DisMax question parser, and serve as queries.
  • Explore functionality metrics in addition to enforcing varied Solr caching like record, question outcome, filter out, and entire end result 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 out 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 while utilizing a number of server atmosphere efficiently
  • Set up, configure, and installation a variety of functions of ZooKeeper to optimize Solr's performance

In Detail

Apache Solr is likely one of the preferred open resource seek servers to be had on the net. despite the fact that, easily constructing Apache Solr isn't sufficient to make sure the good fortune of your net product. to maximise potency, you can use recommendations to spice up Solr functionality on the way to go back correct effects speedier. you want to enforce powerful innovations that concentrate on optimizing the functionality of your Solr situations and in addition troubleshoot concerns which are vulnerable to come up whereas preserving 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 which will in achieving optimized Solr circumstances, specifically by way of performance.

You will study every little thing you must understand with a view to in achieving a excessive acting Solr example or set of situations, in addition to the best way to troubleshoot the typical difficulties you're vulnerable to face whereas operating with unmarried or a number of Solr servers.

This ebook provide you with an advent via explaining the necessities of Apache Solr and fitting it, whereas additionally integrating it with the necessary extra parts, and steadily progresses into positive factors that make Solr versatile adequate to accomplish excessive functionality scores in quite a few conditions. relocating ahead, the publication will hide numerous transparent and hugely functional ideas that can assist you extra optimize your Solr circumstances' functionality either on unmarried in addition to a number of servers, and the right way to troubleshoot universal difficulties which are at risk of come up whereas utilizing your Solr example. by way of the tip of the e-book additionally, you will how you can arrange, configure, and set up ZooKeeper besides studying extra approximately different purposes of ZooKeeper.

You also will the way to deal with information in a number of server environments, searches in line with particular geographical co-ordinates, diversified caching ideas, and diverse algorithms and formulae that allow higher functionality; and plenty of more.

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In case it doesn't match, a second parameter (optional) is returned if it is supplied; else it returns 0. During function query parsing, due to the query's uncooperative location, it can't be entered normally, or to be more specific, painlessly. v="wm_music_attrib:3"}). The following is another function query that calculates the distance between two strings based on a specified algorithm and the value ranges from 0 to 1: strdist(s1, s2, alg): The first two arguments (s1 and s2) denote the strings between which the distance needs to be computed.

Additionally, you may use any version of these components, but keep in mind that they are compatible with each other and are secure enough to handle intruders. By now, there must be a folder called /xampp in your C: (by default). 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.

So, if you don't provide any argument, it will return the current time. If you provide one argument (say, ms(end_date)), it will return the argument passed (in our case, it will return the value for end_date). If you pass both the arguments (say, ms(end_date, start_date)), the second argument (start_date) will be subtracted by the first one (end_date) and the difference in the two values will be returned; that is, the function returns a value for end_date - start_date. There are a couple of function queries that return the score values of some other query.

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