Download Apache Solr High Performance by Surendra Mohan PDF

By Surendra Mohan

In developing Apache Solr, you need to determine it really is attaining optimal seek effects with greatest potency. This e-book indicates you simply easy methods to in achieving that with a finished instructional together with troubleshooting.

About This Book

  • Achieve excessive rankings via boosting question time and index time, imposing increase queries and services utilizing the Dismax question parser and formulae.
  • Set up and use SolrCloud for disbursed 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 ebook is perfect for Apache Solr builders who are looking to study assorted ideas to optimize Solr's functionality with utmost potency, in addition to successfully troubleshooting the issues that sometimes take place whereas attempting to develop functionality. Familiarity with seek servers and database querying is expected.

What you'll Learn

  • Boost your seek in line with rankings, the DisMax question parser, and serve as queries.
  • Explore functionality metrics besides imposing various Solr caching like rfile, question end result, filter out, and full 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 files 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, dear rubbish assortment, and countless loop exception whilst utilizing a number of server setting efficiently
  • Set up, configure, and installation numerous functions of ZooKeeper to optimize Solr's performance

In Detail

Apache Solr is without doubt one of the preferred open resource seek servers on hand on the internet. in spite of the fact that, easily developing Apache Solr isn't really adequate to make sure the good fortune of your net product. to maximise potency, you should use strategies to spice up Solr functionality to be able to go back suitable effects swifter. you want to enforce strong strategies that concentrate on optimizing the functionality of your Solr situations and in addition troubleshoot matters which are vulnerable to come up whereas protecting Solr.

Apache Solr excessive functionality is a realistic advisor that can assist you discover and take complete benefit of the strong nature of Apache Solr on the way to in achieving optimized Solr cases, specifically when it comes to performance.

You will study every thing you want to comprehend to be able to in achieving a excessive appearing Solr example or set of cases, in addition to the way to troubleshoot the typical difficulties you're at risk of face whereas operating with unmarried or a number of Solr servers.

This booklet provide you with an creation by means of explaining the must haves of Apache Solr and fitting it, whereas additionally integrating it with the mandatory extra parts, and progressively progresses into gains that make Solr versatile adequate to accomplish excessive functionality scores in numerous conditions. relocating ahead, the e-book will conceal a number of transparent and hugely sensible options that can assist you additional optimize your Solr situations' functionality either on unmarried in addition to a number of servers, and find out how to troubleshoot universal difficulties which are susceptible to come up whereas utilizing your Solr example. by way of the top of the e-book additionally, you will the right way to organize, configure, and installation ZooKeeper besides studying extra approximately different purposes of ZooKeeper.

You also will how one can deal with information in a number of server environments, searches in keeping with particular geographical co-ordinates, varied caching thoughts, and diverse algorithms and formulae that let greater functionality; and plenty of more.

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Let us now understand ord() or rord() using a scenario. Assuming there are four documents that have been indexed with the holding values 60, 60, 85, and 90, respectively, for a field, say field x. In this situation, ord(x) is going to return values ranging from 1 to 3, even though we have four documents in the index. The reason behind this is that out of four documents, only three of them are distinct (fields where the value 60 has been repeated). There is another difference but a tricky one, that is, the original values are not in a linear pattern.

Thus, in totality, we have three clauses that Solr would love to play around with. Assume that there is another document where this phrase doesn't match, but it has both the terms available individually and scattered out in there. In this case, only two of the clauses would match. As par Lucene's scoring algorithm, the coordination factor for the first document (which matched the complete phrase) would be higher, assuming that all the other factors remain the same. Configuring autophrase boosting Let me inform you, autophrase boosting is not enabled by default.

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