New PDF release: Apache Solr High Performance
By Surendra Mohan
In constructing Apache Solr, you might want to be certain it really is reaching optimal seek effects with greatest potency. This ebook indicates you simply how one can in attaining that with a complete educational together with troubleshooting.
About This Book
- Achieve excessive ratings through boosting question time and index time, imposing strengthen queries and capabilities utilizing the Dismax question parser and formulae.
- Set up and use SolrCloud for dispensed indexing and looking, and enforce dispensed seek utilizing Shards
- Use GeoSpatial seek, dealing with homophones, and ignoring indexed phrases from being listed and searched
Who This publication Is For
This booklet is perfect for Apache Solr builders who are looking to research diversified suggestions to optimize Solr's functionality with utmost potency, besides successfully troubleshooting the issues that sometimes happen 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 imposing diversified Solr caching like record, question outcome, clear 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 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, pricey rubbish assortment, and countless loop exception while utilizing a number of server setting efficiently
- Set up, configure, and install quite a few functions of ZooKeeper to optimize Solr's performance
Apache Solr is without doubt one of the most well-liked open resource seek servers on hand on the net. even if, easily constructing Apache Solr isn't sufficient to make sure the luck of your internet product. to maximise potency, you should utilize recommendations to spice up Solr functionality on the way to go back correct effects swifter. you must enforce strong suggestions that concentrate on optimizing the functionality of your Solr circumstances and likewise troubleshoot matters which are at risk of come up whereas conserving Solr.
Apache Solr excessive functionality is a pragmatic consultant that can assist you discover and take complete benefit of the powerful nature of Apache Solr on the way to in achieving optimized Solr cases, in particular by way of performance.
You will research every little thing you want to recognize so as to in achieving a excessive acting Solr example or set of situations, in addition to the right way to troubleshoot the typical difficulties you're susceptible to face whereas operating with unmarried or a number of Solr servers.
This booklet provide you with an advent by means of explaining the must haves of Apache Solr and fitting it, whereas additionally integrating it with the mandatory extra elements, and steadily progresses into good points that make Solr versatile adequate to accomplish excessive functionality rankings in a variety of conditions. relocating ahead, the ebook will conceal a number of transparent and hugely functional recommendations to help you extra optimize your Solr circumstances' functionality either on unmarried in addition to a number of servers, and easy methods to troubleshoot universal difficulties which are at risk of come up whereas utilizing your Solr example. by way of the top of the publication additionally, you will how to arrange, configure, and set up ZooKeeper in addition to studying extra approximately different functions of ZooKeeper.
You also will methods to deal with information in a number of server environments, searches in keeping with particular geographical co-ordinates, various caching ideas, and diverse algorithms and formulae that permit greater functionality; and plenty of more.
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Additional resources for Apache Solr High Performance
Neither the author nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: March 2014 Production Reference: 1180314 Published by Packt Publishing Ltd.
625 for the term surendra. This is because the term we wanted to score higher had a field with more indexed terms (two indexed terms in case of Surendra Mohan), and just one for Surena on the other hand. Thus, we can say that Surena is a closer match than Surendra Mohan as far as our fuzzy query Surendra~ is concerned. By now, we are in a better position as we figured out the reason behind this behavior. Now, it's time to find a solution that really works for us, though our expected search is not far behind the actual one.
When you increase your function's values above 0, this means you are trying to reduce the influence relative to the user query. 6, it is weighed approximately half of what you added. 3 Function queries A function query can be defined as a user-specified Solr function that is usually mathematical in nature and is supported by dismax, edismax, and other standard query parsers. It enables you to generate a relevancy score based on the actual value of one or more numeric fields. Since function queries are technical, they are so robust that they can be used in instances where the queries' context comes into picture.
Apache Solr High Performance by Surendra Mohan