Download Apache Solr 3.1 Cookbook by Rafal Kuc PDF

By Rafal Kuc

Over a hundred recipes to find new how one can paintings with Apache's company seek Server
• enhance the best way you're employed with Apache Solr to make your seek engine faster and extra effective
• take care of functionality, setup, and configuration difficulties in no time
• detect little-known Solr functionalities and create your personal modules to customise Solr to your company's needs
• a part of Packt's Cookbook sequence; every one bankruptcy covers a unique element of operating with Solr

In Detail

Apache Solr is a quick, scalable, sleek, open resource, and easy-to-use seek engine. It permits you to boost a certified seek engine to your ecommerce web site, net software, or again workplace software program. establishing Solr is simple, yet configuring it to get the main from your web site is the tough bit.

The Solr 3.1 Cookbook will make your daily paintings more uncomplicated through the use of real-life examples that assist you take care of the commonest difficulties which may come up whereas utilizing the Apache Solr seek engine. Why waste a while looking out the net for strategies for those who may have the entire solutions in a single position?

This cookbook will assist you get the main from your seek engine. each one bankruptcy covers a distinct element of operating with Solr from reading your textual content facts via querying, functionality development, and constructing your personal modules. the sensible recipes can help you to quick resolve universal issues of info research, enable you to use faceting to gather information and to hurry up the functionality of Solr. you are going to know about functionalities that almost all novices are blind to, akin to sorting effects by way of a functionality price, highlighting matched phrases, and computing facts to make your paintings with Solr effortless and tension unfastened .

This useful advisor indicates you ways to get the main out of Apache Solr 3.1 with recipes that assist you enhance your seek engine's functionality, examine information speedy and successfully, and customise the hunt server together with your personal modules.

What you are going to study from this book
• Index facts in several codecs and forms
• Use the Solr management panel to find the main in general sought for information
• easy methods to use various information grouping techniques
• increase your Solr deployment performance
• Create and use your individual Apache Solr modules
• Configure your cache to cater for adjustments on your data
• Import information utilizing the information Import Handler and delta query
• question Solr to look for words, kind effects through diverse fields, and seek geographical points
• Create new functions that use Solr
• lessen the scale of your index for swifter searching


This e-book is a part of Packt's Cookbook sequence; each one bankruptcy seems to be at a unique element of operating with Apache Solr. The recipes care for universal difficulties of operating with Solr through the use of easy-to-understand, real-life examples. The booklet isn't really whatsoever an entire Apache Solr reference and also you may still see it as a supporting hand whilst issues get tough in your trip with Apache Solr.

Who this booklet is written for

Developers who're operating with Apache Solr and wish to understand how to strive against universal difficulties will locate this publication of significant use. wisdom of Apache Lucene will be an advantage yet isn't required.

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Extra resources for Apache Solr 3.1 Cookbook

Sample text

As you can see, unlike the XML format, a single document requires a separate add command. We also told Solr to overwrite documents in the index by the ones that come from the JSON file by adding an overwrite parameter set to true. This parameter can be defined for every add command separately. Next, we have document definitions. Every document is defined by a doc part of the file. Similar to the add command, the doc command is followed by a:character and curly brackets, between which fields and document attributes will be defined.

There's more... There are a few things that you should know when configuring your caches. method=enum), Solr will use the filter cache to check each term. Remember that if you use this method, your filter cache size should have at least the size of the number of unique facet values in all your faceted fields. This is crucial and you may experience performance loss if this cache is not configured the right way. When we have no cache hits When your Solr instance has a low cache hit ratio, you should consider not using caches at all (to see the hit ratio, you can use the administration pages of Solr).

In our example, we told Nutch to get a maximum of 50 documents per level of depth. The next big thing is the link inversion process. This process is performed to generate link database so that Nutch can index the anchor with the associated pages. The invertlinks command of Nutch command line utility was run with two parameters: ff ff Output directory where the newly created link database should be created Directory where the data segments were written during the crawl process The last command that was run was the one that pushed the data into Solr.

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