Book Image

Administrating Solr

By : Surendra Mohan
Book Image

Administrating Solr

By: Surendra Mohan

Overview of this book

Implementing different search engines on web products is a mandate these days. Apache Solr is a robust search engine, but simply implementing Apache Solr and forgetting about it is not a good idea, especially when you have to fight for the search ranking of your web product. In such a scenario, you need to keep monitoring, administrating, and optimizing your Solr to retain your ranking. "Administrating Solr" is a practical, hands-on guide. This book will provide you with a number of clear, step-by-step exercises and some advanced concepts which will help you administrate, monitor, and optimize Solr using Drupal and associated scripts. Administrating Solr will also provide you with a solid grounding on how you can use Apache Solr with Drupal. "Administrating Solr" starts with an overview of Apache Solr and the installation process to get you familiar with Solr. It then gradually moves on to discuss the mysteries that make Solr flexible enough to render appropriate search results in different scenarios. This book will take you through clear and practical concepts that will help you monitor, administrate, and optimize your Solr appropriately using both scripts and tools. This book will also teach you ways to query your search and methods to keep your Solr healthy and well maintained. With this book, you will learn how to effectively implement and optimize Solr using Drupal.
Table of Contents (12 chapters)

Configuring logging

Now let us learn how we can configure logging in Solr.

Solr Version older than 4.3 used the SLF4J Logging API, which was not flexible enough to support containers other than Jetty. Techies figured out this restriction and incorporated the solution in Solr 4.3 so as to improve flexibility in logging even with non-Jetty containers. To do so, they changed the default behavior and removed SLF4J jars from Solr's .war file which allows changing and upgrading the logging mechanism as and when required.

For further information on SLF4J logging API and Solr logging, you may refer to http://www.slf4j.organd respectively.

Solr provides flexibility to configure your logs either on a temporary or permanent basis based on your needs. So, let us discuss these two ways of configuring your logs one by one.

Temporary logging settings

Temporary logging settings are recommended only in the situations wherein you need a different setting on one-time basis...