Choosing the proper directory configuration
One of the most crucial properties of Apache Lucene and Solr is the Lucene Directory implementation. The directory interface provides an abstraction layer for all I/O operations for the Lucene library. Although it seems simple, choosing the right directory implementation can affect the performance of your Solr setup in a drastic way. This recipe will show you how to choose the right directory implementation.
How to do it...
In order to use the desired directory, all you need to do is choose the right directory factory implementation and inform Solr about it. Let's assume that you want to use NRTCachingDirectory as your directory implementation. In order to do this, you need to place (or replace if it is ...
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