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Scaling Big Data with Hadoop and Solr by Hrishikesh Karambelkar

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Apache Solr architecture

Apache Solr is composed of multiple modules, some of them being separate projects in themselves. Let's understand the different components of Apache Solr architecture. The following diagram depicts the Apache Solr conceptual architecture:

Apache Solr architecture

Apache Solr can run as a single core or multicore. A Solr core is nothing but the running instance of a Solr index along with its configuration. Earlier, Apache Solr had a single core which in turn limited the consumers to run Solr on one application through a single schema and configuration file. Later support for creating multiple cores was added. With this support, now, one can run one ...

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