Solr setup

Docs and sources:

This introduction is based on the official Solr documentation:

• Installing Solr
• Downloads
• core.properties

Download and run

wget "https://www.apache.org/dyn/closer.lua/solr/solr/9.7.0/solr-9.7.0.tgz?action=download" -O solr-9.7.0.tgz

tar -xvzf solr-9.7.0.tgz
cd solr-9.7.0.tgz

./bin/solr start

cat server/logs/solr.log

./bin/solr status

Open in the browser: http://localhost:8983/

Create a core

What is a core?

Core in Solr is equivalent of a database in PostgreSQL or MySQL or index in Elasticsearch. It is a logical collection of documents.

./bin/solr create -c mycore

Directory structure of a core

rafal@MacBook-Pro-Rafal solr-9.7.0 % ls -l server/solr/mycore
total 4
drwxr-xr-x 8 rafal staff 256 Sep  4 00:06 conf
-rw-r--r-- 1 rafal staff  76 Oct 26 12:59 core.properties
drwxr-xr-x 5 rafal staff 160 Oct 26 12:59 data

• core.properties - this file tells Solr that this directory keeps a Solr core, see core.properties
• conf - configuration
• data - data files. It's safe to clear this directory to remove all data.

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