Core Creation in Solr

Before Starting anything into the Solr We have to create the Core. A Core is a running instance or the process of a Lucene index that contains all the Solr configuration files. We need to create a Core to perform operations like indexing and analyzing. It is mentioned that the Solr application may contain one core or more and can communicate with multiple cores.

Its similar to Creating the Endeca App. The Core can be created in two ways.

Creating through Command

Navigate to C:\Dev\solr-7.5.0\bin>solr.cmd create -c example

It will create the core for the Solr.

WARNING: Using _default configset with data have driven schema functionality. NOT RECOMMENDED for production use.
         To turn off: bin\solr config -c example -p 8983 -action set-user-property -property update.autoCreateFields -value false
INFO  - 2018-12-25 12:03:30.613; org.apache.solr.util.configuration.SSLCredentialProviderFactory; Processing SSL Credential Provider chain: env;sysprop

Created a new core 'example'

Creating through Solr Admin UI

Navigate to AdminUI>core Admin>Add Core

Fill the following popup

name:<name of the solr>

instanceDir:<Directory where the solr-Config.xml is avalible> In case if the solr-Config.xml is not created the We can use it from the default config set that comes up with Solr.

C:\Dev\solr-7.5.0\server\solr\example

Copy the directory conf from the

C:\Dev\solr-7.5.0\server\solr\configsets\_default

to

C:\Dev\solr-7.5.0\server\solr\example\conf

Give the Instance Directory as C:\Dev\solr-7.5.0\server\solr\example

dataDir:<Directory Where the Indexing Files stored>

C:\Dev\solr-7.5.0\server\solr\example\data

Remaining config and schema leave it as it.

Here understanding two folder structure is important.

conf> Where the solr configurations are stored.

data>Where the indexed data files are stored in the non readable format.

Happy Coring !!!!