Solr Interview Questions & Answer

Which syntax is used to stop Solr?

$ bin/solr stop -p 8983 is used to stop Solr.

Which command is used to start Solr in foreground?

$ bin/solr start -f is used to start Solr in foreground.

What syntax is used to check whether Solr is currently running or not?

$ bin/solr status is used to check Solr running status.

Give the syntax to start the server.

$ bin/solr start is used to start the server.

How to shut down Apache Solr?

Solr is shut down from the same terminal where it was launched. Click Ctrl+C to shut it down.

What data is specified by Schema?

Schema declares -

• how to index and search each field
• what kinds of fields are available
• what fields are required
• what field should be used as the unique/primary key

Name the basic Field types in Solr.

• date
• long
• double
• text
• float

How to install Solr?

The three steps of Installation are:

• Server-related files, e.g. Tomcat or start.jar (Jetty)
• Solr webapp as a .war
• Solr Home which comprises the data directory and configuration files
  

What are the important configuration files of Solr?

Solr supports two important configuration files

• solrconfig.xml
• schema.xml

What are the most common elements in solrconfig.xml?

The most common elements in solrconfig.xml are:

• Search components
• Cache parameters
• Data directory location
• Request handlers