Apache Solr interview questions with Answers
Question: 1. What is Apache Solr?
Answer: It is a standalone complete text search server which applications communicate with using XML and HTTP to index files, or execute searches. It is used to help a rich schema specification that is used to allow for a extensive variety of flexibleness in managing extraordinary file fields, and has an extensive search plugin API for developing custom seek behavior.
Question: 2. Which report contains configuration for facts directory?
Answer: solrconfig.Xml document incorporates configuration for records directory.
Question: 3. Which document consists of definition of the sector kinds and fields of documents?
Answer: schema.Xml file carries definition of the sector kinds and fields of files.
Question: 4. What are the features of Apache Solr?
Answer: The capabilities of apache solr are:
Near actual-time indexing
Standards-based open interfaces like XML, JSON and HTTP
Flexible and adaptable, with XML configuration
Advanced full-text seek
Linearly scalable, car index replication, vehicle failover and recuperation
Comprehensive HTML management interfaces
Question: 5. What is Apache lucene?
Answer: Apache lucene is a full featured, High performance text seek engine library that’s written in java.
Question: 6. What is request handler?
Answer: When a consumer runs a seek in solr, the search query is processed by using a request handler. It is a solr plugin that defines the common sense for use whilst solr processes a request.
Question: 7. What is the gain of general query parser?
Answer: The gain of general question parser is that it is used to permit customers to specify very particular queries.
Question: 8. Explain Faceting?
Answer: It is the association of seek effects into classes based on listed terms.
Question: 9. What is using discipline kind?
Answer: Field type defines how solr must interpret records in a subject and the way the field can be queried.
Question: 10. Which information is blanketed in filed kind?
Answer: A area kind consists of 4 forms of statistics:
The name of field kind
Field attributes
An implementation class name
If the sphere type is TextField , a description of the sector evaluation for the field type.
Question: 11. Define Dynamic Field?
Answer: It is used to allow solr to index fields which you did no longer explicitly define within the schema.
Question: 12. What is analyzer?
Answer: An Analyzer is used to look at text of fields and generates a token movement.
Question: 13. What is the usage of tokenizer?
Answer: It is used to break up a movement of textual content into tokens, wherein every token is a sub series of characters in the textual content.
Question: 14. What is phonetic filter?
Answer: This filter out is used to create tokens the use of one of the phonetic encoding algorithms inside the org.Apache.Commons.Codec.Language bundle.
Question: 15. What is SolrCloud?
Answer: Apache solr consists of the capacity to installation a cluster of solr servers that combines fault tolerance excessive availability referred to as SolrCloud.
HubSpot Video
Question: 16. What is copying area?
Answer: It is used to explain a way to populate fields with information copied from some other subject.
Question: 17. What is Highlighting?
Answer: It is used to provide the special data approximately Solr’s highlighting utilities.
Question: 18. Give the name of different varieties of highlighters?
Answer: There are 3 highlighters:
FastVector Highlighter
Standard Highlighter
Postings Highlighter
Question: 19. What is the usage of stats.Discipline?
Answer: It is used to generate statistics over the effects of arbitrary numeric functions.
Question: 20. To see a way to use the bin/solr script which command is used?
Answer: Execute $ bin/solr –helpto see the way to use the bin/solr script.
Question: 21.Which syntax is used to prevent solr?
Answer: $ bin/solr forestall -p 8983 is used to prevent solr.
Question: 22. Which command is used to start solr in foreground?
Answer: $ bin/solr begin –f is used to begin solr in foreground.
Question: 23. To Check if Solr is running which syntax is used?
Answer: $ bin/solr popularity is used to test solr strolling status.
Question: 24. To begin the server which syntax is used?
Answer: $ bin/solr start is used to begin the server.
Question: 25. How to shut down apache solr?
Answer: To shut down Solr from the terminal where you released Solr,then click on Ctrl+C.
Question: 26. What information is particular with the aid of Schema?
Answer: Schema proclaims:
How to index and seek every area
What forms of fields there are
Which fields are required
Which discipline have to be used because the precise/primary key
Question: 27. Give the call of fundamental Field types in Solr?
Answer: Basic subject type in solr is:
date
lengthy
double
textual content
float
Question: 28. How to install solr?
Answer: It has 3 steps:
Server-associated documents, e.G. Tomcat or start.Jar (Jetty)
Solr webapp as a .Conflict
Solr Home which contains the records directory and configuration documents.
Question: 29. What are the critical configuration files of solr?
Answer: There are 2 maximum important configuration files of solr:
solrconfig.Xml
schema.Xml
Question: 30. What are the most not unusual factors in solrconfig.Xml?
Answer: The maximum not unusual elements in solrconfig.Xml are:
Search additives
Cache parameters
Data listing area
Request handlers