Author: S K S

Apache Spark is a lightning-fast cluster computing designed for fast computation. It was built on top of Hadoop MapReduce and it extends the MapReduce model to efficiently use more types…

Faceting in Apache Solr refers to the classification of the search results into various categories. In this chapter, we will discuss the types of faceting available in Apache Solr −…

In addition to storing data, Apache Solr also provides the facility of querying it back as and when required. Solr provides certain parameters using which we can query the data…

In this chapter, we will discuss how to retrieve data using Java Client API. Suppose we have a .csv document named sample.csv with the following content. 001,9848022337,Hyderabad,Rajiv,Reddy 002,9848022338,Kolkata,Siddarth,Battacharya 003,9848022339,Delhi,Rajesh,Khanna You can index…

In this chapter, we will discuss how to retrieve data using Java Client API. Suppose we have a .csv document named sample.csv with the following content. 001,9848022337,Hyderabad,Rajiv,Reddy 002,9848022338,Kolkata,Siddarth,Battacharya 003,9848022339,Delhi,Rajesh,Khanna You can index…

Updating the Document Using XML Following is the XML file used to update a field in the existing document. Save this in a file with the name update.xml. <add> <doc> <field…

In the previous chapter, we explained how to add data into Solr which is in JSON and .CSV file formats. In this chapter, we will demonstrate how to add data…

A Solr Core is a running instance of a Lucene index that contains all the Solr configuration files required to use it. We need to create a Solr Core to…