Spin Up An Apache Spark Cluster: Howto In 5 Minutes
This flash tip aims to provide the reader with the information required for spinning up an Apache Spark cluster
Indexing At Scale
This article describes a design of a mediation layer that implements a hybrid search API through GraphQL.
Spring Boot, GraphQL, TestContainers, PostgreSQL: Minimal Setup
How to quickly debug a custom Apache Solr component (e.g. request handler, query parser, filter) in your favourite IDE.
The example uses IntelliJ but it is valid for any IDE.
Indexing At Scale
This article describes a design of a mediation layer that implements a hybrid search API through GraphQL.
A GraphQL Mediator For Implementing A Hybrid Search API Layer
This article describes a design of a mediation layer that implements a hybrid search API through GraphQL.
GraphQL, REST: Take the Best of Both
Lessons learned, thoughts, about GraphQL and REST, the two most popular API paradigms
Spark SQL: Partitions and Sizes
Data fetching parallelisation in Apache Spark through Spark SQL / JDBC.
PartitionColumn, lowerBound, upperBound, numPartitions and a lot of other parameters: how do they work?
Apache Solr Atomic Updates: a Polymorphic Approach
In this post we describe an approach to solve the problem of an application that requires both Full and Atomic Updates, using one of the powerful concepts in Object Oriented Programming: Polymorphism.
Digging in the Solr code: 5 minutes howto
How to quickly debug a custom Apache Solr component (e.g. request handler, query parser, filter) in your favourite IDE.
The example uses IntelliJ but it is valid for any IDE.
Synonyms and Stopwords: Vademecum
A walkthrough around Synonyms and Stopwords usage scenarios.
Examples can be applied both to Apache Solr and Elasticsearch.