Category Archives: Scala

Getting Started with Apache Cassandra


Why Apache Cassandra? Apache Cassandra is a free, open source, distributed data storage system that differs sharply from relational database management systems. Cassandra has become so popular because of its outstanding technical features. It is durable, seamlessly scalable, and tuneably … Continue reading

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Message Broker in Lagom using Kafka


What is Lagom? Lagom framework helps in simplifying the development of microservices by providing an integrated development environment. This benefits one by allowing them to focus on solving business problems instead of wiring services together. Lagom exposes two APIs, Java and … Continue reading

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Tutorial 3:Monitor CPU Utilization with Dynatrace


This is last blog of this series in this we will read how to monitor CPU Utilization by Dynatrace. Why we always need  memory  analysis ? We need memory analysis is to optimize garbage collection (GC) in such a way … Continue reading

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Neo4j Apoc : A Blessing For Developer


Hello Folks, As we know about Neo4j, it pulls out developers life from the trouble and black & white screen of the databases. It doesn’t give freedom from the old databases also provides best support with it’s predefined procedures. As … Continue reading

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UnderStanding External Table In Hive


Usually when you create tables in hive using raw data in HDFS, it moves them to a different location – “/user/hive/warehouse”. If you created a simple table, it will be located inside the data warehouse. The following hive command creates … Continue reading

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Tutorial 2: How To Diagnose using Dynatrace (APM) Tool


In my Last blog, we went through the introduction of Dynatrace Digital Performance tool. In this subsequent blog, we will learn how to diagnose this tool. Once you open the Dynatrace client,  you will be landed to a dashboard page … Continue reading

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Getting Started with Apache Solr


Apache Solr is an open source search server. Apache Solr includes the full-text search engine called Apache Lucene. So basically Solr is an HTTP wrapper around an inverted Index provided by Lucene. The purpose of Inverted Index is to allow … Continue reading

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Tutorial 1: DYNATRACE -Application PERFORMANCE Monitoring (APM) TOOL


Hi Everyone, In This blog we will discuss about a performance tool  – Dynatrace which we are using now-a-days in Knoldus for Performance Testing and We would be running this blog as a series and we would be looking at various aspects … Continue reading

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Feedback App: For Sessions/ Meetup


Hello folks, hope you are doing cool, so lets start what is this “Feedback” app, earlier days i was wondering how companies, institutes and groups are taking feedbacks from attendees or users. Generally we at Knoldus and others (not all, … Continue reading

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Introduction to Nginx


Hi all, Knoldus organized a 30 min session on 3rd March 2017 at 4:50 PM. The topic was Introduction to Nginx. Session slides are shared in this blog post and you can post any questions related to the slides in the comment section below … Continue reading

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