Tag Archives: opensource

Introducing Kafka Streams: Processing made easy


If you are working on huge amount of data, you might have heard about Kafka. At a very high level, Kafka is a fault tolerant, distributed publish-subscribe messaging system that is designed for fast processing of data and the ability … Continue reading

Posted in Java, big data, Streaming | Tagged , , , | 1 Comment

Installing and Running Presto


Hi Folks ! In my previous blog, I had talked about Getting Introduced with Presto. In today’s blog, I shall be talking about setting up(installing) and running presto. The basic pre-requisites for setting up Presto are: Linux or Mac OS … Continue reading

Posted in big data, database, Scala | Tagged , , , , | Leave a comment

Jmeter Load Testing:Send and Receive Email


Email notification, send email and retrieve email is a important part of any company or organisation so if you have your email server and want to know the email performance of email server then we can use the jmeter. Beauty … Continue reading

Posted in Scala, JMeter | Tagged , , , , , , , , | 2 Comments

Scala Trait and Mixin – Points to Remember


Trait can be viewed not only as interfaces in other languages, but also as classes with only parameterless constructor. Whenever there is some code in trait, the trait is called mixin. trait Alarm { def trigger(): String } In scala … Continue reading

Posted in Best Practices, Functional Programming, Scala | Tagged , , , , , , , , , , , , , | Leave a comment

Knolx – Akka Finite State Machine


Hi all, Knoldus has organized a 30 min session on 17th February 2017 at 4:05 PM. The topic was Akka Finite State Machine. Many people have joined and enjoyed the session. I am going to share the slides and Video here. … Continue reading

Posted in Scala, Akka | Tagged , , , , , , , , | Leave a comment

Short Interview With SMACK Tech Stack !!!


Hello guy’s, today’s we conduct short interview with SMACK about its architecture and there uses. Let’s start with of some introduction. Interviewer: How would you describe your self ? SMACK: I am SMACK (Spark, Mesos, Akka, Cassandra and Kafka) and … Continue reading

Posted in Akka, Apache Kafka, apache spark, big data, Cassandra, Scala, Spark | Tagged , , , , , , , , , , , , | Leave a comment

Jmeter-Handle Hyperlink in jmeter


We already know how to Jmeter works but some time we face the problem how to use Regular expression.So this time i just explained how to handle hyperlink in a webpage using regular expression. Suppose we have a scenarios like … Continue reading

Posted in JMeter, Scala | Tagged , , , , , , | 2 Comments

Cassandra Data Modeling – Primary , Clustering , Partition , Compound Keys


In this post we are going to discuss more about different keys available in Cassandra . Primary key concept in Cassandra is different from Relational databases. Therefore it is worth spending time to understand this concept. Lets take an example … Continue reading

Posted in Best Practices, big data, Cassandra, database, NoSql, Scala | Tagged , , , , , , | 4 Comments

Spark – LDA : A Complete example of clustering algorithm for topic discovery.


In this blog we will be demonstrating the functionality of applying the full ML pipeline over a set of documents which in this case we are using 10 books from the internet. So lets start with first thing first.. What … Continue reading

Posted in apache spark, Scala, Spark | Tagged , , , , , , , , , , , , , , , , , , , , , , | 7 Comments

Kick-Off Java 9 (Project Jigsaw) Part – I


Now a day’s monolithic applications comes into micro batches. Every micro batch independent from each others and deploy. Now the Java will come in this flavor using project Jigsaw Java 9 comes with great feature called “Jigsaw“, which modularize monolithic … Continue reading

Posted in Java, Scala | Tagged , , , , , , , | 2 Comments