Tag Archives: opensource

Scala Best Practices : Pure Functions

We grew up in a world of imperative programming that’s why we are more addictive to writing code in imperative style. Everything is mutable around us. Mutability is not that bad. But shared mutability is devil’s work. The moment we … Continue reading

Posted in Scala, Tutorial | Tagged , , , | 1 Comment

Cinnamon: Way For Monitoring & Metrics Generation for Akka ActorSystem

We are developing huge applications and deployed on multiple virtual machines and clusters. For monitoring applications, we need to enable logs into our application and analysis that logs with help of some tools like elastic stack. But !! what if … Continue reading

Posted in #telemetry, Akka, Metrics, Monitor, Scala | Tagged , , , , , , , , , , , , , | Leave a comment

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 big data, Java, 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

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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 JMeter, Scala | 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

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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