Latest Posts

• Run flink application locally on ubuntu

  Jan 09, 2026

• Flink Kubernetes Operator

  Flink Kubernetes Operator

  Jan 04, 2026

• Kubernetes NodePort Service

  Kubernetes NodePort Service

  Jan 04, 2026

• Kubernetes ClusterIP Service

  Kubernetes ClusterIP Service

  Jan 04, 2026

• Kubernetes Deep Dive into its components.

  Jan 03, 2026

• Why Java NIO is more performant and what really makes it fast.

  Jan 01, 2026

• Performance Analysis in Java Applications: A Flink Deep Dive

  Performance Analysis in Java Applications: A Flink Deep Dive Recently, I’ve been working on a Flink Java application experiencing significant performance issues. This led me down a path of discovering the rich set of diagnostic tools available in the Java ecosystem for identifying and resolving backpressure and performance bottlenecks. The...

  Dec 30, 2025

• Non blocking ThreadExecutor Shutdown Api and Blocking awaitTermination Api.

  Non blocking ThreadExecutor Shutdown Api and Blocking awaitTermination Api. I was curious about the Executor.Shutdown method. I thought that this was a blocking method but its not. Its basically flips the switch of the executor to Shutting down. Pretty interesting and someone can easily make a mistake. Below it shows...

  Dec 29, 2025

• Apache Flink Custom Data Types for Performance.

  Apache Flink Custom Data Types for Performance. Flink provides a dedicated set of data types located primarily in the org.apache.flink.types package. These are designed to overcome the performance limitations of standard Java types (immutability and heavy serialization). Here are the main categories of types Flink provides for performance: 1. The...

  Dec 29, 2025

• Java Garbage Collection

  Java Garbage Collection Garbage collection and the wait times are the some of the most important metrics you need to track to see if you application is running with good performance. For tuning the application you need to watch of the GC Frequency/ GC Cycles GC Time / Time spent...

  Dec 29, 2025

• Java threads

  Java threads These are some important conversation details from my Gemini chat which are very critical to become a great developer. Here is the breakdown of the difference between a standard ThreadPool (like FixedThreadPool) and the ForkJoinPool. Think of them as two different types of Project Management styles. 1. The...

  Dec 26, 2025

• JConsole and process deep dive

  Nov 09, 2025

• Mastering Java

  Switching to Java: A Developer’s Learning Journey

  Nov 09, 2025

• Java Titbits

  Oct 19, 2025

• Jar files in Java

  Oct 18, 2025

• Deploying Apache Flink Applications in Kubernetes

  Deploying Apache Flink Applications in Kubernetes

  Oct 05, 2025

• find Linux Command

  find Command Some of the common patterns with the find command

  Oct 14, 2023

• tr and tar Linux Command

  tr command

  Oct 14, 2023

• SSH

  Key Less SSH logins , use the following commands to create a Public/Private Key and copy the public key to the SSH server.

  Oct 14, 2023

• My favourite Visual Studio Shortcuts

  I am listing of the visual studio useful shortcuts that I use frequently.

  Oct 14, 2023

• Background Thread Upgrade

  Lot of times in day to day development we need to do some background processing task, for example reading some file and updating the list. For this it makes sense to use a dedicated thread to do the processing. We could have also used a Timer for such processing.

  Oct 13, 2023

• Protocol Buffer

  Oct 12, 2023

• Diagnosis of High CPU issues in production

  Oct 07, 2023

• Environment Variables

  Today going to list some simple commands which should be in every developers toolkit. These are things that you will need to do quite often in your daily job and its best to incorporate these in your muscle memory.

  Oct 07, 2023

• MetaProgramming (aka) CodeGeneration

  Jul 14, 2023

• RocksDb

  Jun 21, 2023

• Http Async Server

  HttpListener provides the functionality to host bare bore Http Service in apps for interprocess communication. In Microservice architecture it is sometimes required that you have to host some service in your application, for this scenario it is critical to create lightweight Http Service.

  Feb 26, 2023

• Bash Shortcuts

  Some bash shortcuts I use.

  Feb 26, 2023

• Code Analysis Rules to watch out for while coding

  Recently I had to fix a bunch of Code Analysis warning in the code base. I started to wonder these are some of the common mistakes in the code that are made and would be just better to keep in mind before we start coding.

  Feb 25, 2023

• MSBuild's cool feature - Directory.Build.props and Directory.Build.targets

  Recently I had to work on enabling the Code Analysis on a project we recently started. We should have ideally done it from the very start but better late than never.

  Feb 25, 2023

• Ubuntu Wireless Card

  I installed ubuntu on my MacBook Air a while ago and I was running into wireless connection issues. At that time when I did some digging around and found that lot of people were facing the issue with getting the wireless card setup correctly. So without much thought I came...

  Jan 29, 2023

• Fun with Python and Azure Devops

  Recently at work we were running into an issue with Azure DevOps build. Azure Devops by default allows 10GB of space for running the build pipelines, however due to some issue we were constantly going over the 10GB limit and our builds were failing quite often.

  Jan 28, 2023

• Framework Development Guidelines

  These days at work I have been involved in developing a framework for application development. The main purpose of this framework is

  Jan 22, 2023

• One of the use cases of docker

  Docker is a great tool for deployment and sharing software. I use github pages for my blog and I find it pretty useful since it doesnt come in my way of writing. Authoring the markdown files is all that is needed for pushing a new blog entry.

  Dec 31, 2021

• Python Decorators

  Decorators are used extensively in Python and various frameworks like Flask/Django or Logging modules etc

  Dec 26, 2021

• Python String Formatting and Printing

  Python has a very easy and nice way of printing text any stream like Stdout/file stream etc. You can easily create some quick nice tabular output and push to file.

  Dec 26, 2021

• Python Notebook Tips and Tricks

  Jupyter notebook is a great tool to show/share your work. The tool also provides some ways to easily execute and take some actions on the results obtained. I didnt know about SList before and found it to be very useful to do some quick manipulations on the StdOut and StdError....

  Dec 26, 2021

• Tmux

  Tmux is a terminal multiplexer and I use it in my day to day activities. I have installed the Oh-My-Tmux. This gives some great benefits. Oh-My-Tmux maps the CTRL+A as the trigger key. Default is CTRL+B.

  Dec 25, 2021

• Docker Command Catalog

  Oct 18, 2020

• Linux Command Catalog

  I am writing this blog to help me rememeber the linux commands I use. At home I switched to using my Ubuntu Machine as my main machine. I love my Lenovo T430 which I bought from ebay at a cheap price. Ubuntu works nicely on it. Lot of time on...

  Jun 06, 2019

• .Net Core on Linux

  I personally believe that .Net Core is the future of .Net. Learning .Net Core is imperative and very useful for the future. I am playing around with .Net core and want to write some of my findings on linux. Creating .net core apps is so easy from the command line...

  May 07, 2019

• Programmatic Personalized Notification Design

  Below is the design of Personalized Notification Feature that I am working on in my free time. This design heavily leverages the ChangeFeed feature provided by the Azure CosmosDb and it nicely fits in how notifications can be sent in a programmatic manner.

  Mar 09, 2019

• Signalling Thread using ManualResetEvent

  ManualResetEvent and AutoReset Event are some of the most important classes provided by the .Net Framework. These are used for the purpose of singalling threads (start/stop) etc and having a detailed knowledge of the these classes are very important for every developer.

  Mar 02, 2019

• Great Quotes

  Mar 02, 2019

• Welcome to My Blog

  Welcome to my blog. In my blog I will be mostly writing about my technical learning/projects I do in my personal time. This site is more of a source of reference for me. In the process if it helps others, thats a great benefit.

  Nov 24, 2018