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Sumanta pakira
Sumanta pakira

3 Followers

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Dec 30, 2022

Distributed Job Scheduler

Learn how to build an asynchronous distributed Job Scheduler that handles around 50k requests per day. This architecture is built using four components- Springboot app which sends the request for scheduling SQS (Simple Queue Service) which is responsible for queueing the initial load Dynamo DB for storing the job scheduling information Kubernetes for managing the PODs responsible for scheduling the jobs

System Design Project

1 min read

Distributed Job Scheduler
Distributed Job Scheduler
System Design Project

1 min read


Sep 3, 2021

JVM Classloader leak

Recently I was analyzing the heap dumps and learnt about how classloader leak occurs. Let's see this code example to understand how classloader leaks possible Main.java ----------------------------------------- public class Main { public static void main(String...args) throws Exception { List<Object> list = new ArrayList<>(); loadClass(list); while (true) { System.gc(); Thread.sleep(1000); } …

JVM

1 min read

JVM

1 min read


Aug 4, 2021

JVM OutOfMemory — Meta Space

I think as a programmer at least one time in your carrier you have come across the OutofMemory issue. In this tutorial, I will explain to you my experience with Heap dump analysis and what you have to check while doing heap dump analysis. In this tutorial, I will focus…

Oom

3 min read

JVM OutOfMemory — Meta Space
JVM OutOfMemory — Meta Space
Oom

3 min read


Aug 2, 2021

Cache Query parameter in AWS Cloudfront — Part 1

There are 3 options in order to leverage Cloud-Front caching based on query parameters: None(Improve caching) Forward All, Cache based on all Forward All, Cache based on whitelist Let's see the advantage and disadvantages of each option None(Improve caching): When we select this option then the Cloud-Front does not forward…

Cloudfront

4 min read

Cache Query parameter in AWS Cloudfront — Part 1
Cache Query parameter in AWS Cloudfront — Part 1
Cloudfront

4 min read


Aug 2, 2021

How CDN caching works

Let's first understand how caching works behind the scene, lets consider you open your browser at 9:00 AM Note: We should either use Cache-Control or Expire header. We do not need both at the same time. All modern CDN providers use the Cache-Control header as primary, so in our case…

Caching

3 min read

How CDN caching works
How CDN caching works
Caching

3 min read


Dec 7, 2020

AEM Field based inheritance

AEM Field based inheritance https://github.com/sumantapakira/touch-ui-field-based-inheritance

Aem

1 min read

Aem

1 min read

Sumanta pakira

Sumanta pakira

3 Followers

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