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

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…

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…

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…

Sumanta pakira

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