Mar Java Mit Java Blog

How to detect system clock skew in java

Here’s a simple Java code example to detect clock skew by comparing your system’s current time with the time from an NTP server. Java Code to Detect Clock Skew Using an NTP Server You’ll...

DNS resolution in depth

Let’s walk through the scenario where you bought a domain from GoDaddy, host your website content on host.com, and map your domain to the website content. 1. You Buy a Domain from GoDaddy 2....

Optimizing Solr Client Usage by Caching for Each Collection

Introduction When working with Apache Solr, especially in applications with multiple collections, it’s common to create a new Solr client instance for each connection. While this may seem straightforward, it can lead to performance...

Understanding Lua Scripts in Redis: Keys and Non-Key Values

Redis provides powerful scripting capabilities through Lua, enabling you to execute complex logic directly within the database. When working with Redis Cluster, it’s essential to understand how to properly pass keys and non-key values...

How To Solve OutOfMemoryError: Java Heap Space

Sample Program Generating ‘OutOfMemoryError: Java heap space’ To better understand java.lang.OutOfMemoryError: Java heap space, let’s try to simulate it. Let’s leverage BuggyApp,  a simple open-source chaos engineering project. BuggyApp can generate various sorts of performance problems...

Java Classloaders: A Deep Dive

Understanding the Basics Before delving into the complexities, let’s establish a foundation. Beyond the Basics Class Loader Lifecycle Custom Class Loaders