Garbage Collection – Overview
When developers write Java programs, their code often creates many objects. These objects are stored in a special area of memory called the heap. But what happens to the memory when we no longer need…
AWR Report Analysis Guide
AWR or Automated Workload Repository report provides detailed information about the database to conduct the analysis of the performance of Oracle Database. This article will help you to get knowledge on important AWR report sections…
Agent-based Vs Agent-less Monitoring Tool
Before discussing the difference between agent-based and agent-less monitoring tools, let’s try to understand what is an agent. What is an agent? An agent is a proprietary software application installed on the server whose performance needs…
What are the factors that affect application/system performance?
Ohhhh… Again a lazy Monday! Not sure what does impact my performance each Monday morning? Lazy morning, office work, and surrounding weather all hit me simultaneously. Oops, what I am discussing here. I should talk…
Physical CPU and Logical CPU
To understand the difference between Physical and Logical CPU (core), you need to run the command lscpu on your Linux machine and you will get a result like this: Now, we will focus only on some important…
Performance Metrics of Tiers
The previous post explained the software architecture and its types. Since each tier has different roles and operations hence the performance matrices are also different. Below is a list of certain mandatory performance metrics for each of the…