Performance Engineering Interview Questions #1

Performance Engineering Interview Questions #1

Following are the Performance Engineering Interview Questions Set #1. Q. 1 What is Software Performance Engineering? Ans: Performance Engineering is a systematic way of following the best practices and applying techniques in all stages of the software development life cycle (SDLC) to ensure that the final product is fast, responsive, scalable and optimized appropriately. Read … Read more

AWR Report

AWR Report

In the heap dump and thread dump analysis topics, we have seen how the snapshot of memory and thread at a particular time describes the whole picture and helps to determine the performance bottleneck. In a similar fashion, the Automatic Workload Repository (also caller AWR) report provides information about the database bottleneck. Dump vs AWR: The difference between the … Read more

Thread Dump Analysis

How to conduct Thread Dump Analysis

There are several thread dump analysis tools are available to carry out the investigation on Threads and find out the root cause of the issue. Out of those, I found 2 thread dump analysers which are really good. Thread Dump Analysis Tools: To understand the thread dump analysis practically, we will use the ‘fastThread’ tool. We … Read more

Garbage Collection – Overview

A Garbage Collector is a Java program which tracked the referenced (live) objects and allowed them to keep in the heap memory whereas the memory of the unreferenced (dead) objects is reclaimed and reused for future object allocation. This method of reclaiming unused memory is known as Garbage Collection. In Garbage collection, neither the explicit deletion of … Read more

AWR Report Analysis Guide

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 and how to read and conclude the DB performance. Once you generate the report by following the steps provided in … Read more

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 about performance testing-related stuff instead of my boring Monday… Ok, so today I will share a good article which I … Read more