performance

What is Virtualization? Virtualization is the means by which we create a virtual counterpart of an actual item, by software or hardware & software. The virtualized item could be another hardware, operating system (OS), storage device or network. As defined above we have,Hardware virtualization for virtualizing any hardware device. Mostly this refers to PC.Desktop virtualizing isfor desktop, […]

What is multiple-column index? MySQL or many RDBMS supports multiple-column indexes. i.e. The index key will be more than 1 column in the table. For example, consider a table consolidated CREATE TABLE `consolidated` ( `consolidated_id` int(11) NOT NULL AUTO_INCREMENT, `pub_id` int(11) DEFAULT NULL, `cp_id` int(11) DEFAULT NULL, `ro_id` int(11) DEFAULT NULL, `country_id` int(11) DEFAULT NULL, […]

What is performance testing? Type: Non-Functional testing What is tested?: System’s behaviour under extreme conditions Objective: 3 S’s — Speed, Scalability, Stability Image src: https://www.multidots.com/services/performance-testing/ How it is done? It is typically done with some variations on the load (no.of concurrent users hitting system under test). Each of them have a defined objective. Load Testing: Check for bottlenecks […]