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Free Tool · IT Infrastructure

Peak Exam Portal Load Stress Simulator

Estimate server scaling requirements when thousands of students open exam portals simultaneously — model peak RPS, infrastructure needs, and scaling recommendations.

Runs entirely in your browser · No login · Estimates only — actual testing requires load testing tools

Exam Session Parameters
Current Infrastructure

Configure exam parameters and click Run Load Simulation.

How to Simulate Exam Portal Load in 3 Steps

Follow these steps to get results in under a minute

01
Set exam session parameters
Enter the total student count, the percentage expected to log in during the first 5-minute burst window, requests per student at login, ongoing request rate during the exam, and average response payload size.
02
Define current infrastructure
Enter the number of web servers, the maximum requests-per-second each can handle, and available bandwidth. The simulator compares peak demand against this capacity to identify if your current setup is sufficient.
03
Run the simulation and review requirements
Click Run Load Simulation to see peak RPS, bandwidth demand, and whether your infrastructure can handle the burst. The load profile chart shows how demand changes from login burst through steady exam period.

How Exam Load Simulator Compares

vs spreadsheets, manual processes, and paid platforms

Feature UniCloud360 Exam Load Simulator Gut EstimateVendor Sizing GuidePaid Load Testing Tool
Burst vs steady load model Both phases Rough multiplier ⚠️ Generic sizing table Full simulation
Bandwidth demand calculation RPS × payload size Not calculated ⚠️ Estimate only Yes
Infrastructure gap analysis Capacity vs demand Not compared ⚠️ Vendor-biased ⚠️ Post-test report
Scaling recommendation Server count needed No No ⚠️ No planning guide
Visual load profile chart Burst→steady→end No No ⚠️ Post-test graph
Cost Free forever ⚠️ Guesswork ⚠️ Biased estimate Paid tool

What IT Teams Are Saying

Trusted by lecturers and students across Sri Lankan universities

4.9
★★★★★
4 reviews
CJ
Dr. Chaminda Jayawardena
IT Director
★★★★★

"Last semester's exam portal collapsed 3 minutes after the exam started. I ran our numbers through this tool and it showed we needed 6 servers, not 2. We scaled up before the next exam — no outage. The burst percentage calculation was the insight we'd been missing."

DF
Dilhara Fernando
Systems Administrator
★★★★★

"The bandwidth demand figure was surprising — at 150KB responses and 3,000 students bursting simultaneously, we were demanding 540Mbps at peak. Our server only had 100Mbps connectivity. The tool identified an infrastructure bottleneck we hadn't considered."

NS
Nimali Senanayake
Infrastructure Manager
★★★★★

"We use this before every major examination period. It takes 2 minutes to configure and gives us a clear picture of whether we need to spin up additional cloud instances. The scaling recommendation is what I show to management to justify the extra cost."

KR
Kasun Rathnayake
Network Operations
★★★★☆

"The load profile chart is the most useful output for presenting to non-technical stakeholders. Showing that load spikes at login and then drops to a manageable steady state helps explain why we need burst capacity rather than permanent over-provisioning."