Event Lab

Kafka Load Simulator

Disconnected
Live demo · capped at 200 EPS

Stress-test a Kafka pipeline in real time.

Event Lab pushes synthetic load through a Redpanda broker, lets you adjust throughput on the fly, and shows producer rate and per-partition consumer lag as it happens. Drag the slider, watch the chart react.

View on GitHubNext.js · Express · Redpanda · Fly.io · Vercel

Control Panel

Adjust event throughput in real-time

0
0100200

Capped at 200 EPS so this public demo doesn't run up Kafka bills. Run it locally with no limit.

Current Active EPS
0

Target EPS

0

events per second

Actual EPS

0

events per second

Throughput Over Time

Live throughput data (last 2 minutes)

Waiting for data...

Consumer Lag

TopicPartitionLag
No consumer lag data available.

Total Backlog

0

messages waiting across 0 partitions