Load Balancer Crash Simulator

Drag nodes, trace HA failover, and manage traffic overloads.

t = 0.0s

Speed Seed

Preset Scenarios

Client traffic 180 rps

Sticky sessions 20%

Routing algorithm

Fail open

Backend count 4

Capacity per backend 90 rps

Queue limit 180 req

Health interval 5s

Unhealthy threshold 2 fails

Healthy threshold 2 passes

LB failover delay 4s

Client/DNS cache TTL 12s

healthy congested/recovering failed/overloaded traffic

Success rate

100%

P95 latency

42ms

Error rate

0 rps

Goodput

180 rps

Healthy targets

4/4

Queued requests

Pinned sticky

36 rps

Redistributable

144 rps

Entity	State	Load

Tip

Click a load balancer or backend to pin details here.

Interaction

Drag any node to reposition it on the canvas.