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PQPulseQueue
Source
Live — real queue, real retries

A distributed job queue you can watch work.

Submit a simulated job below and watch it flow through a real durable queue (Upstash QStash) — queued, processed, and either completed or automatically retried with exponential backoff. Flip on Chaos Mode to force failures and watch jobs land in a genuine dead-letter queue, then replay them.

0

Queued

0

Processing

0

Succeeded

0

Retrying

0

Dead Letter

Submit a job

Pick a job type and publish it to the live queue. It's simulated work — no real emails, images, or webhooks — but the queueing, retries, and backoff are real.

No jobs yet — submit one to see it flow through the queue.

Chaos Mode

Injects random failures

Throughput

Last 15 minutes

0 succeeded0 failed

Dead Letter Queue

Jobs that exhausted every retry — QStash's real DLQ, not simulated.

Empty — nothing has permanently failed.