UUID Use Case
UUID Worker ID
Workers pull jobs concurrently. A UUID worker ID lets the scheduler know who holds what without assigning numbers.
Concurrent-safeAttributablev4
Generated locally with the Web Crypto API — nothing leaves your browser.
What Is UUID Worker ID?
- A worker ID is stamped on every job it claims, every lock it holds, and every heartbeat it sends.
- A v4 UUID avoids coordination — two workers never pick the same id.
How to generate
- Assign a v4 UUID when the worker boots.
- Include it in job claims and locks.
- Use it to detect stale workers.
Use Cases
- Queue consumers.
- Cron runners.
- ML training workers.
Code Examples
JavaScript
const id = crypto.randomUUID();Python
import uuid
id = uuid.uuid4()Frequently Asked Questions
Worker ID in the database?
Yes — as the owner column on jobs/locks so you can reassign on failure.
Reuse across restarts?
Generate fresh each boot unless you need continuity of ownership.
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