Stalled jobs in the queue
https://datasets-preview.huggingface.tech/queue is returning:

```
{"waiting":48,"started":6,"done":2211,"created_at":"2021-10-27T07:40:33Z"}
```

But there are only 3 workers in production, so the max acceptable number of `started` jobs should be 3.

Stalled jobs in the queue: https://datasets-preview.huggingface.tech/queue is returning:

```
{"waiting":48,"started":6,"done":2211,"created_at":"2021-10-27T07:40:33Z"}
```

But there are only 3 workers in production, so the max acceptable number of `started` jobs should be 3.
