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# Karolina Queues
Below is the list of queues available on the Karolina cluster:
| Queue | Active project | Project resources | Nodes | Min ncpus | Priority | Authorization | Walltime (default/max) |
| ---------------- | -------------- | -------------------- | ------------------------------------------------------------- | --------- | -------- | ------------- | ----------------------- |
| **qcpu** | yes | > 0 | 756 nodes | 128 | 0 | no | 24 / 48h |
| **qcpu_biz** | yes | > 0 | 756 nodes | 128 | 0 | no | 24 / 48h |
| **qcpu_eurohpc** | yes | > 0 | 756 nodes | 128 | 0 | no | 24 / 48h |
| **qcpu_exp** | yes | none required | 756 nodes<br>max 2 nodes per user | 128 | 150 | no | 1 / 1h |
| **qcpu_free** | yes | < 150% of allocation | 756 nodes<br>max 4 nodes per job | 128 | -100 | no | 12 / 18h |
| **qcpu_long** | yes | > 0 | 200 nodes<br>max 20 nodes per job, only non-accelerated nodes allowed | 128 | 0 | no | 72 / 144h |
| **qcpu_preempt** | yes | > 0 | 756 nodes<br>max 4 nodes per job | 128 | -200 | no | 12 / 12h |
| **qgpu** | yes | > 0 | 72 nodes | 16 cpus<br>1 gpu | 0 | yes | 24 / 48h |
| **qgpu_biz** | yes | > 0 | 70 nodes | 128 | 0 | yes | 24 / 48h |
| **qgpu_eurohpc** | yes | > 0 | 70 nodes | 128 | 0 | yes | 24 / 48h |
Vaclav Hapla
committed
| **qgpu_exp** | yes | none required | 4 nodes<br>max 1 node per job | 16 cpus<br>1 gpu| 150| no | 1 / 1h |
| **qgpu_free** | yes | < 150% of allocation | 46 nodes<br>max 2 nodes per job | 16 cpus<br>1 gpu|-100| no | 12 / 18h |
| **qgpu_preempt** | yes | > 0 | 72 nodes<br>max 2 nodes per job | 16 cpus<br>1 gpu|-200| no | 12 / 12h |
| **qviz** | yes | none required | 2 nodes (with NVIDIA® Quadro RTX™ 6000) | 8 | 0 | no | 1 / 8h |
| **qfat** | yes | > 0 | 1 (sdf1) | 24 | 0 | yes | 24 / 48h |
Vaclav Hapla
committed
### Legacy Queues
| Queue | Active project | Project resources | Nodes | Min ncpus | Priority | Authorization | Walltime (default/max) |
| ---------------- | -------------- | -------------------- | ------------------------------------------------------------- | --------- | -------- | ------------- | ----------------------- |
| **qfree** | yes | < 150% of allocation | 756 nodes<br>max 4 nodes per job | 128 | -100 | no | 12 / 12h |
| **qexp** | no | none required | 756 nodes<br>max 2 nodes per job | 128 | 150 | no | 1 / 1h |
| **qprod** | yes | > 0 | 756 nodes | 128 | 0 | no | 24 / 48h |
| **qlong** | yes | > 0 | 200 nodes<br>max 20 nodes per job, only non-accelerated nodes allowed | 128 | 0 | no | 72 / 144h |
| **qnvidia** | yes | > 0 | 72 nodes | 128 | 0 | yes | 24 / 48h |