Update karolina-slurm.md

docs.it4i/general/karolina-slurm.md

@@ -60,6 +60,10 @@ There is no need to specify the number of cores and memory size.
 
 ## Using GPU Queues
 
+!!! important "Nodes per job limit"
+    Because we are still in the process of fine-tuning and setting optimal parameters for SLURM,
+    we have temporarily limited the maximum number of nodes per job on `qgpu` and `qgpu_biz` to **16**.
+
 Access [GPU accelerated nodes][5].
 Every GPU accelerated node is divided into eight parts, each part contains one GPU, 16 CPU cores and corresponding memory.
 By default, only one part, i.e. 1/8 of the node - one GPU and corresponding CPU cores and memory, is allocated.