num precompile tasks

Author: carstenbauer

website/user_faq.md

@@ -112,4 +112,10 @@ path or set an environment variable accordingly.
 
 Try setting `JULIA_CUDA_MEMORY_POOL=none` (see the [CUDA.jl documentation](https://cuda.juliagpu.org/stable/usage/memory/#Memory-pool) for more information).
 
+[⤴ _**back to Content**_](#content)
+
+## Precompilation on a login node fails (`Resource temporarily unavailable`)
+
+By default, Julia uses many parallel tasks during precompilation. On the login nodes of some HPC clusters, parallel processes might be subject to resource restrictions. In these cases, you might want to set [`JULIA_NUM_PRECOMPILE_TASKS`](https://docs.julialang.org/en/v1/manual/environment-variables/#JULIA_NUM_PRECOMPILE_TASKS) to a low value, e.g. `export JULIA_NUM_PRECOMPILE_TASKS=1` (single task).
+
 [⤴ _**back to Content**_](#content)

website/user_gettingstarted.md

@@ -39,4 +39,4 @@ Often times these criterion are best fit on a parallel file system (often `$SCRA
 
 Note that if the last point (automatic deletion of unused files) is an issue for you, a pragmatic workaround could be a cronjob that touches all files in the Julia depot every once in a while.
 
-[⤴ _**back to Content**_](#content)
+[⤴ _**back to Content**_](#content)