@pditommaso I'm playing with Singularity and I was wondering how NF handles things when the image files are on a network share and the NF pipeline uses a scratch. Is there some sort of image caching on the local node to minimise impact on the network/NAS?
After talking with the Singularity team, it seems that using a local image cache might or might not help depending on the image size and what % of the image is read. Also, files might stay in the page cache. The answer is very use-case specific.