I see the slow cache problem as universal. On a single-machine gitlab runner instance the upload to _local_ cache seems to take ages, double digit number of seconds for 100 MB archive.
GitLab drives me insane with this. My runner is on a 5 year old alienware desktop with an nvme ssd and all the trimmings but loading an uncompressed cache from the same local disk takes ten goddamn minutes. No matter what, all of my jobs take five to ten minutes just to start up.
