18 Jul
2022
18 Jul
'22
11:48 a.m.
On Mon, Jul 18, 2022 at 6:44 AM Petr Lautrbach plautrba@redhat.com wrote:
Dan Čermák dan.cermak@cgc-instruments.de writes:
Just out of curiosity, how large is the speedup typically?
It depends on the number of threads your machine has. But you could get some data for comparison using `fixfiles -T 1 restore` and `fixfiles -T 0 restore` on a running system. The following times are reported on my workstation:
Has anyone run such a test on a system using classic ("spinning rust") HDDs? It is sometimes the case that parallelizing activities that are I/O intensive can result in excessive seek activity that can result in rather elongated elapsed times (much worse than single threaded operation).