On 19/03/21 10:33, Stefan Hajnoczi wrote:
On Thu, Mar 18, 2021 at 09:30:41PM +0100, Paolo Bonzini wrote:
On 18/03/21 20:46, Stefan Hajnoczi wrote:
The QEMU Project has 50,000 minutes of GitLab CI quota. Let's enable
GitLab Merge Requests so that anyone can submit a merge request and get
CI coverage.
Each merge request consumes about 2500. That won't last long.
Yikes, that is 41 hours per CI run. I wonder if GitLab's CI minutes are
on slow machines or if we'll hit the same issue with dedicated runners.
It seems like CI optimization will be necessary...
Shared runners are 1 vCPU, so it's really 41 CPU hours per CI run.
That's a lot but not unheard of.
Almost every 2-socket server these days will have at least 50 CPUs; with
some optimization we probably can get it down to half an hour of real
time, on a single server running 3-4 runners with 16 vCPUs.
Paolo
