Re: Stopping and restarting poudriere
- In reply to: Mark Millard via freebsd-ports : "Re: Stopping and restarting poudriere"
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Date: Tue, 08 Jun 2021 18:05:51 UTC
On 2021-Jun-8, at 10:54, Mark Millard <marklmi at yahoo.com> wrote: > > bob prohaska <fbsd_at_www.zefox.net> wrote on > Date: Tue, 8 Jun 2021 07:56:24 -0700 : > >> Is it possible to restart a poudriere build session so it picks up >> where it left off? >> >> I mistakenly hit a control-c in the controlling terminal of a long >> build and would like to restart it with minimum lost work. > > Packages that had already built and been put in the .building > temporary repository that it uses will not be rebuilt if I > remember right: the ones from that repository will be reused > at the next bulk (re)run. (Presumes same options in use, for > example.) > > But the ports that had running jails will be rebuilt from the > start, not from an intermediate state. > >> More generally, can a poudriere session be gracefully stopped, >> say for maintenance work or to run a more urgent job, and then >> restarted without loss of intermediate work? > > I've never tried a ^Z (to cause Suspended). My guess is that > it would be disabled. If it was enabled, I doubt it would > be propagated to the running jails. (Similar issue for a > later fg.) Suspending and resuming a bunch of jails (that > are not independent overall) in a coherent manor would > likely be far from trivial. (Really kill -s STOP pid . . . > and kill -s CONT pid . . . use implicitly.) > > I also have never tried using nice or renice with poudriere. > But this would seem more likely to work usefully, at least > nice. (But nice does not do as much as you indicate that > you want: the activity would just be at a lower priority > for scheduling.) Another thing that I've never tried: using cpuset to set up a context that could later (temporarily or permanently) limit which CPUs the poudriere bulk's processes/threads run on. === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)