Re: Frequent disk I/O stalls while building (poudriere), processes in "zfs tear" state

2021-04-16 Thread Felix Palmen
* Dewayne Geraghty [20210416 06:26]: > On 16/04/2021 2:29 am, Felix Palmen wrote: > > Right now, I'm running a test with idprio 0 instead, which still seems > > to have the desired effect, and so far, I didn't have any of these > > stalls. If this persists, the problem is solved for me! > > > >

Re: Frequent disk I/O stalls while building (poudriere), processes in "zfs tear" state

2021-04-15 Thread Dewayne Geraghty
On 16/04/2021 2:29 am, Felix Palmen wrote: > After more experimentation, I finally found what's causing these > problems for me on 13: > > * Felix Palmen [20210412 11:44]: >> * Poudriere running on idprio 22 with 8 parallel build jobs > > Running poudriere with normal priority works perfectly

Re: Frequent disk I/O stalls while building (poudriere), processes in "zfs tear" state

2021-04-15 Thread Felix Palmen
After more experimentation, I finally found what's causing these problems for me on 13: * Felix Palmen [20210412 11:44]: > * Poudriere running on idprio 22 with 8 parallel build jobs Running poudriere with normal priority works perfectly fine. Now, I've had poudriere running on idprio because

Frequent disk I/O stalls while building (poudriere), processes in "zfs tear" state

2021-04-12 Thread Felix Palmen
Hello all, since following the releng/13.0 branch, I experience stalled disk I/O quite often (ca. once per minute) while building packages with poudriere. What I can see in this case is the CPU going almost idle, and several processes shown in `top` in state "zfs te" (and procstat shows "zfs