Re: How can kill(-1, 0) return EPERM?

2019-12-01 Thread Konstantin Belousov
On Sun, Dec 01, 2019 at 03:24:11AM +0300, Dmitry Marakasov wrote: > * Konstantin Belousov (kostik...@gmail.com) wrote: > > > > > I'm helping to investigate some userspace issue [1], where kill(-1, > > > > SIGKILL) > > > > fails with EPERM. I've managed to isolate this case in a small program: > >

Re: How can kill(-1, 0) return EPERM?

2019-12-01 Thread Dmitry Marakasov
* Konstantin Belousov (kostik...@gmail.com) wrote: > > > > > I'm helping to investigate some userspace issue [1], where kill(-1, > > > > > SIGKILL) > > > > > fails with EPERM. I've managed to isolate this case in a small > > > > > program: > > > > > > > > > > > > > > > ``` > > > > > #include

Re: How can kill(-1, 0) return EPERM?

2019-12-01 Thread Konstantin Belousov
On Mon, Dec 02, 2019 at 02:11:14AM +0300, Dmitry Marakasov wrote: > * Konstantin Belousov (kostik...@gmail.com) wrote: > > > > > > > I'm helping to investigate some userspace issue [1], where kill(-1, > > > > > > SIGKILL) > > > > > > fails with EPERM. I've managed to isolate this case in a small

Re: Slow zfs destroy

2019-12-01 Thread Eugene Grosbein
30.11.2019 0:57, Scott Bennett wrote: > On Thu, 28 Nov 2019 23:18:37 +0700 Eugene Grosbein > wrote: > >> 28.11.2019 20:34, Steven Hartland wrote: >> >>> It may well depend on the extent of the deletes occurring. >>> >>> Have you tried disabling TRIM to see if it eliminates the delay? >> >>