Re: swap_pager: cannot allocate bio

From: Chris Ross <cross+freebsd_at_distal.com>
Date: Sat, 01 Jan 2022 02:08:48 UTC

> On Nov 25, 2021, at 00:18, Chris Ross <cross+freebsd@distal.com> wrote:
>>> On Nov 20, 2021, at 13:23, Mark Johnston <markj@freebsd.org <mailto:markj@freebsd.org>> wrote:
>>> 
>>> Here is a patch which tries to address the proximate cause of the
>>> problem.  

> 
> The system is still cooking along, running the job that previously was
> causing it to get stuck after 48ish hours.  It’s been running more than
> 80 hours now, so a definite improvement.
> 
> zfs-stats reports things as stable, 80% cache hit ratio, 64GB max arc,
> ~85% of that currently as “adaptive target”.  If there’s anything you
> would like to get from the system, data-wise, let me know.  Happy to
> share, and help get this fix, or a different better fix if needed, into the
> tree.

Hello all.  Just was curious if anyone had a different solution for the
problem I was seeing, or if not, if the patch from Mark that I manually
applied can be integrated to the tree for current, and MFR’d to 13.

Thank you.  Please update me as to the current status of this issue,
so I don’t update and lose functionality at some later point.  :-)

                 - Chris