ZFS (ARC) performance regression in r321610

[Lev Serebryakov]

On 27.08.2018 16:47, Yamagi Burmeister wrote:

> With this program I was able to bisect the source and identify commit
> r321610 (MFV r318946: 8021 ARC buf data scatter-ization) as the culprit:
> https://svnweb.freebsd.org/base?view=revision&revision=321610
 You could try to set "zfs_abd_scatter_enabled = 0" via kgdb and repeat
tests to be sure, that this code is a problem.

 BTW, it is not clear, that FreeBSD needs this at all.

-- 
// Lev Serebryakov