[mythtv-users] Poor performance with ZFS (ZFS on Linux)

[Mike Holden]

On 31 May 2018 at 23:38, Will Dormann <wdormann at gmail.com> wrote:

> On 5/31/18 9:18 AM, Mike Holden wrote:
> >
> > Note that 16GB of ram is NOT a requirement on a ZFS server necessarily,
> > especially if you aren't using deduplication.
>
>
> No, it's not a *requirement*.   Just don't be surprised when your
> performance is slower than other filesystems.


If you aren't using dedup, then you can very easily get good performance
with much lower memory.

Some tips on mysql tuning on zfs here, as well as other nuggets:

http://open-zfs.org/wiki/Performance_tuning

and here:

https://wiki.freebsd.org/ZFSTuningGuide
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