Re: How to limit amount of virtual memory used for files (was: Re: Tuning ZFS memory usage on NetBSD - call for advice)

[RVP <rvp%SDF.ORG@localhost>]

On Tue, 20 Sep 2022, Matthias Petermann wrote:

> I think I had answered this earlier (but I'm not quite sure) - the problem 
> only occurs when I write the data obtained with "zfs send" to a local file 
> system (e.g. the USB HDD). If I send the data to a remote system with netcat 
> instead, the "file usage" remains within the green range.
>
> [...]
>
> This raises the question for me: can I somehow limit this kind of memory use 
> on a process basis?

Try piping to dd with direct I/O:

... | dd bs=10m oflag=direct of=foo.file

Does that help?

-RVP