[Nix-dev] Will there be a systemd replacement at any time inthefuture?

[Lluís Batlle i Rossell]

On Tue, Sep 02, 2014 at 12:22:33PM +0200, Vladimír Čunát wrote:
> On 09/02/2014 07:30 AM, Michael Raskin wrote:
> >So all in all: it writes to a file in a way that ensures fragmentation,
> >then reads it randomly in small chunks, reads most of it, and ends up
> >way slower than just reading the entire file…
> 
> Could it be a bad interaction with COW of btrfs? I've also had
> problems with journalctl needing huge amount of time. I do have the
> autodefrag option.

I set systemd log files to nocow. Yet the reading of the journal does so many
seeks, that it's slow everywhere unless the journal is cached. I guess that
spinning disks are unsupported. :)