Re: Trimming priority:standard
Le Tue, Sep 23, 2014 at 07:22:11PM +0200, Marco d'Itri a écrit :
> On Sep 23, Ralf Jung <post@ralfj.de> wrote:
>
> > I've seen multiple machines, including older machines of myself, to be
> > under full disk load for at least several minutes due to (some form of)
> > locate - every time the cronjob runs. The slowdown was noticeable,
> This is hard to believe, since the cron job uses ionice -c3.
Hi Marco and everybody,
I had a similar experience with ‘tracker’, GNOME's equivalent of locate, which
also runs under ionice. Unfortunately I can not recall if during the years I
used the systems where the slowdown was noticeable I had changed something
relevant in the configuration of the hard drive (like running a hdparm command)
or if it was pristine. The common thing between these machines was a loud and
slow hard drive: I never had this problem with a SSD (but again, on SSD I run
more recently installed systems where I am sure that I never used hdparm).
Anyway, the point I want to make is that we should trust Ralf when he reports
that full disk load slows his machine despite cron jobs using ionice, although
this is probably a corner case.
Have a nice day,
--
Charles Plessy
Tsurumi, Kanagawa, Japan
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