[Gluster-users] Gluter 3.12.12: performance during heal and in general

[Pranith Kumar Karampuri]

On Fri, Jul 27, 2018 at 12:36 PM, Hu Bert <revirii at googlemail.com> wrote:

> 2018-07-27 8:52 GMT+02:00 Pranith Kumar Karampuri <pkarampu at redhat.com>:
> >
> >
> > On Fri, Jul 27, 2018 at 11:53 AM, Hu Bert <revirii at googlemail.com>
> wrote:
> >>
> >> > Do you already have all the 190000 directories already created? If not
> >> > could you find out which of the paths need it and do a stat directly
> instead
> >> > of find?
> >>
> >> Quite probable not all of them have been created (but counting how
> >> much would take very long...). Hm, maybe running stat in a double loop
> >> (thx to our directory structure) would help. Something like this (may
> >> be not 100% correct):
> >>
> >> for a in ${100..999}; do
> >>     for b in ${100..999}; do
> >>         stat /$a/$b/
> >>     done
> >> done
> >>
> >> Should run stat on all directories. I think i'll give this a try.
> >
> >
> > Just to prevent these served from a cache, it is probably better to do
> this
> > from a fresh mount?
> >
> > --
> > Pranith
>
> Good idea. I'll install glusterfs client on a little used machine, so
> there should be no caching. Thx! Have a good weekend when the time
> comes :-)
>

If this proves effective, what you need to also do is unmount and mount
again, something like:

mount
for a in ${100..999}; do
     for b in ${100..999}; do
         stat /$a/$b/
     done
  done
unmount

-- 
Pranith
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