On Mon, Jun 10, 2019 at 1:00 AM BASSAGET Cédric <
cedric.bassaget...@gmail.com> wrote:

> Hello Robert,
> My disks did not reach 100% on the last warning, they climb to 70-80%
> usage. But I see rrqm / wrqm counters increasing...
>
> Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz
> avgqu-sz   await r_await w_await  svctm  %util
>
> sda               0.00     4.00    0.00   16.00     0.00   104.00    13.00
>     0.00    0.00    0.00    0.00   0.00   0.00
> sdb               0.00     2.00    1.00 3456.00     8.00 25996.00    15.04
>     5.76    1.67    0.00    1.67   0.03   9.20
> sdd               4.00     0.00 41462.00 1119.00 331272.00  7996.00
>  15.94    19.89    0.47    0.48    0.21   0.02  66.00
>
> dm-0              0.00     0.00 6825.00  503.00 330856.00  7996.00
>  92.48     4.00    0.55    0.56    0.30   0.09  66.80
> dm-1              0.00     0.00    1.00 1129.00     8.00 25996.00    46.02
>     1.03    0.91    0.00    0.91   0.09  10.00
>
>
> sda is my system disk (SAMSUNG   MZILS480HEGR/007  GXL0), sdb and sdd are
> my OSDs
>
> would "osd op queue = wpq" help in this case ?
> Regards
>

Your disk times look okay, just a lot more unbalanced than I would expect.
I'd give wpq a try, I use it all the time, just be sure to also include the
op_cutoff setting too or it doesn't have much effect. Let me know how it
goes.
----------------
Robert LeBlanc
PGP Fingerprint 79A2 9CA4 6CC4 45DD A904  C70E E654 3BB2 FA62 B9F1
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