[OmniOS-discuss] Upgrade to 151022m from 014 - horrible NFS performance

[Artem Penner]

Hi, can you post output of
https://github.com/d-helios/dtrace/blob/master/zfs/zfs_rwlatency.d
And if you have separate log device output of
https://github.com/d-helios/dtrace/blob/master/zfs/zil_latency.d
---
What is your nfs-server settings? (sharectl get nfs)


чт, 24 авг. 2017 г. в 19:35, Richard Elling <
richard.elling at richardelling.com>:

> On Aug 24, 2017, at 5:41 AM, Schweiss, Chip <chip at innovates.com> wrote:
>
> I just move one of my production systems to OmniOS CE 151022m from 151014
> and my NFS performance has tanked.
>
> Here's a snapshot of nfssvrtop:
>
> 2017 Aug 24 07:34:39, load: 1.54, read: 5427     KB, swrite: 104      KB,
> awrite: 9634     KB
> Ver     Client           NFSOPS   Reads SWrites AWrites Commits   Rd_bw
>  SWr_bw  AWr_bw    Rd_t   SWr_t   AWr_t   Com_t  Align%
> 3       10.28.17.1            0       0       0       0       0       0
>     0       0       0       0       0       0       0
> 3       all                   0       0       0       0       0       0
>     0       0       0       0       0       0       0
> 4       10.28.17.1            9       0       0       0       0       0
>     0       0       0       0       0       0       0
> 4       10.28.16.160         17       0       0       0       0       0
>     0       0       0       0       0       0       0
> 4       10.28.16.127         20       0       0       0       0       0
>     0       0       0       0       0       0       0
> 4       10.28.16.113         74       6       6       0       0      48
>    56       0    1366   20824       0       0     100
> 4       10.28.16.64         338      16       0      36       3     476
>     0    1065     120       0     130  117390     100
> 4       10.28.16.54         696      68       0      91       5    2173
>     0    2916      52       0      93  142083     100
> 4       all                1185      90       6     127       8    2697
>    56    3996     151   20824     104  133979     100
>
> The pool is not doing anything but serving NFS.   Before the upgrade, the
> pool would sustain 20k NFS ops.
>
>
> The commit time is in microseconds, and it does look high. Is there a slog?
>  — richard
>
>
> Is there some significant change in NFS that I need to adjust its tuning?
>
> -Chip
>
>
>
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