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Date:      Fri, 22 Jun 2018 14:27:54 +1000
From:      Trev <freebsd-arm@sentry.org>
To:        freebsd-arm <freebsd-arm@freebsd.org>
Subject:   Re: GPT vs MBR for swap devices
Message-ID:  <4f68fe89-47bd-1efc-0447-7deb6f07a3be@sentry.org>
In-Reply-To: <73352F3D-75B9-4509-9F96-0B4559375977@yahoo.com>
References:  <25F1A4BA-FBFC-4C32-85DD-5F5BA71A2B1A@yahoo.com> <20180620023253.GA89924@www.zefox.net> <a232ed45-a9a9-1017-72ed-720a6c7a8f03@sentry.org> <1D86911D-20D1-494A-822B-1C07C5598CB1@yahoo.com> <20180622010911.GA98112@www.zefox.net> <73352F3D-75B9-4509-9F96-0B4559375977@yahoo.com>

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Mark Millard wrote on 22/06/2018 12:28:
> I'll note that in 2nd1gbsdflash_swapinfo.log I see more examples of
> large ms/w figures (and ms/r) for /dev/da0 (and some of its
> partitions). For example:
> 
> dT: 10.071s  w: 10.000s
>   L(q)  ops/s    r/s   kBps   ms/r    w/s   kBps   ms/w    d/s   kBps   ms/d   %busy Name
>      0      4      4     61    1.5      0      7    5.8      0      0    0.0    0.7  mmcsd0
>      8      1      0      3  27995      1     20  25706      0      0    0.0  275.9  da0
>      0      0      0      0    0.0      0      7    5.9      0      0    0.0    0.1  mmcsd0s2
>      0      4      4     61    1.5      0      0    0.0      0      0    0.0    0.6  mmcsd0s3
>      0      0      0      0    0.0      0      7    5.9      0      0    0.0    0.1  ufs/rootfs
>      0      4      4     61    1.5      0      0    0.0      0      0    0.0    0.6  mmcsd0s3b
>      4      0      0      0    0.0      0      7  27710      0      0    0.0  277.9  da0a
>      4      1      0      3  27996      1     14  24370      0      0    0.0  275.8  da0d

For writes, I've seen ms/w that high or indeed higher on my rpi2B but 
the make -j4 buildworld still completes without error (running FreeBSD 
11-STABLE).




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