Date: Tue, 09 Jan 2018 11:30:11 +0200 From: wishmaster <artemrts@ukr.net> To: Eugene Grosbein <eugen@grosbein.net> Cc: freebsd-net@freebsd.org, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re[2]: swap_pager_getswapspace(32) Error Message-ID: <1515489509.866388124.tjhm60c8@frv52.fwdcdn.com> In-Reply-To: <5A5480F4.3080404@grosbein.net> References: <1515479672.203020608.2hyrh1bv@frv52.fwdcdn.com> <5A5480F4.3080404@grosbein.net>
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Hi, Eugene.
--- Original message ---
From: "Eugene Grosbein" <eugen@grosbein.net>
Date: 9 January 2018, 10:45:13
> 09.01.2018 14:11, wishmaster wrote:
>
> > Jan 5 09:49:40 server kernel: swap_pager_getswapspace(32): failed
> > Jan 5 09:49:40 server kernel: swap_pager_getswapspace(24): failed
> > Jan 5 09:49:40 server kernel: swap_pager_getswapspace(18): failed
>
> [skip]
>
> This has nothing to do with netgraph, dummynet or ipfw.
Yes, you right, I think.
>
> > Without netgraph/dummynet rules I see in top -HSP a lot of processes of MySQL. But innodb_buffer_pool_size is just 2GB. Server has 16GB RAM.
> >
> > PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
> >
> > 11570 106 20 0 570M 516M select 3 0:38 0.00% clamd{clamd}
> > 11570 106 20 0 570M 516M select 1 0:00 0.00% clamd{clamd}
> > 10612 88 20 0 2909M 451M uwait 3 0:07 0.01% mysqld{mysqld}
> > 10612 88 20 0 2909M 451M uwait 3 0:04 0.01% mysqld{mysqld}
> > .....
> >
> > uname -a
> > FreeBSD server 11.1-STABLE FreeBSD 11.1-STABLE #0 r325503: Tue Nov 7 13:38:44 EET 2017 wishmaster@servers:/usr/obj/usr/src/sys/MY amd64
>
> Have you configured any swap partitions for the server?
This problematic server has two HDD in mirror. Swap is about 32GB and located on each HDD.
The second almost identical server has only one HDD.
>From dmesg:
avail memory = 16527147008 (15761 MB)
GEOM_MIRROR: Device mirror/swap launched (2/2).
# zpool status
pool: my_zroot
state: ONLINE
scan: resilvered 2,19M in 0h0m with 0 errors on Wed May 17 13:14:09 2017
config:
NAME STATE READ WRITE CKSUM
my_zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
ada1p4 ONLINE 0 0 0
ada0p4 ONLINE 0 0 0
errors: No known data errors
# swapinfo
Device 1K-blocks Used Avail Capacity
/dev/mirror/swap 33554428 0 33554428 0%
The Capacity parameter of swapinfo is <= 2...3% even though swap_pager_getswapspace(32) is occurred.
--
Vitaliy
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