Date: Tue, 12 Feb 2019 19:29:15 +0100 From: Kurt Jaeger <pi@opsec.eu> To: Eugene Grosbein <eugen@grosbein.net> Cc: Garrett Wollman <wollman@bimajority.org>, freebsd-stable@freebsd.org Subject: Re: 11.2-STABLE kernel wired memory leak Message-ID: <20190212182915.GM2748@home.opsec.eu> In-Reply-To: <8a9361fd-4701-4e33-33f0-e4800af7637c@grosbein.net> References: <d8c7abc0-3ba1-40e4-22b1-1b30d28ced14@grosbein.net> <201902121757.x1CHve0h056876@hergotha.csail.mit.edu> <7125e053-5adf-929a-bde6-a64fceae2aaa@grosbein.net> <8a9361fd-4701-4e33-33f0-e4800af7637c@grosbein.net>
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Hi!
> > Use following command to see how much memory is wasted in your case:
> >
> > vmstat -z | awk -F, '{printf "%10s %s\n", $2*$5/1024/1024, $1}' | sort -k1,1 -rn | head
>
> Oops, small correction:
>
> vmstat -z | sed 's/:/,/' | awk -F, '{printf "%10s %s\n", $2*$5/1024/1024, $1}' | sort -k1,1 -rn | head
On a 8 GB 11.2p8 box doing mostly routing:
42.3047 abd_chunk
40 zio_buf_131072
31.75 zio_data_buf_131072
19.8901 swblk
12.9224 RADIX NODE
11.7344 zio_buf_16384
10.0664 zio_data_buf_12288
9.84375 zio_data_buf_40960
9.375 zio_data_buf_81920
7.96875 zio_data_buf_98304
So, how do I understand this ? Please note that I use:
vfs.zfs.arc_max=1216348160
--
pi@opsec.eu +49 171 3101372 One year to go !
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