I would have expected zero for all l2_compress values.
Regards
Steve
----- Original Message -----
From: "Vitalij Satanivskij" <sa...@ukr.net>
To: "Steven Hartland" <kill...@multiplay.co.uk>
Cc: "Vitalij Satanivskij" <sa...@ukr.net>; "Dmitriy Makarov" <suppor...@ukr.net>;
<freebsd-current@freebsd.org>
Sent: Friday, October 25, 2013 8:32 AM
Subject: Re: ZFS L2ARC - incorrect size and abnormal system load on r255173
Just after system reboot with this patch
found
kstat.zfs.misc.arcstats.l2_compress_successes: 6083
kstat.zfs.misc.arcstats.l2_compress_zeros: 1
kstat.zfs.misc.arcstats.l2_compress_failures: 296
compression on test pool (where I'm test this patch) is lz4
so is it ok ?
Steven Hartland wrote:
SH> If you are still seeing high load try commenting out the following
SH> which should disable l2arc compression.
SH> sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
SH> if (l2arc_compress)
SH> hdr->b_flags |= ARC_L2COMPRESS;
SH>
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