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| author | Alexander Motin <mav@FreeBSD.org> | 2021-02-23 15:58:56 +0000 |
|---|---|---|
| committer | Alexander Motin <mav@FreeBSD.org> | 2021-02-23 16:03:32 +0000 |
| commit | 7d4c444374d53e54ce197138df64bf40c1fb05a3 (patch) | |
| tree | da1323d8e46b456afe79404af7f77483d1118ab1 /sys/cam/ctl | |
| parent | 0eaa97f0e8629bcf678ff4de2678e4cba00f1c91 (diff) | |
| download | src-7d4c444374d53e54ce197138df64bf40c1fb05a3.tar.gz src-7d4c444374d53e54ce197138df64bf40c1fb05a3.zip | |
Bump CTL block backend threads from 14 to 32 per LUN.
This makes random read benchmarks look better on a wide ZFS pools.
I am not sure where the original value goes from, but it is there
for too long now.
MFC after: 1 week
Diffstat (limited to 'sys/cam/ctl')
| -rw-r--r-- | sys/cam/ctl/ctl_backend_block.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/cam/ctl/ctl_backend_block.c b/sys/cam/ctl/ctl_backend_block.c index 7ec8e32f7338..f50e47a2a6c1 100644 --- a/sys/cam/ctl/ctl_backend_block.c +++ b/sys/cam/ctl/ctl_backend_block.c @@ -226,7 +226,7 @@ struct ctl_be_block_io { extern struct ctl_softc *control_softc; -static int cbb_num_threads = 14; +static int cbb_num_threads = 32; SYSCTL_NODE(_kern_cam_ctl, OID_AUTO, block, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "CAM Target Layer Block Backend"); SYSCTL_INT(_kern_cam_ctl_block, OID_AUTO, num_threads, CTLFLAG_RWTUN, |