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authorAlexander Motin <mav@FreeBSD.org>2021-02-23 15:58:56 +0000
committerAlexander Motin <mav@FreeBSD.org>2021-02-23 16:03:32 +0000
commit7d4c444374d53e54ce197138df64bf40c1fb05a3 (patch)
treeda1323d8e46b456afe79404af7f77483d1118ab1
parent0eaa97f0e8629bcf678ff4de2678e4cba00f1c91 (diff)
downloadsrc-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
-rw-r--r--sys/cam/ctl/ctl_backend_block.c2
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,