summaryrefslogtreecommitdiffstats
path: root/sys
diff options
context:
space:
mode:
authorsephe <sephe@FreeBSD.org>2016-10-17 08:27:18 +0000
committersephe <sephe@FreeBSD.org>2016-10-17 08:27:18 +0000
commit55565986b06331f196d49fa6a456eda204d1524b (patch)
tree801d18256fe4fc7ca29957d3a89348b58635eaeb /sys
parente3f4b51945ed13b3dd95dff810a0598fcbacd301 (diff)
downloadFreeBSD-src-55565986b06331f196d49fa6a456eda204d1524b.zip
FreeBSD-src-55565986b06331f196d49fa6a456eda204d1524b.tar.gz
MFC 305588
pxeboot: Add nfs.read_size tunable. Increase this tunable improves kernel loading speed. Submitted by: Jun Su <junsu microsoft com> Reviewed by: rpokala, wblock (previous version) Obtained from: DragonFlyBSD Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7756
Diffstat (limited to 'sys')
-rw-r--r--sys/boot/i386/pxeldr/pxeboot.88
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/boot/i386/pxeldr/pxeboot.8 b/sys/boot/i386/pxeldr/pxeboot.8
index d2ca703..7f57d5a 100644
--- a/sys/boot/i386/pxeldr/pxeboot.8
+++ b/sys/boot/i386/pxeldr/pxeboot.8
@@ -85,6 +85,14 @@ expects to fetch
.Pa /boot/loader.rc
from the specified server before loading any other files.
.Pp
+.Nm
+defaults to a conservative 1024 byte NFS data packet size.
+This may be changed by setting the
+.Va nfs.read_size
+variable in
+.Pa /boot/loader.conf .
+Valid values range from 1024 to 4096 bytes.
+.Pp
In all other respects,
.Nm
acts just like
OpenPOWER on IntegriCloud