d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Set the NFS server sockbuf high watermarks to the system defaults

Browse Source 
(up form 32KB). The low highwatermark setting caused UDP fullsock
request drops, throttling thruput greatly.
Reported by: Kris Kennaway
Approved by: re@ (Ken Smith)
This commit is contained in:
Mohan Srinivasan 2007-10-12 03:56:27 +00:00
parent 7c01ae3bd4
commit 58d14dae6d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=172557
2 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/kern/uipc_sockbuf.c
View File

@ -60,8 +60,8 @@ void (*aio_swake)(struct socket *, struct sockbuf *);
*/
u_long sb_max = SB_MAX;
static u_long sb_max_adj =
SB_MAX * MCLBYTES / (MSIZE + MCLBYTES); /* adjusted sb_max */
u_long sb_max_adj =
SB_MAX * MCLBYTES / (MSIZE + MCLBYTES); /* adjusted sb_max */
static u_long sb_efficiency = 8; /* parameter for sbreserve() */

7
sys/nfsserver/nfs_syscalls.c
View File

@ -100,6 +100,8 @@ static int nfssvc_addsock(struct file *, struct sockaddr *,
static void nfsrv_zapsock(struct nfssvc_sock *slp);
static int nfssvc_nfsd(struct thread *);
extern u_long sb_max_adj;
/*
* NFS server system calls
*/
@ -206,10 +208,7 @@ nfssvc_addsock(struct file *fp, struct sockaddr *mynam, struct thread *td)
}
}
#endif
if (so->so_type == SOCK_STREAM)
siz = NFS_MAXPACKET + sizeof (u_long);
else
siz = NFS_MAXPACKET;
siz = sb_max_adj;
error = soreserve(so, siz, siz);
if (error) {
if (mynam != NULL)