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Set the NFS server sockbuf high watermarks to the system defaults

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(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
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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)