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Date: Wed, 31 May 2006 17:40:40 +0400 (MSD)
From: Maxim Konovalov <maxim@macomnet.ru>
To: Alexandre Biancalana <ale@seudns.net>
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Cc: freebsd-net@freebsd.org
Subject: Re: requests for mbufs denied increasing
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On Wed, 31 May 2006, 10:29-0300, Alexandre Biancalana wrote:

> Hi list,
>
>    I've a NFS/FTP server used as backup server, receiving few
> connections with high volume of data (100GB/Day). During this period
> the "requests for mbufs denied (mbufs/clusters/mbuf+clusters)" of
> netstat -m is increasing constantly, now is:
[...]

Try patch Robert Watson committed to HEAD ten days ago:

Index: sys/vm/uma_core.c
===================================================================
RCS file: /home/ncvs/src/sys/vm/uma_core.c,v
retrieving revision 1.136
retrieving revision 1.137
diff -u -p -r1.136 -r1.137
--- sys/vm/uma_core.c	11 Feb 2006 19:20:56 -0000	1.136
+++ sys/vm/uma_core.c	21 May 2006 23:25:32 -0000	1.137
@@ -2413,8 +2413,7 @@ zfree_start:
 	 * If nothing else caught this, we'll just do an internal free.
 	 */
 zfree_internal:
-	uma_zfree_internal(zone, item, udata, SKIP_DTOR, ZFREE_STATFAIL |
-	    ZFREE_STATFREE);
+	uma_zfree_internal(zone, item, udata, SKIP_DTOR, ZFREE_STATFREE);

 	return;
 }
%%%

-- 
Maxim Konovalov