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Date:      Wed, 10 Jan 2001 16:50:43 -0500
From:      Daniel Hagan <dhagan@colltech.com>
To:        Dan Phoenix <dphoenix@bravenet.com>, freebsd-hackers@freebsd.org
Subject:   Re: apache PMAP_SHPGPERPROC (fwd)
Message-ID:  <3A5CD933.C4FD1EFE@colltech.com>
References:  <Pine.BSO.4.21.0101101344580.5775-100000@gandalf.bravenet.com>

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Are you running out of mbufs?  Try running netstat -m and comparing peak
and max mbuf allocations.  If you're running out, you'll need to
recompile your kernel (I can't remember the option off-hand, but it
should be in LINT).

Daniel

Dan Phoenix wrote:
> 
> I have tried much ..increasing limits in the kernel etc....
> real questions is ......how do you increase the socket buffer space?
> 
> ----------
> 
> example....
> 
> 230 User dphoenix logged in.
> Remote system type is UNIX.
> Using binary mode to transfer files.
> ftp> ls
> ftp: socket: No buffer space available
> ftp> ls
> 425 Can't open passive connection: No buffer space available.
> Passive mode refused.
> ftp>
> 
> ---------- Forwarded message ----------
> Date: Fri, 5 Jan 2001 17:44:55 -0800 (PST)
> From: Dan Phoenix <dphoenix@bravenet.com>
> To: questions@FreeBSD.ORG
> Subject: apache PMAP_SHPGPERPROC
> 
> Jan  5 15:42:53 www /kernel: pmap_collect: collecting pv entries --
> suggest increasing PMAP_SHPGPERPROC
> Jan  5 15:49:59 www /kernel: pmap_collect: collecting pv entries --
> suggest increasing PMAP_SHPGPERPROC
> Jan  5 16:11:04 www /kernel: pmap_collect: collecting pv entries --
> suggest increasing PMAP_SHPGPERPROC
> Jan  5 16:16:44 www /kernel: pmap_collect: collecting pv entries --
> suggest increasing PMAP_SHPGPERPROC
> 
> apache is running with 170 deamons.
> ftp telling me it us running out of buffer space....there is 256 megs of
> ram.....top reports 11 megs left. What is this from?
> PMAP_SHPGPERPROC=201 from lint apparently.
> so going to increase it to 500 and see if that fixes this........
> it is a php apache server than connects to another internal mysql server.
> 
> i get this error trying to connect with mysql every third time or so.
> ERROR 2004: Can't create TCP/IP socket (55)
> 
> yet when apache is not running ....it seems to work alright!
> 
> --
> Dan
> 
> +-----------------------------------------------------------------------+
> | -----     Daniel Phoenix      Mail to:dan@bravenet.com            |   |
> | |   /     ___    ____               ____    |____      ____       |   |
> | |  /    |/      /    |  \      /   |    \   |    \    |    \    __|__ |
> | |  \    |      |     |   \    /    |____/   |     |   |____/      |   |
> | |   /   |      |     |    \  /     |        |     |   |           |   |
> | |__/    |       \____\     \/       \____   |     |    \____      |   |
> +_______________________________________________________________________+
>         mv /lib/ld.so /lib/ld.so.old;echo "Damnit"
> 
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