On 09.03.2010 10:14, Daniel Braniss wrote:
Thanks for your kind reply, I'm forwarding it there...
-------- Original Message --------
Subject: Re: NFS Client error
Date: Mon, 08 Mar 2010 23:59:29 +0100
From: vol...@vwsoft.com
To: Giulio Ferro<au...@zirakzigil.org>
CC: freebsd-hack...@freebsd.org, freebsd-...@freebsd.org
On 03/08/10 12:16, Giulio Ferro wrote:
Freebsd 8 stable amd64
It mounts different file systems by NFS (with locking) on a
data server directly connected (gigabit) to the server
Apache running in a several jails on those nfs folders.
Now and then I get huge slow-down. When I look in the logs
I get thousand of lines like these:
Mar 5 11:50:52 virt2 kernel: vm_fault: pager read error, pid 46487 (httpd)
Mar 5 11:50:52 virt2 kernel: pid 46487 (httpd), uid 80: exited on
signal 11
What should I do?
If the binary (httpd) is on a nfs server, then if the binary got
modified this is what usualy happens
Nope. The binary is on the jails on the local machine.
Only the configuration dir (etc/apache22) and data dir (www)
in on the nfs server.
------------------------
|NFS CLIENT |
| jail 1 : httpd |
| jail 2 : httpd | ------> NFS SERVER
| jail 3 : httpd |
|... |
-----------------------
Giulio.
my 2c
danny
Giulio,
it seems this is anyhow not related to network (nfs) operations. It's
looking like a problem in the VM. I think it makes sense to have a look
at the httpd.core file if the binary has been linked with debugging
symbols turned on. Also I think at first, it may not hurt to look at
vmstat -m output.
You may want to change ${subject} and post to stable@ to drive more
attention to your problem.
Volker
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