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Re: [lvs-users] net-snmp-lvs-module: stats fail under high load

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [lvs-users] net-snmp-lvs-module: stats fail under high load
From: Robin Bowes <robin-lists@xxxxxxxxxxxxxx>
Date: Tue, 08 Dec 2009 12:49:20 +0000
On 25/11/09 13:22, Robin Bowes wrote:
> Hi,
> 
> I've been building out a platform that uses the net-snmp-lvs module to
> monitor LVS stats. In testing, it worked just fine. I'm graphing
> connection rate, packet rate, and byte rate for the virtual service and
> each of the real servers.
> 
> However, when we put some live traffic through the LVS instance this
> morning, we lost the connection rate stats. There are some graphs here
> that show the issue:
> 
> http://yo61.com/net-snmp-lvs-module-fails-under-high-load.html
> 
> Sadly, I didn't think to try ipvsadm --list --rate at the time to see if
> the problem was in ipvs or the net-snmp-lvs module and we've reverted
> the cut-over so the system is no longer heavily loaded.
> 
> Has anyone else seen anything similar to this?

*bump*

No-one got any thoughts on this?

R.

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