Performance Monitoring on dhcpd
matt.causey at gmail.com
Sun Apr 25 00:55:35 UTC 2010
Cool. Yeah these are both useful tools - but I'm after something a
bit more esoteric.
Say we have lots of REQUEST/ACK transactions:
Apr 25 00:05:49 fc-login-ind1-101 dhcpd: DHCPREQUEST for 10.11.245.87
from 00:15:70:89:0d:db via 10.11.244.2
Apr 25 00:05:49 fc-login-ind1-101 dhcpd: DHCPACK on 10.11.245.87 to
00:15:70:89:0d:db via 10.11.244.2
We can see that this one happened in the same second. Is there some
way, perhaps with some of the custom dhcp logging foo, to log the
transaction as a single 'event' - with the time delta described in
milliseconds or microseconds?
If this functionality doesn't exist in the custom logging stuff today
- I'd love to add it if anyone else thinks it would be handy.
On Sat, Apr 24, 2010 at 1:49 PM, lastsky lastsky <lastsky at live.com> wrote:
> this is not what you want, but useful too, see http://www.net-track.ch/opensource/dhcpd-snmp/
>> Date: Fri, 23 Apr 2010 20:54:18 -0700
>> Subject: Performance Monitoring on dhcpd
>> From: matt.causey at gmail.com
>> To: dhcp-users at isc.org
>> I'm looking at our dhcpd infrastructure, and would like to instrument
>> some monitoring. I'd like to collect some latency metrics for dhcp
>> transactions. Like, how long are REQUEST/ACK transactions taking?
>> What about REQ/OFFER/ACK transactions?
>> I'm thinking I can parse dhcp logs to get this data. But is there a
>> better way? How do the developers benchmark the performance of the
>> server during normal runtime?
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