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high performance open source DHCP solution?
- Subject: high performance open source DHCP solution?
- From: george.herbert at gmail.com (George Herbert)
- Date: Tue, 19 Jul 2011 22:08:39 -0700
- In-reply-to: <CAAAwwbUmqqZojYe=QM6_EJH79vs35V+OMw6uh13GHdUeNqRTrQ@mail.gmail.com>
- References: <CALJphbuhBFFPm1_gUr9LJ_6E5aaUcai9d+utdePmrBK3TZ70pw@mail.gmail.com> <CAAAwwbUmqqZojYe=QM6_EJH79vs35V+OMw6uh13GHdUeNqRTrQ@mail.gmail.com>
220-ish per second sounds roughly like a 1-disk (or 2 mirrored disk)
IOPS problem, personally...
But any number of other things could be affecting it.
The number should be thousands if your disk / filesytem RAM cache /
server configuration aren't inadequate...
On Tue, Jul 19, 2011 at 8:54 PM, Jimmy Hess <mysidia at gmail.com> wrote:
> On Tue, Jul 19, 2011 at 9:21 PM, Rogelio <scubacuda at gmail.com> wrote:
>> The free DHCP solution, ISC, seems to be having scaling issues (i.e.
>> handling only about 200 DHCPDISCOVER and 20 DHCPRENEW requests), and I
>> was wondering if anyone had any open source suggestions of solutions
>> that could scale much better?
>
> Where do you get that ISC DHCPD only handles 200 DHCPDISCOVER / 20 DHCPRENEW
> requests? ? ?That doesn't sound right. ? So I wonder what are you measuring?
>
> Is this a number of answers per second your implementation of ISC
> DHCPD is providing successfully?
> There are architectural facts about any environment besides what
> software is performing the DHCP task.
>
> How many ?I/Os ?+ fsync()'s ?per second can this DHCP server handle
> that does only 20 renews?
>
> --
> -JH
>
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--
-george william herbert
george.herbert at gmail.com