Re: High ram-usage with multiple /16 ipv4 networks

Posted by Peter Rathlev on
URL: http://isc-dhcp-users.193.s1.nabble.com/High-ram-usage-with-multiple-16-ipv4-networks-tp41p48.html

On Tue, 2015-04-21 at 13:18 +0200, Ruben Wisniewski wrote:
> When I delete the "deny all clients" rules, the ram-footage is reduced
> to 35 MByte:
>
> [root@bragi ~]# pmap -x 30521
> 30521:   /usr/bin/dhcpd -4 -q -pf /run/dhcpd4.pid
...
> kB gesamt          34608   28792   26292
>
> So where can I file this bug?

Umm... what bug? :-)

With 1.5 million leases you use 533 Mbytes memory, with just 2558 leases
you use 35 Mbytes memory. That's not a bug.

What you want sounds like some way of actively denying clients with
specific addresses without creating leases for them. I can't from the
top of my head think of such a way with ISC DHCP, but I'll give it a
try.

--
Peter


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