Memory footprint of dhcpd process steadily increasing

sthaug at sthaug at
Tue Mar 31 20:46:16 UTC 2009

> Two of our dhcp servers failed with "out of memory" messages:
>    Mar 30 07:39:17 DHCP-SERVER out of memory [8971]
>    Mar 30 07:39:19 DHCP-SERVER last message repeated 42 times
> (two hours later the second server in the active/active failover 
> relationship had the same problem)
> It seems the dhcpd process' memory footprint is steadily increasing 
> until the system runs out of memory and dhcpd dies.  We do use OMAPI but 
> we run version 3.1.1 which fixes that related memory leak.  I found one 
> other mention of this problem posted by Steinar Haug:

Yes, this is still an unsolved problem. We restart our DHCP servers
regularly, to work around the problem.

It would be good to know what could be done to get this problem higher
up on the priority list.

Steinar Haug, Nethelp consulting, sthaug at

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