dhcpd.leases file is growing out of control after upgrade

sthaug at nethelp.no sthaug at nethelp.no
Mon Aug 5 15:32:02 UTC 2013

> We recently upgraded from dhcp version 4.2.0 to 4.2.5 as part of a
> routine OS upgrade. Ever since then my dhcpd.leases is growing
> continuously. Before the upgrade the dhcpd.leases would hover around 5
> megs, depending on how recently the server has refreshed the on-disk
> state. After the upgrade, the file only seems to grow. Over the weekend
> my leases file was more than 275 megs! A simple "service dhcpd reload"
> dropped the file back down to a respectable 3.7 megs.

dhcpd will normally write out a new version of the leases file once
every hour. We run 4.2.5-P1 in a failover pair, and have seen no
problems with this.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

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