[Kea-users] High memory utilization for Kea server / Stork agent
Peter Davies
peterd at isc.org
Tue May 14 08:20:33 UTC 2024
Hi Marek,
It would be better if you sent this to the Stork Users mailing list
- stork-users at lists.isc.org
/Peter
On 13/05/2024 20.11, Marek Hajduczenia wrote:
>
> Dear colleagues,
>
> I have been observing very high memory utilization for Kea VMs. In ~4
> days, the memory utilization has grown from ~2 GB to close to 8GB for
> no good reason.
>
> I seem to be running multiple copies of processes for some reason,
> with stork-agent likely being the primary culprit, and Kea DHCP
> servers being likely the second culprit. I have the very same
> situation on both lab nodes. I have to restart the server / stork
> agent periodically to eliminate the memory bloat.
>
> 634 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 7:35.77
> /usr/bin/stork-agent
>
> 709 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 0:18.34
> /usr/bin/stork-agent
>
> 710 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 0:34.27
> /usr/bin/stork-agent
>
> 711 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 0:00.00
> /usr/bin/stork-agent
>
> 713 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 0:00.01
> /usr/bin/stork-agent
>
> 727 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 0:00.00
> /usr/bin/stork-agent
>
> 740 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 1:29.63
> /usr/bin/stork-agent
>
> 894 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 1:24.96
> /usr/bin/stork-agent
>
> 1921 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 1:29.49
> /usr/bin/stork-agent
>
> 15986 stork-age 20 0 1866M 26240 15824 S 0.0 0.3 0:53.26
> /usr/bin/stork-agent
>
> 1340 _kea 20 0 507M 23864 16784 S 0.0 0.3 4:54.19
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1341 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:00.00
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1342 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:00.00
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1343 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:00.00
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1344 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:00.00
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1352 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:05.43
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1353 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:05.49
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1354 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:08.22
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 1355 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:08.25
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 20544 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:00.00
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 20545 _kea 20 0 507M 23864 16784 S 0.0 0.3 0:00.00
> /usr/sbin/kea-dhcp6 -c /etc/kea/kea-dhcp6.conf
>
> 679 root 20 0 107M 20736 12596 S 0.0 0.3 0:00.04
> /usr/bin/python3
> /usr/share/unattended-upgrades/unattended-upgrade-shutdown
> --wait-for-signal
>
> 732 root 20 0 107M 20736 12596 S 0.0 0.3 0:00.00
> /usr/bin/python3
> /usr/share/unattended-upgrades/unattended-upgrade-shutdown
> --wait-for-signal
>
> 1889 _kea 20 0 507M 19292 14552 S 0.0 0.2 3:05.41
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1890 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:00.00
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1891 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:00.00
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1892 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:00.00
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1893 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:00.00
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1897 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:05.47
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1898 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:05.15
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1899 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:10.02
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 1900 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:09.95
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 20586 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:00.09
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> 20587 _kea 20 0 507M 19292 14552 S 0.0 0.2 0:00.08
> /usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
>
> Regards
>
> Marek
>
>
--
Peter Davies
Support Engineer
Internet Systems Corporation
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