Description of problem:

Packagekit consumes over 1G memory.

1. uptime
   14:31:04 up 3 days, 16:38, 3 users, load average: 0.13, 0.14, 0.17

List of current processes sorted by memory usage:

MiB Mem : 7588.9 total, 1743.8 free, 2242.5 used, 3602.7 buff/cache
MiB Swap: 7912.0 total, 7910.5 free, 1.5 used. 4993.9 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3383 root 20 0 1333128 784332 31052 S 0.0 10.1 4:32.17 packagekitd
135166 root 20 0 2289584 559860 41496 S 0.0 7.2 3:19.16 python3
3518 root 20 0 575848 82712 26268 S 0.0 1.1 1:52.56 rhsm-service
95356 root 20 0 3036324 78688 37948 S 1.7 1.0 6:15.17 podman

Version-Release number of selected component (if applicable):

1. cat /etc/redhat-release
   Red Hat Enterprise Linux release 8.5 (Ootpa)

1. yum provides /usr/libexec/packagekitd
   Updating Subscription Management repositories.
   Last metadata expiration check: 0:14:46 ago on Fri 11 Feb 2022 02:14:42 PM EET.
   PackageKit-1.1.12-2.el8.x86_64 : Package management service
   Repo : rhel-8-for-x86_64-appstream-rpms
   Matched from:
   Filename : /usr/libexec/packagekitd

1. yum list installed | grep PackageKit
   PackageKit.x86_64 1.1.12-6.el8 @rhel-8-for-x86_64-appstream-rpms
   PackageKit-glib.x86_64 1.1.12-6.el8 @rhel-8-for-x86_64-appstream-rpms

How reproducible:

Unknown

Steps to Reproduce:

1. Install RH 8
2. Install cockpit
3. Register to insights
4. Update system
5. Reboot system

???

Actual results:

Significant memory usage (10% of total system memory)

Expected results:

much lower memory usage

Additional info:

The same problem on two systems, both RH 8.5, memory consumption lower on another systems but still about 500M