Posting this here to exchange notes before I go to wherever dnf lives. For utterly baffling reasons, the version of dnf on Rocky Linux 9.x (current one is 4.14) needs literally gigabytes of memory for dnf makecache --timer. Several of my VMs run at capacity, and the spike of memory caused by this j…

Upstream (Fedora) maintainers appear to be aware: [image] Talk: DNF operations use large amount of RAM and may fail in low-memory... Ask Fedora dnf memory sustainabil…

But this is only on vms that are set up with low memory. It’s good they are trying to improve how DNF works, but once they fix this, some other process will end up being killed by low memory.

[image] gerry666uk: But this is only on vms that are set up with low memory. Note: the last time this happened I had 1.5GB of headroom. That’s… a lot of memory for a package manager.

I routinely disable it, systemctl disable dnf-makecache.timer - which is easy if you utilize VM templates in vmware. The purpose for which it’s enabled by default eludes my comprehension…

Dnf-makecache.timer is a major liability

Rocky Linux Help & Support

sweh August 14, 2024, 11:58pm 6

This is likely related to a problem I saw; RL9 dnf OOMs with EPEL but only on one machine!

Topic		Replies	Views
Possible memory leak in `dnf makecache` (Rocky 9.4 / dnf 4.14.0-9 / libdnf 0.69.0-8) Rocky Linux Help & Support rocky-linux-9	3	1501	November 14, 2024
RL9 dnf OOMs with EPEL but only on one machine! Rocky Linux Help & Support rocky-linux-9	6	901	July 9, 2024
Makecache.service - problem on Raspberry Pi Rocky Linux Help & Support	2	566	August 20, 2023
EPEL can not be used in Rocky9 Rocky Linux Help & Support	14	18948	July 24, 2023
Dnf makecache & update Rocky Linux Help & Support rocky-linux-8	3	3053	January 5, 2024

Dnf-makecache.timer is a major liability

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