On Wed, 23 Jul 2025 20:14:53 +0200, Stoiko Ivanov wrote:
> the following patch seems applicable and might fix an issue observed
> in our enterprise support a while ago. containers run in their own
> cgroups, thus were probably not scanned by the kernel shrinker - this
> resulted in Dnode cache numbers of 300+% reported in arc_summary.
>
> FWICT the issue was introduced in ZFS 2.2.7
> (commit 5f73630e9cbea5efa23d16809f06e0d08523b241 see:
> https://github.com/openzfs/zfs/issues/17052#issuecomment-3065907783)
> but I assume that the increase of zfs_arc_max by default makes it
> trigger OOMs far easier.
>
> [...]
Applied, thanks!
[1/1] cherry-pick fix for overgrown dnode cache
commit: 595cc7bfa112771dc7db257b885677ee057f0d6b
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