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containerd / zfs

ZFS snapshotter plugin for containerd
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Containerd doesn't seem to be cleaning up after deleted containers #30

Closed myers closed 4 years ago

myers commented 4 years ago

I've been running a microk8s instance on a server as a way to experiment with k8s. Today I was running low on disk and discovered this:

$ zfs list -r rpool/containerd -o name,used,creation | sort -k 2 -h
[...]
rpool/containerd/3487   3.91G  Wed Jun 26 23:41 2019
rpool/containerd/3530   3.91G  Thu Jun 27 12:03 2019
rpool/containerd/3582   3.91G  Thu Jun 27 14:05 2019
rpool/containerd/3594   3.91G  Thu Jun 27 14:17 2019
rpool/containerd/3754   3.91G  Fri Jun 28 11:47 2019
rpool/containerd/3961   3.91G  Mon Jul 22 12:05 2019
rpool/containerd/4015   3.91G  Mon Jul 22 14:54 2019
rpool/containerd/4650   3.91G  Wed Aug  7 11:32 2019
rpool/containerd/4658   3.91G  Wed Aug  7 11:35 2019
rpool/containerd/5798   3.91G  Thu Sep  5 12:17 2019
rpool/containerd/5852   3.91G  Thu Sep  5 14:58 2019
rpool/containerd/5971   3.91G  Fri Sep  6 12:24 2019
rpool/containerd/5983   3.91G  Fri Sep  6 12:47 2019
rpool/containerd/6027   3.91G  Fri Sep  6 14:27 2019
rpool/containerd/7364   3.91G  Sun Nov 17 19:48 2019
rpool/containerd/754    3.91G  Thu May  9 13:32 2019
rpool/containerd/784    3.91G  Thu May  9 13:57 2019
rpool/containerd/796    3.91G  Thu May  9 14:15 2019
rpool/containerd/821    3.91G  Sun May 12 16:58 2019
rpool/containerd/846    3.91G  Mon May 13  8:19 2019
rpool/containerd/874    3.91G  Mon May 13  9:40 2019
rpool/containerd/987    3.91G  Wed May 15 15:34 2019
rpool/containerd/2461   4.94G  Fri May 31 15:07 2019
rpool/containerd/2650   4.94G  Fri Jun  7 10:35 2019

These are left over from containers that are not longer listed in microk8s.ctr -n k8s.io container ls.

AkihiroSuda commented 4 years ago

Fixed in https://github.com/containerd/zfs/pull/24