OK, I hacked it together apt-installing some shared libs.
With the patch applied I get:
k logs test-memcached-0
failed to open file for mmap: No such file or directory
Which is a bit strange - should not the file be created dynamically if it
does not exist?
fredag 6. desember 2019 23.51.38 UTC+1 skrev Dormando følgende:
>
> It's going to use some caps (opening files, mmap'ing them, shared memory,
> etc). I don't know what maps to which specific thing.
>
> That error looks like an omission on my part..
>
> mmap_fd = open(file, O_RDWR|O_CREAT, S_IRWXU);
> if (ftruncate(mmap_fd, limit) != 0) {
> perror("ftruncate failed");
> abort();
> }
>
> missing the error check after open.
>
> Try adding a:
>
> if (mmap_fd == -1) {
> perror("failed to open file for mmap");
> abort();
> }
>
> between the open and if (ftruncate) lines, which will give you the real
> error. I'll get that fixed upstream.
>
> On Fri, 6 Dec 2019, David Karlsen wrote:
>
> > Does memcached use any of these capabilities:
> https://unofficial-kubernetes.readthedocs.io/en/latest/concepts/policy/container-capabilities/
> ?
>
> >
> >
> > fre. 6. des. 2019 kl. 16:39 skrev David Karlsen <[email protected]
> <javascript:>>:
> > So far I am stuck on:
> > k logs test-memcached-0
> > ftruncate failed: Bad file descriptor
> >
> >
> > - memcached
> > - -m 768m
> > - -I 1m
> > - -v
> > - -e /cache-state/memory_file
> >
> > -vvv does not reveal anything interesting.
> > What could be the cause of this?
> >
> > lørdag 30. november 2019 18.03.23 UTC+1 skrev David Karlsen følgende:
> > Reading https://github.com/memcached/memcached/wiki/WarmRestart it
> is a bit unclear to me if the mount *has* to be tmpfs backed, or it can be
> a normal
> > fileystem like xfs.
> > We are looking into running memcached through
> Kubernetes/containers - and as a tmpfs volume would be wiped on
> pod-recreation
> >
> > --
> >
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>
>
> >
> >
> >
> > --
> > --
> > David J. M. Karlsen - http://www.linkedin.com/in/davidkarlsen
> >
> > --
> >
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>
> >
> >
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