trapexit

https://github.com/trapexit/mergerfs#performance There are lots of things to consider. If you're using O_DIRECT then naturally you'll get worse performance generally and especially if latency increases. Apps almost always use sync IO....

mergerfs is using enough memory to be chosen by the oomkiller? That's not common but can happen depending on the usage pattern. There really isn't much that can be done...

1) Please use an up to date version. 2.24.2 was released Mar 24, 2018. 2) It works fine / as expected for me performing the instructions above. What groups is...

1. Debian isn't a rolling release OS. Versions are relatively fixed once released. I've no control over the version they distribute but their release schedule is very slow so no...

Was the group membership changed *after* mergerfs was up and running and you had accessed something as that user? If so then the previously explained reason is why it happens....

BTW the docs talk about all this: https://github.com/trapexit/mergerfs#supplemental-user-groups The part about C++11 is outdated now and I could rewrite it to make it less static but that wouldn't change anything...

re: containers I'm not sure I understand. How do you have things setup? Is mergerfs in its own container or in the default namespaces? Are you using user namespaces or...

What are the errors you see exactly? Have you entered the container's namespace and tried "touch"ing a file or similar? Lots of people, including myself, use mergerfs with docker (with...

And what are your supplemental groups for 999 on the host? I'm guessing there aren't any. Hence the perm issues. You have to remember what you are doing / what...

I plan on rewriting the cache and will add the ability to clear it but it won't come probably till after 3.x release. I could add uid,gid and subgroup manipulation...