[Nix-dev] Should we drop 9P?

[Ertugrul Söylemez]

> 9P is used by NixOS to share host's nix store with Qemu virtual
> machines. Such technique is used in the build process, in the
> test-driver, so to say in the critical places.
> Recently few bugs in 9P were found (#23957 #23020 #22695) which
> reveals that 9P code is not very mature and perhaps NixOS is the first
> team which uses 9P heavily and relies on it in production.
>
> Shouldn't we replace 9P with something battle-tested like NFS or
> Samba?  It may also improve the performance because 9P server works in
> qemu process, in user mode and there are as many servers as virtual
> machines running.

In terms of performance getting rid of QEMU where possible is probably
the better option.  Containers are fairly mature these days, and then
sharing file-systems is a matter of bind-mounting.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 487 bytes
Desc: not available
URL: <http://lists.science.uu.nl/pipermail/nix-dev/attachments/20170321/a680b9a8/attachment.sig>