LD_PRELOAD work in progress

[Seth Arnold]

On Tue, Feb 24, 2015 at 06:06:35PM -0500, Stéphane Graber wrote:
> The result from the app point of view would be identical to overlayfs as
> in it'd work with just about any userspace application. However there is
> the small concern of having multiple thousand-entries long mount tables
> on the system. Working with containers where we do (ab)use mount
> namespace a fair bit, the kernel should behave just fine, though that'd
> be a fair amount of kernel memory being used just for all of those
> mounts and tmpfs.

I understand systemd does some O(N^2) operations on the list of mounts
every time a new filesystem is mounted or umounted; it might not scale
to thousands of mount points gracefully.

Thanks
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 473 bytes
Desc: Digital signature
URL: <https://lists.ubuntu.com/archives/snappy-devel/attachments/20150224/3e86215a/attachment.pgp>