is TMPFS still highly experimental?

[Ivan Voras]

On 4 October 2011 00:13, Xin LI <delphij at gmail.com> wrote:
> On Mon, Oct 3, 2011 at 2:36 PM, Olivier Smedts <olivier at gid0.org> wrote:
> [...]
>> Try reducing the swap size to less than the RAM size. No "configuration
>> issue", try with some RAM + swap that should fit all.
>
> But it's not ZFS+tmpfs specific, it can happen anywhere when memory
> and swap is not sufficient.  Of course tmpfs and ZFS should play more
> well together but it's pretty much a "you get what you paid for"
> situation IMHO.

That would be ok...

> One thing I can not yet reproduce, but sounds like a serious issue is
> that when system have sufficient RAM available, ZFS reports 0 in free
> space...  If there is a test case for that then that's definitely
> something we need to solve sooner.

Yes, this is the point of my original bug report - I thought that this
is what you were going to test. Note that on that machine I have both
free memory and free swap and still 0 bytes free in tmpfs.