On Fri, Feb 08, 2013 at 02:30:04PM -0700, Florian Hofmann wrote:
> Hi everybody,
> 
> I am using btrfs as my main fs for some time now, but I am
> experiencing severe performance drawbacks. I can't qualify the
> circumstances, but sometimes during disc access the whole system
> freezes for some time.
> 
> Maybe somebody could suggest some general things I could try to search
> for the problem?

Can I see

btrfs fi df /mnt/point
btrfs fi show

and then when you are having problems

echo w > /proc/sysrq-trigger

and capture dmesg.  Thanks,

Josef
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