[mythtv-users] Performance issues with ext4

[Boleslaw Ciesielski]

On 12/27/09 14:55, Daniel Kristjansson wrote:
> On Sun, 2009-12-27 at 14:45 -0500, Daniel Kristjansson wrote:
>> I sounds like you had performance issues with mysql on ext4.
>> I'm not aware of any such problems which are not shared by ext3.
>
> Let me correct myself, found something that said barrier mode could
> cause a severe performance regression. mount with barrier=0 to avoid
> this, but I don't know if that is really a good idea..

Thanks, I found this

http://ubuntuforums.org/showthread.php?t=1313834
http://bugs.mysql.com/bug.php?id=46959

which basically describes (probably) the same issue. Still, I don't know 
what the implications are either...

Bolek