| Re: Crazy IO utilization in VE running on Debian Squeeze host [message #42150 is a reply to message #42148] |
Wed, 09 March 2011 19:51  |
Valentine Gostev
Messages: 1
Registered: March 2011
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Junior Member |
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Hi Pavel,
2.6.18 (EL5) and 2.6.9 (EL4) are considered as stable branches of OpenVZ
kernel
2.6.32 is development.
I used 2.6.32 for tests (RHEL6) - such problems were not met.
2011/3/10 Pavel Shevaev <pacha.shevaev@gmail.com>
> Folks,
>
> I tried using OpenVZ(2.6.32-5-openvz-amd64) on a Debian Squeeze host
> and I faced _crazy_ IO utilization numbers(99-101%) for a VE which has
> unlimited resources.
>
> The VE is running Percona Server(a patched version of MySQL). I've
> never had such issues with it on the same load on the "real" hardware
> node.
>
> And the worst part - I've faced several INNODB data corruptions in VE.
> After that I moved Percona onto the hardware node and now all IO
> problems are gone(at least running 6 hours without a glitch as of this
> writing)....
>
> Maybe it's not a good idea to use OpenVZ 2.6.32 kernel on production
> yet? If yes, what is the best version of OpenVZ kernel to be used on
> production?
>
> --
> Best regards, Pavel
--
----------------
Best regards,
Valentine Gostev
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