Performance trouble after migration Squeeze to Wheezy

[B.R.]

Hello,

First of all I need to emphasize the fact that I know WHeezy is not yet
supported.
What I am trying to determine how WHeezy could impact Nginx (compiled for
Squeeze) performance.

Since I made the upgrade, big files are being served in a slow fashion
(~200 kiB/s).
The directory serving them is configured with AIO and worked perfectly
before system changes.

I know Sergey listed some changes in the
dependencies<http://mailman.nginx.org/mailman/listinfo/nginx>,
but what precisely would explain such a slow-down?
Is there a defect somewhere that I can work on or just be patient and wait
for the release of the Wheezy build of Nginx?

Thanks,
---
*B. R.*
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