Puzzling change in performance

[Borja Marcos]

Hello,

The attached graphs are from a server running FreeBSD 7.1-i386 (now)  
with the typical Apache2+MySQL with forums, Joomla...

I just cannot explain this. Disk I/O bandwidth was suffering a lot,  
and after the update the disks are almost idle.

Any ideas? I cannot imagine a change between versions to justify this.  
The latest update to 7-STABLE had been done in August.

Maybe it was just degradation due to not being rebooted since August?  
But it's strange anyway, and I had restarted MySQL and Apache some  
times during this period.


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