Stability and Memory Pressure in 8.2

Marco Pesenti Gritti mpgritti at gmail.com
Wed Sep 10 03:15:26 EDT 2008


On Wed, Sep 10, 2008 at 4:29 AM, Gary C Martin <gary at garycmartin.com> wrote:
>
> OK, news is not great on the Activity front...
>
> SUMMARY: 759 vs 711 each Activity instance in 759 consumes an average
> of 1Mb more memory than the same Activity running in 711, with
> Write-57 reportedly taking significantly more than that (perhaps ~7Mb).
>
> Is top and/or ps memory usage calculated in the same way between these
> builds? Could make collecting real data pretty painful.

Unfortunately not, there has been changes in the kernel. My
understanding is that private memory will be the same, while
calculation of shared memory has changed. Riccardo has a new kernel
somewhere with instructions on how to install it on 711. That should
make the memory usage comparable.

Marco



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