Re: High Mem Options

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Wed Mar 05 2003 - 16:34:22 EST


> Ah, if you are referring to a number from me, that was with 2.4 and
> that number seemed high to me at the time. I don't believe that 10%
> *should* be the amount of degradation. But I don't have current numbers
> (that I can share, anyway ;-) that prove anything less than that.
>
> I expect that we'll be diving into this more over the next few months
> as we can generate some large workloads and find the cause of the
> degradation (and hopefully minimize it).

Would also be useful to measure the overhead on a machine with < 4Gb
of RAM ... otherwise you have two effects to deal with:

1. the PAE overhead.
2. The increase in RAM - more data to manage, and potential bounce-buffers.

M.

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