Messages in this thread | | | Date | Wed, 3 Mar 2004 19:33:43 -0800 | From | Andrew Morton <> | Subject | Re: 2.4.23aa2 (bugfixes and important VM improvements for the high end) |
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Peter Zaitsev <peter@mysql.com> wrote: > > On Sat, 2004-02-28 at 17:43, Andrea Arcangeli wrote: > > > > > > > Definately not what we expected, but a nice surprise nontheless. > > > > this is the first time I hear something like this. Maybe you mean the > > 4:4 was actually using more ram for the SGA? Just curious. > > I actually recently Did MySQL benchmarks using DBT2 MySQL port. > > The test box was 4Way Xeon w HT, 4Gb RAM, 8 SATA Disks in RAID10. > > I used RH AS 3.0 for tests (2.4.21-9.ELxxx) > > For Disk Bound workloads (200 Warehouse) I got 1250TPM for "hugemem" vs > 1450TPM for "smp" kernel, which is some 14% slowdown.
Please define these terms. What is the difference between "hugemem" and "smp"?
> For CPU bound load (10 Warehouses) I got 7000TPM instead of 4500TPM, > which is over 35% slowdown.
Well no, it is a 56% speedup. Please clarify. Lots.
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