Re: Mainline kernel OLTP performance update

[Christoph Lameter]

On Sat, 24 Jan 2009, Zhang, Yanmin wrote:

> But when trying to increased it to 4, I got:
> [root@lkp-st02-x8664 slab]# echo "3">kmalloc-8192/order
> [root@lkp-st02-x8664 slab]# echo "4">kmalloc-8192/order
> -bash: echo: write error: Invalid argument

This is because 4 is more than the maximum allowed order. You can
reconfigure that by setting

slub_max_order=5

or so on boot.
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