Re: Mainline kernel OLTP performance update
From: Christoph Lameter <hidden>
Date: 2009-01-23 16:57:37
Also in:
linux-scsi, lkml
Possibly related (same subject, not in this thread)
- 2009-01-19 · Re: Mainline kernel OLTP performance update · Rick Jones <hidden>
- 2009-01-19 · Re: Mainline kernel OLTP performance update · Nick Piggin <hidden>
- 2009-01-16 · Re: Mainline kernel OLTP performance update · Rick Jones <hidden>
- 2009-01-16 · Re: Mainline kernel OLTP performance update · Nick Piggin <hidden>
- 2009-01-16 · Re: Mainline kernel OLTP performance update · Zhang, Yanmin <hidden>
On Fri, 23 Jan 2009, Pekka Enberg wrote:
I wonder why that doesn't happen already, actually. The slub_max_order
know is capped to PAGE_ALLOC_COSTLY_ORDER ("3") by default and obviously
order 3 should be as good fit as order 2 so 'fraction' can't be too high
either. Hmm.The kmalloc-8192 is new. Look at slabinfo output to see what allocation orders are chosen.