Re: [RFC PATCH] Fix aio performance regression for database caused by THP
From: Andi Kleen
Date: Thu Aug 15 2013 - 15:34:11 EST
Khalid Aziz <khalid.aziz@xxxxxxxxxx> writes:
> I am working with a tool that simulates oracle database I/O workload.
> This tool (orion to be specific -
> <http://docs.oracle.com/cd/E11882_01/server.112/e16638/iodesign.htm#autoId24>)
> allocates hugetlbfs pages using shmget() with SHM_HUGETLB flag.
Is this tool available for download?
I would rather prefer to address the locking overhead in THP too.
The fundamental problem is that we have to touch all the pages?
-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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