Re: [Jfs-discussion] benchmark results

Larry McVoy
2010-01-11T01:31:59Z

On Sun, Jan 10, 2010 at 08:03:04PM -0500, Casey Allen Shobe wrote:
> On Dec 25, 2009, at 11:22 AM, Larry McVoy wrote:
>> Dudes, sync() doesn't flush the fs cache, you have to unmount for
>> that.
>> Once upon a time Linux had an ioctl() to flush the fs buffers, I used
>> it in lmbench.
>
>
> You do not need to unmount - 2.6.16+ have a mechanism in /proc to flush
> caches. See http://linux-mm.org/Drop_Caches

Cool, but I tend to come at problems from a cross platform point of view.
Aix no hable /proc :)
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Larry McVoy lm at bitmover.com http://www.bitkeeper.com