OS X 10.9 Maverick

George K Colley gcolley at apple.com
Thu Jun 20 14:12:39 MDT 2013

On Jun 19, 2013, at 7:46 AM, Volker Lendecke <Volker.Lendecke at SerNet.DE> wrote:

> On Tue, Jun 18, 2013 at 03:41:25PM -0700, George K Colley wrote:
>> On Jun 18, 2013, at 10:02 AM, Volker Lendecke <Volker.Lendecke at SerNet.DE> wrote:
>>> On Tue, Jun 18, 2013 at 04:30:59PM +0200, Ralph Böhme wrote:
>>>> Hi everybody,
>>>> Apple is moving to SMB2 as the default filesharing
>>>> protocol in it's next OS X incarnation 10.9 Maverick:
>>> A VERY interesting question will be whether it will be able
>>> to issue parallel requests. I very regularly earn a lot of
>>> money by telling people that Samba can not do much about
>>> OS/X doing what we used to call rabbit-pellet mode, i.e.
>>> sending sequential, very small requests. If that is still
>>> the default for their SMB2 implementation, I think people
>>> should better stick with AFP.
>> In most case small IO was caused by upper level making
>> sync reads and writes with small IO. With SMB 2 we handle
>> large IO and multiple message being sent. Now if the call
>> application (Excel) sends lots of little IO in sync mode
>> then there is not much we can do about that issue.
> Hehe, yes, I've seen OS/X saving Excel files doing exactly
> that. How does OS/X deal with it in the AFP world?
It really doesn't do it much better, but with Mavericks we have added code that should make SMB 2 work the same as AFP.

> Volker
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