[Swift-devel] IO overheads of swift wrapper scripts on BlueGene/P

[Michael Wilde]

I'll try to dig into this later today. Allan, are you available to talk 
by phone/skype?

On 10/19/09 10:34 AM, Mihael Hategan wrote:
> On Mon, 2009-10-19 at 10:25 -0500, Ioan Raicu wrote:
>> OK, I see now. The move in theory should be light weight, right? As
>> its just metadata that is changing (e.g. moving on the same
>> filesystem, not copying), right? Or is the job dir really in the
>> compute node RAM, and the move is actually doing a copy from CN RAM to
>> GPFS?
> 
> In Allan's case, I believe it's scratch -> gpfs.
> 
> It's still troubling to see 3 small files taking 3 minutes to be copied.
> 
>