| Re: Asynchronous FTP Upload [message #172088 is a reply to message #172086] |
Sun, 30 January 2011 16:02   |
Peter H. Coffin
Messages: 245
Registered: September 2010
Karma:
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Senior Member |
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On Sun, 30 Jan 2011 15:48:29 +0100, Luuk wrote:
> On 30-01-11 15:20, Jerry Stuckle wrote:
>> Not really. You're not going to get 1gb/sec. or even 200mb/sec. from
>> the disk drive, especially not continuously. So even if the download
>> speed on the other end is 200mb/sec, that's still not going to be a
>> limiting factor.
>>
>> And forcing the disk to pull data from several different files on the
>> disk will slow disk overall disk access even more, especially if the
>> files are contiguous.
>
> But if the files are send to 500 hosts, the file might be in cache, if
> enough memory is available, which should speed up disk-access again.. ;)
That'd be likely true for for a Very Large system, but I'd not bet on it
for the "hundreds of megabytes" original situation unles it's a
completely dedicated system/cache. There's still other processes going
on that are going to end up with their own stuff.
--
If any foreign minister begins to defend to the death a "peace
conference," you can be sure his government has already placed its
orders for new battleships and airplanes. -Joseph Stalin
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