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From Les Mikesell <lesmikes...@gmail.com>
Subject Re: Update-Only Checkout Enhancement
Date Thu, 12 Dec 2013 01:10:54 GMT
On Wed, Dec 11, 2013 at 12:24 PM, Ben Reser <ben@reser.org> wrote:
> On 12/11/13 9:47 AM, Les Mikesell wrote:
>> Within reasonable limits it doesn't cost anything more to send more
>> network traffic.   But the cost of client disks scales up by the
>> number of clients.   Sometimes you can get by mounting a network disk
>> into all the clients, but then performance suffers, especially with
>> windows clients.
>
> Network traffic has scaling costs just like storage space.

Not exactly.  Network traffic is generally bursty.  Clients rarely
spend 100% of their time checking out files, so a very large number
could share a local network even if they always deleted their
workspaces and checked out fresh copies.  But when storing the
pristine copies, they can't share anything - even if you map a shared
network volume you don't want to share the workspaces.

> If we'd made the
> decision to not store pristines and you had to go to the server for pristine
> copies then the discussion here would be reversed.  Someone would be asking why
> we don't just store pristines and pointing out how disk space is cheap compared
> to the cost of converting their entire network to have more capacity.

Sure - if you aren't local or the server is overloaded it is nice to
have the pristine copies.

>  Can't
> make everyone happy all the time.

Well, that's why programs have options - all situations are not the same...

-- 
   Les Mikesell
      lesmikesell@gmail.com

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