[Ti] Ti - progressively slowing down

[David Stodolsky]

On 25 Jun 2008, at 20:22, MB wrote:

> David Stodolsky said:
>
>> Swap space is normally only a Gig, you can see it under System Memory
>> in Activity Monitor in 10.5.3. This is an absolute value that is
>> unrelated to drive size, so giving it as a percent doesn't make  
>> sense.
>> However, on some Unix systems 20% is the recommended free space.
> It does make sense, in practice. Which was my point. Theory is fine,  
> but
> practical usage is where it counts, no?

The point was that these are independent issues. Drive performance is  
related to % free space. Swap file questions concern absolute free  
space, (eg. 5G).


>
> Also what one want for speed is more or less contiguous drive space.  
> It
> will work with less, but it will be slower, as have already been said.
> Also, I addressed swap needs of apps, like Photoshop or other memory
> intensive apps. These apps ALSO need to use the drive for temp files.
>
>> Once I get past 5 swap files, my system becomes more or less  
>> unusable.
>> I try to run with a single swap file (the min.), because the system
>> starts to slow down with multiple swap files and also can start make
>> errors. Unfortunately, OS X isn't that good at reducing swap files
>> when memory is freed up. So, I restart to clear the system out.
> Are you on 10.3? I have not had ANY problems with swapfiles since  
> 10.4.
> But then I have at least 20% free space on my HD.


10.5.3

20% free on a 360G drive is different than 20% free on a 36G drive.


dss

David Stodolsky  davidstodolsky at mac.com  Skype: davidstodolsky