It looks like you are running out of memory (RAM) and disk-swapping is 
accounting for the difference in times.


On Mar 13, 2010, at 3:43 AM, Ease Bus wrote:

> 
> Thanks all.  The amount of data on the Ubuntu staging server is a little bit 
> more than the data on my Leopard laptop.  So the slight difference in DB 
> access time seems reasonable.  What worries me is the intolerably long time 
> the Ubuntu machine takes to produce the views.  I also notice that the 
> ruby1.8 process on Ubuntu briefly shots up close 100% of the CPU during that 
> time.  Below are the specs of the computers
> 
> Snow Leopard Laptop :  MacBook Pro 2.53 GHz Intel Core 2 Duo, 4GB 1067 MHz 
> DDR3, 250.06 GB SATA hard drive
> ruby 1.8.7 (2008-08-11 patchlevel 72) [universal-darwin10.0]
> Rails 2.3.5
> mysql  Ver 14.14 Distrib 5.1.43, for apple-darwin10.2.0 (i386) using readline 
> 5.1
> Mongrel
> 
> Ubuntu 9.10 Server (old former custom built Windows xp computer):  Intel 
> Pentium 4 3.00 Ghz, 1G RAM, 18 (eighteen) GB hard drive. (IDE), 855 MB is 
> swap partition.
> ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux]
> Rails 2.3.5
> mysql  Ver 14.14 Distrib 5.1.37, for debian-linux-gnu (i486) using  EditLine 
> wrapper
> apache2
> Could the difference in hardware configuration explain the slowness in the 
> Ubuntu box?  
> 
> >> On my Leopard, I get: Completed in 643ms (DB: 322) | 302 Found
> >> For Ubuntu, I get:     Completed in 8803ms (DB: 517) | 302 Found

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