[CentOS] 64-bit CentOS - your experience

Tim Nelson tnelson at rockbochs.com
Mon Jun 29 15:15:57 UTC 2009


----- przemolicc at poczta.fm wrote:
> On Thu, Jun 25, 2009 at 06:56:01PM +0200, przemolicc at poczta.fm wrote:
> > Hello,
> > 
> > one of our developers is developing his Web applications
> (PHP-based+MySql) on 64-bit Fedora. He would like to use the same,
> 64-bit environment on CentOS. I am not against 64-bits (we use it for
> many, many years using Solaris) but what concerns me is the stability
> of 64-bit Linux. Can you share your experience regarding stability of
> 32-bit and 64-bit CentOS ? Does anybody use 64-bit CentOS in
> production (web applications) environment ?
> 
> Thank you all for your answers. It seems that stability of 64-bit
> CentOS is not an issue.
> 
> However, to continune this discussion, could you please explain why
> did you switch to 64-bit environment ?
> If you have databases and want to use buffer cache bigger then 4GB it
> is clear for me. In other words
> 64-bit for databases is perfect solution (unless your requirements for
> database cache are really small).
> But how about other environments like web servers, fileservers,
> application servers ?
> Why did you switch do 64-bit ? What did you gain (from technical point
> of view) ?
> 
> 

My choice of 64-bit was for two reasons:

The first, I run some pretty intense database rigs that are infinitely more robust on a 64 bit platform.

The second reason, any server grade hardware I buy is going to support 64 bit now. Why waste it? :-)

--Tim


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