[CentOS] To PAE or not to PAE...

Thu Jul 22 23:17:33 UTC 2010
JohnS <jses27 at gmail.com>

On Thu, 2010-07-22 at 23:42 +0100, Hakan Koseoglu wrote:
> Hi John,
> On 22/07/10 19:56, JohnS wrote:
> > Try about 69Gbytes& What are you fiddling with? limits.conf?
> I think you read my mail too quickly and wrote a reply in similar speed. 
> :) So did I read the original post too quickly and didn't realise he was 
> complaining about the memory hole...
> You're right to say PAE goes to 64GB although in the past various 
> distros had kernels compiled for different max addresses for various 
> reasons.
> 4GB address space still applies to 32 bit apps. To use more than 4GB 
> tricks as such 
> (http://www.puschitz.com/TuningLinuxForOracle.shtml#ConfiguringVeryLargeMemory) 
> need to be used. :)
> I haven't had to use these kinds of tricks for years since every machine 
> I encounter has 64 bits and Oracle runs nicely on them perfectly happily.
> I miss reading through Puschitz's tips & tricks. Lately all Oracle 
> versions run pretty much out of the box on CentOS/Upstream. No sense of 
> satisfaction from seeing it running after battling with it for hours. :)
> _---
LOL yea 64 is correct.  I said 69.  See my post earlier...