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

But it would allow other usages of that RAM.  cache.  Other programs with great memory usage.

Of course, as mentioned earlier, you would have to test with your workload whether the extra overhead is more than made up with the extra memory availability.

On Jul 22, 2010, at 12:07 PM, Warren Young wrote:

> On 7/22/2010 3:25 AM, John Doe wrote:
>> 
>> I have a 4GB pc and was wondering if it was worth going the PAE way to gain
>> those exta 700MB...
> 
> Very few programs can use PAE to get at that extra RAM.  Can the 
> programs you run do this?
> 
> Is your CPU 64-bit capable?  That's generally a better idea than PAE. 
> Keep in mind that PAE is Pentium Pro era technology.
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