John Doe wrote on Thu, 22 Jul 2010 02:25:13 -0700 (PDT):
> And that running in PAE would slow down some processes.
The overhead is minimal, if you want those extra 700 MB, do it.
Kai
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From: Hakan Koseoglu
> > In the past, I heard that these 700MB were normally reserved for bios or
>chipset
> It still is, even with with 64 bit. If your motherboard supports
> remapping this memory with 64 bit you can use the whole 4GB. Otherwise
> you're limited to 3.2:
>
> ha...@photon:~
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 di
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 ri
On 22/07/10 22:33, ken wrote:
> Is the 737M cached (in the output above) what is reserved for bios or
> chipset...? and what is gained back through remapping?
Nope, it simply means even if I had 2GB RAM, there'd be plenty I'm not
using for anything but cache - I don't do much on this laptop but
On Thu, 2010-07-22 at 17:55 -0400, ken wrote:
> On 07/22/2010 05:43 PM JohnS wrote:
I'm trying to catch up...
Is the 737M cached (in the output above) what is reserved for bios or
chipset...? and what is gained back through remapping?
---
The 737 is for Programs and Applications use and not fo
On Jul 22, 2010, at 12:51 PM, Markus Falb wrote:
> On 22/07/2010 19:07, 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 ext
On 07/22/2010 05:43 PM JohnS wrote:
> On Thu, 2010-07-22 at 17:33 -0400, ken wrote:
>> On 07/22/2010 02:39 PM Hakan Koseoglu wrote:
>>> JD,
>>> On 22/07/10 10:25, John Doe wrote:
I was wondering if anyone would know the cons of running a PAE kernel...?
I have a 4GB pc and was wondering i
On Thu, 2010-07-22 at 17:33 -0400, ken wrote:
> On 07/22/2010 02:39 PM Hakan Koseoglu wrote:
> > JD,
> > On 22/07/10 10:25, John Doe wrote:
> >> I was wondering if anyone would know the cons of running a PAE kernel...?
> >> I have a 4GB pc and was wondering if it was worth going the PAE way to gai
On 07/22/2010 02:39 PM Hakan Koseoglu wrote:
> JD,
> On 22/07/10 10:25, John Doe wrote:
>> I was wondering if anyone would know the cons of running a PAE kernel...?
>> I have a 4GB pc and was wondering if it was worth going the PAE way to gain
>> those exta 700MB...
> You should use 64 bit if possi
On 22/07/2010 11:25, John Doe wrote:
> Hi,
>
> I have a 4GB pc and was wondering if it was worth going the PAE way to gain
> those exta 700MB...
> In the past, I heard that these 700MB were normally reserved for bios or
> chipset
> stuff...
I installed a 32 bit centos and with the non-pae kernel
On 7/22/2010 1:50 PM, Markus Falb wrote:
> On 22/07/2010 19:58, Joseph L. Casale wrote:
>>> What is a program supposed to do to get at "that extra RAM" then ?
>>> Just curious ;-)
>>
>> AFAIK, it must be specifically compiled for it...
>
> I always thought PAE is quite transparent thing for user pr
>> I was wondering if anyone would know the cons of running a PAE kernel...?
>> I have a 4GB pc and was wondering if it was worth going the PAE way to gain
>> those exta 700MB...
> You should use 64 bit if possible but if you're seeing 3.2GB, it's more
> likely that your motherboard is not capable
On Thu, 2010-07-22 at 19:43 +0100, Hakan Koseoglu wrote:
> On 22/07/10 18:07, Warren Young wrote:
> > Very few programs can use PAE to get at that extra RAM. Can the
> > programs you run do this?
> With PAE you can utilize all of the extra RAM but each individual
> program will be limited to 3GB
On Thu, 22 Jul 2010, Markus Falb wrote:
> To: centos@centos.org
> From: Markus Falb
> Subject: Re: [CentOS] To PAE or not to PAE...
>
> On 22/07/2010 19:07, Warren Young wrote:
>> On 7/22/2010 3:25 AM, John Doe wrote:
>>>
>>> I have a 4GB pc and was wond
On 22/07/2010 19:58, Joseph L. Casale wrote:
>> What is a program supposed to do to get at "that extra RAM" then ?
>> Just curious ;-)
>
> AFAIK, it must be specifically compiled for it...
I always thought PAE is quite transparent thing for user programs. PAE
is a hardware feature and hardware ma
On 22/07/10 18:07, Warren Young wrote:
> Very few programs can use PAE to get at that extra RAM. Can the
> programs you run do this?
With PAE you can utilize all of the extra RAM but each individual
program will be limited to 3GB user space, you can fit a more of them
into 16GB, still using 32 b
JD,
On 22/07/10 10:25, John Doe wrote:
> I was wondering if anyone would know the cons of running a PAE kernel...?
> I have a 4GB pc and was wondering if it was worth going the PAE way to gain
> those exta 700MB...
You should use 64 bit if possible but if you're seeing 3.2GB, it's more
likely that
On Thu, 2010-07-22 at 17:58 +, Joseph L. Casale wrote:
> >What is a program supposed to do to get at "that extra RAM" then ?
> >Just curious ;-)
>
> AFAIK, it must be specifically compiled for it...
---
A PAE enabled Kernel:
NO. It is dependent on the mmap() call in the program as in how t
>What is a program supposed to do to get at "that extra RAM" then ?
>Just curious ;-)
AFAIK, it must be specifically compiled for it...
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On 22/07/2010 19:07, 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?
What is a progr
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 Youn
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
On Thursday 22 July 2010, John Doe wrote:
> Hi,
>
> I was wondering if anyone would know the cons of running a PAE kernel...?
> I have a 4GB pc and was wondering if it was worth going the PAE way to gain
> those exta 700MB...
> In the past, I heard that these 700MB were normally reserved for bios o
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