Re: 32bit vs 64bit Linux

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Author: kitepilot@kitepilot.com
Date:  
To: Main PLUG discussion list
Subject: Re: 32bit vs 64bit Linux
> I believe we are arguing semantics?
We are... :)


Lisa Kachold writes:

> Yes!
>
> On Fri, May 31, 2013 at 11:39 AM, <
> > wrote:
>
>> Lisa, what I was referring to specifically is 'Red Hat Enterprise Linux
>> Server release 6.4 (Santiago)' (from /etc/issue)
>> Those boxes '64-bit' boxes were unable to run 32-bit applications until I
>> installed the 32-bit libraries.
>> They technically were 'pure 64' until I 'fixed' them by installing such
>> libraries... :-)
>> ET
>>
> I believe we are arguing semantics?
>
> "fixed" them!
>
> The process for installation of any native 32 bit applications would, of
> course, include the installation of the required libraries.
>
> They do not need "fixing"?
>
>
>>
>>
>> Lisa Kachold writes:
>>
>>> This is patently incorrect:
>>> On Fri, May 31, 2013 at 10:44 AM, <
>>> > wrote:
>>>
>>>> Yes, you can get 'pure 64' systems (think Red Hat).
>>>> And you can 'fix them' by installing the hybrid 32-bit libraries, but I'd
>>>> rather stay away from it.
>>>> ET
>>>>
>>>
>>> CentOs 6 using regular repo used both 32bit and 64 bit libraries -
>>> seamlessly.
>>> There is no reason to "fix" anything in modern linux distributions.
>>> There once was, however this is no longer a factor.
>>>
>>>>
>>>> Nathan England writes:
>>>>
>>>>>
>>>>>
>>>>> I'll expand *your* question!
>>>>> Are there any *pure* 64-bit OS options out there? Beyond a linux from
>>>>> scratch build, which I have currently that is still pure 64-bit, what is
>>>>> there?
>>>>> every distro I know of has 32-bit libraries band-aided on to make some
>>>>> 32-bit that refuses to die run.
>>>>> Nathan
>>>>>
>>>>> On Friday, May 31, 2013 13:32:55 wrote:
>>>>>
>>>>>> Well, I'll expand the question...
>>>>>> Performance and memory access considerations aside, the reason why I
>>>>>> have
>>>>>> always 'gone 32' is because applications availability. Back when,
>>>>>> flash
>>>>>> was
>>>>>> the limiting factor because it was a PAIN to run it in 64 bits (if at
>>>>>> all
>>>>>> possible).
>>>>>> And some other things...
>>>>>> For years, I've been lazily sticking to 32 bits to avoid potentially
>>>>>> problematic issues. Now, if that landscape has changed, and
>>>>>> application-wise 32 and 64 bits are irrelevant, I'd certainly like to
>>>>>> convert to 64.
>>>>>> Question is (again, performance and memory access considerations
>>>>>> aside):
>>>>>> What are the potential problems of running on a pure 64 environment for
>>>>>> as
>>>>>> long as you stick to apt-get (or yum)?
>>>>>> ET
>>>>>> keith smith writes:
>>>>>> > Hi,
>>>>>> > > Even though I have 64bit hardware I always install the 32bit
>>>>>> version
>>>>>> of
>>>>>> > Linux. I do so because of the past discussions on this list that
>>>>>> made
>>>>>> me
>>>>>> > believe the 32bit OS was better because 64bit caching is actually
>>>>>> slower
>>>>>> > due to the requirement that the cache be filled to a certain point
>>>>>> before
>>>>>> > it is moved. I think I recall something about the amount of RAM
>>>>>> having
>>>>>> > some effect here also.
>>>>>> > > Using a 32bit version over a 64bit version seems counter intuitive,
>>>>>> > however that is what I have taken away from these conversations about
>>>>>> > 32bit vs 64bit Linux.
>>>>>> > > I'm using CentOS 6.x on a LAMP server that gets a low amount of
>>>>>> traffic. > However I may make the jump to Linux on my desktop this
>>>>>> summer.
>>>>>> (this
>>>>>> > will be my 3rd attempt to become M$ free except one VM so I can use
>>>>>> IE
>>>>>> > for testing) I think all of my hardware is 64bit. > > So that begs
>>>>>> the question, is 32bit better than 64bit or do I not
>>>>>> > understand the issue?
>>>>>> > > Thank you for your feedback.
>>>>>> > > Keith
>>>>>> > > ------------------------
>>>>>> > > Keith Smith
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>>>>>>
>>>>>>
>>>>> --
>>>>>
>>>>> Regards,
>>>>> Nathan England
>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~****~~~~~~~~~~~
>>>>>
>>>>> NME Computer Services http://www.nmecs.com
>>>>> Nathan England ()
>>>>> Systems Administration / Web Application Development
>>>>> Information Security Consulting
>>>>> (480) 559.9681
>>>>>
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>>>
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>
>
> --
>
> (503) 754-4452 Android
> (623) 239-3392 Skype
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