Re: Best suiting OS

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От Gerhard Wiesinger
Тема Re: Best suiting OS
Дата
Msg-id alpine.LFD.2.00.0910042226240.11399@bbs.intern
обсуждение исходный текст
Ответ на Re: Best suiting OS  (Mark Mielke <mark@mark.mielke.cc>)
Список pgsql-performance
On Sun, 4 Oct 2009, Mark Mielke wrote:

> On 10/04/2009 01:55 PM, Devrim GÜNDÜZ wrote:
>> On Sun, 2009-10-04 at 10:05 -0400, Mark Mielke wrote:
>>
>>> So any comparisons between operating system *distributions* should be
>>> fair. Comparing a 2007 release to a 2009 release, for example, is not
>>> fair. RHEL / CentOS are basically out of the running right now,
>>> because
>>> they are so old.
>>>
>> Some people call these "stability" .
>>
>
> Note that if a deployment is running well, and has been running well for
> years, there is probably no reasonable justification to change it. My
> comments are for *new* deployments. If somebody were to come to you with a
> *new* deployment request, what would you recommend? Would you really
> recommend RHEL 5 *today*?
>

I use the following systems:
RHEL4
RHEL5
Fedora 11, latest updates and kernels.

Basically, all systems are stable but all of them have "problems":
RHEL4, RHEL5: Old, but proven systems, missing new features and still
bugs that have already been fixed.
Fedora 11: Bleeding edge system, but with new bugs and systems are
getting even slower with newer kernels:-(

Examples are major bugs in latest kernels in the CFQ scheduler:
http://bugzilla.kernel.org/show_bug.cgi?id=13401#c16

Linux kernel slows down:
http://www.theregister.co.uk/2009/09/22/linus_torvalds_linux_bloated_huge/
http://www.phoronix.com/scan.php?page=article&item=fedora_test_2008&num=4

So software will always have either less features or bugs :-) So it is
always a tradeoff between stability and bleeding edge.

Ciao,
Gerhard

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