Re: RHEL 32 bit + Oracle SE One max memory?
- From: Niall Litchfield <niall.litchfield@xxxxxxxxx>
- To: Chris.Stephens@xxxxxxx
- Date: Thu, 16 Dec 2010 21:35:02 +0000
You might also point to the current top tpc-c price/performance benchmark
that runs SE-1 with 96gb RAM in the server :)
http://www.tpc.org/results/individual_results/HP/HP_ML350_G6_OEL_TPCC_100816_ES.pdf
-
certainly no license or physical limit there.
On Thu, Dec 16, 2010 at 8:06 PM, Stephens, Chris <Chris.Stephens@xxxxxxx>wrote:
> This is the kind of justification I was looking for. :)
>
> Thanks!
>
> I have no idea why they continue to install 32 bit RHEL on 64 bit hardware.
>
> -----Original Message-----
> From: William Muriithi [mailto:william.muriithi@xxxxxxxxxxxxxxxxxxx]
> Sent: Thursday, December 16, 2010 2:04 PM
> To: Stephens, Chris
> Cc: ORACLE-L
> Subject: Re: RHEL 32 bit + Oracle SE One max memory?
>
> Stephen
> >
> >
> > Is it worth insisting on 64 bit RHEL given only 8GB of ram?
> >
>
> Definitely yes. If you were running an application that is using less than
> 4 GB, its fine using a 32 bit OS. However, the moment you have a software
> using more than that, its more efficient using a 64 bit RHEL5. There will
> be a remap of address in upper memory that will be done from the lower
> memory in 32 bit OS. That make the system slower and harder to manage.
>
> The other problem is, if there is an exhaustion of lower memory, OOM killer
> will attempt to clear memory and once in a while, that will result to the
> database being the candidate. That can result in data inconsistency and a
> rough night. So why use a 32 bit kernel when the 64 bit kernel has long
> been so stable and reliable? Seriously, I can not think of a single reason
> why it would be preferable to use a 32 bit RHEL5. Unless you really have
> fun fighting unnecessary fires
>
> Or, someone does not want to do a re-installation, but that is not a good
> reason as the effort invested in re-installation is less that the effort
> that will be needed to support the database over the life of that hardware.
> That or, there is already services running that will be sharing the same
> hardware
>
> > Anyone know how much memory I can allocation to 32bit SE One? Got a
> link? I can find the minimums but am having trouble locating the maximums.
> >
> > Thanks!
> > Chris
> >
> >
> > CONFIDENTIALITY NOTICE:
> > This message is intended for the use of the individual or entity to which
> it is addressed and may contain information that is privileged, confidential
> and exempt from disclosure under applicable law. If the reader of this
> message is not the intended recipient or the employee or agent responsible
> for delivering this message to the intended recipient, you are hereby
> notified that any dissemination, distribution or copying of this
> communication is strictly prohibited. If you have received this
> communication in error, please notify us immediately by email reply.
> >
> >
> William
>
> CONFIDENTIALITY NOTICE:
> This message is intended for the use of the individual or entity to
> which it is addressed and may contain information that is privileged,
> confidential and exempt from disclosure under applicable law. If the reader
> of this message is not the intended recipient or the employee or agent
> responsible for delivering this message to the intended recipient, you are
> hereby notified that any dissemination, distribution or copying of this
> communication is strictly prohibited. If you have received this
> communication in error, please notify us immediately by email reply.
>
>
> --
> //www.freelists.org/webpage/oracle-l
>
>
>
--
Niall Litchfield
Oracle DBA
http://www.orawin.info
Other related posts:
