List:General Discussion« Previous MessageNext Message »
From:mfatene Date:June 17 2005 10:14pm
Subject:Re: can innodb_buffer_pool_size be set > 2Gb on FreeBSD?
View as plain text  
pretty interesting. i'll test it for oracle. But the db_cache will be a simple
swap file. i don't think it's as good as real memory for dirty lists
management.

Mathias

Selon David Griffiths <dgriffiths@stripped>:

>
> I'll post something I heard about when looking into upgrading Oracle 8i
> from Windows to Oracle 10g on Linux.
>
> To get more memory for the process, you would enable big memory page,
> and then create an in-memory temp file system; you could then allocate
> extra memory for a process, and part of it would be swapped out to this
> temp file system in memory. Red Hat Advanced Server was the OS of choice
> for those who did it - I played around with it, but couldn't get Oracle
> to start with larger memory settings (we weren't running on RedHat AS).
> Maybe you'll have more luck.
>
> A good page that talked about this was,
>
> http://www.oracle-base.com/articles/Linux/LargeSGAOnLinux.php
>
> Good luck.
>
> David
>
> Jeff Smelser wrote:
>
> >On Friday 17 June 2005 02:38 pm, Brady Brown wrote:
> >
> >
> >>Have any of you MySQL/FreeBSD cats successfully set
> >>innodb_buffer_pool_size > 2G without runing into any of the memory
> >>allocation problems found on Linux platforms?
> >>
> >>
> >
> >It has nothing to do with linux.. its an x86 thing.. So no..
> >
> >However, some kernels have things to let you go over, but you get weird
> >results when doing so.
> >
> >Jeff
> >
> >
> >
>
>
> --
> MySQL General Mailing List
> For list archives: http://lists.mysql.com/mysql
> To unsubscribe:    http://lists.mysql.com/mysql?unsub=1
>
>


Thread
can innodb_buffer_pool_size be set > 2Gb on FreeBSD?Brady Brown17 Jun
  • Re: can innodb_buffer_pool_size be set > 2Gb on FreeBSD?Jeff Smelser17 Jun
    • Re: can innodb_buffer_pool_size be set > 2Gb on FreeBSD?David Griffiths17 Jun
      • Re: can innodb_buffer_pool_size be set > 2Gb on FreeBSD?mfatene18 Jun
  • Re: can innodb_buffer_pool_size be set > 2Gb on FreeBSD?mfatene18 Jun
  • 3G address space and large memory on x86 32bit (was: can innodb_buffer_pool_size be set > 2Gb on FreeBSD?)Jeremiah Gowdy18 Jun