Re: Beta 1 Release Draft

On Thu, May  2, 2013 at 06:27:03PM -0700, Josh Berkus wrote:
> On 05/02/2013 05:52 PM, Bruce Momjian wrote:
> > On Sat, Apr 27, 2013 at 04:53:24PM -0700, Josh Berkus wrote:
> >> In 9.3, PostgreSQL has switched from using SysV shared memory to using
> >> Posix shared memory and mmap for memory management.  This allows easier
> >> installation and configuration of PostgreSQL, but means that we need our
> >> users to rigorously test and ensure that no memory management issues
> >> have been introduced by the change.
> >
> > I am not aware of any additional memory testing available, unless you
> > are talkinga about mmap() perhaps being slower than SysV shared memory
> > on some operating systems.  Is that it?
>
> Yeah, or something we didn't anticipate, like Linux swapping the RAM out
> when we're still using it.

OK, my question is whether it deserves special mention as a testing
area.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +