| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | PostgreSQL Advocacy <pgsql-advocacy(at)postgresql(dot)org> |
| Subject: | Re: Beta 1 Release Draft |
| Date: | 2013-05-03 01:27:03 |
| Message-ID: | 51831267.9080105@agliodbs.com |
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| Thread: | |
| Lists: | pgsql-advocacy |
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.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
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