From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Jerry LeVan <jerry(dot)levan(at)eku(dot)edu> |
Cc: | Postgres General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Shared Memory and Mac OS X |
Date: | 2005-02-22 04:01:03 |
Message-ID: | 5113.1109044863@sss.pgh.pa.us |
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Lists: | pgsql-general |
Jerry LeVan <jerry(dot)levan(at)eku(dot)edu> writes:
> There have been some recent discussions on Shared Memory problems
> in Darwin on the darwin-kernel list at lists.apple.com.
> The subject is : shm_open and mmap: Invalid argument?
> Tain't clear to me if this is relevant to the MacOS X and
> Postgresql shared memory problem that I see mentioned here
> from time to time... ( some of the discussion centers on
> releasing the segments).
Executive summary seems to be: the thread originator hit some of the
bugs that Darwin has with SysV shared memory, decided to try POSIX
shared memory instead, and found that that sucks even worse :-(
It certainly didn't inspire me to consider switching.
regards, tom lane
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