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Re: Patch für MAP_HUGETLB for mmap() shared memory

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Christian Kruse <cjk+postgres@defunct.ch>
Cc: pgsql-hackers@postgresql.org
Date: 2012-10-29T20:33:25Z
Lists: pgsql-hackers 
Christian Kruse <cjk+postgres@defunct.ch> writes:
> I created a patch which implements MAP_HUGETLB for sysv shared memory segments 
> (PGSharedMemoryCreate). It is based on tests of Tom Lane and Andres Freund, I 
> added error handling, huge page size detection and a GUC variable.

My recollection is we'd decided not to pursue that because of fears that
it could make performance horribly worse on some platforms.

			regards, tom lane

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