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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Kevin McKibbin <kevinmckibbin123@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: pgbench: could not connect to server: Resource temporarily unavailable
Date: Tue, 23 Aug 2022 23:06:33 -0400
Message-ID: <882038.1661310393@sss.pgh.pa.us> (raw)
In-Reply-To: <CA+hUKGL7MaCa=8syBxasMdOkkv1=hw3KhU1oEVekqFGNfgpv0g@mail.gmail.com>
References: <CADc_NKg2d+oZY9mg4DdQdoUcGzN2kOYXBu-3--RW_hEe0tUV=g@mail.gmail.com>
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	<84184.1661127637@sss.pgh.pa.us>
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	<114075.1661136913@sss.pgh.pa.us>
	<361175.1661187463@sss.pgh.pa.us>
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	<CA+hUKGL7MaCa=8syBxasMdOkkv1=hw3KhU1oEVekqFGNfgpv0g@mail.gmail.com>

Thomas Munro <thomas.munro@gmail.com> writes:
> Oh, one comment there is actually obsolete now AFAIK.  Unless there is
> some reason to think personality(ADDR_NO_RANDOMIZE) might not work in
> some case where sysctl -w kernel.randomize_va_space=0 will, I think we
> can just remove that.

AFAICS, f3e78069db7 silently does nothing on platforms lacking
ADDR_NO_RANDOMIZE and PROC_ASLR_FORCE_DISABLE.  Are you asserting
there are no such platforms?

(I'm happy to lose the comment if it's really useless now, but
I think we have little evidence of that.)

			regards, tom lane





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