> [] On Behalf Of Tom Lane
> I've gotten a bit tired of seeing "could not create semaphores: No space
> left on device" failures in the buildfarm, so I looked into whether we should
> consider preferring unnamed POSIX semaphores over SysV semaphores.

Wonderful decision and cautious analysis.  This will make PostgreSQL more 
friendly to users, especially newcomers, by eliminating the need to tune kernel 
resources.  I wish other kernel resources (files, procs) will need no tuning 
like Windows, but that's just a daydream.

Takayuki Tsunakawa

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