From: | "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> |
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To: | 'Tom Lane' <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)postgreSQL(dot)org" <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | Re: Switch to unnamed POSIX semaphores as our preferred sema code? |
Date: | 2016-10-05 23:56:50 |
Message-ID: | 0A3221C70F24FB45833433255569204D1F5F831E@G01JPEXMBYT05 |
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From: pgsql-hackers-owner(at)postgresql(dot)org
> [mailto:pgsql-hackers-owner(at)postgresql(dot)org] 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.
+100
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.
Regards
Takayuki Tsunakawa
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