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Unsupported effective_io_concurrency platforms

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Unsupported effective_io_concurrency platforms
Date: 2009-03-23 20:21:21
Message-ID: 200903232021.n2NKLLK17090@momjian.us (view raw or flat)
Thread:
Lists: pgsql-hackers
If a platform doesn't have posix_fadvise(), we don't allow
effective_io_concurrency to be set to anything but zero:

	test=> set  effective_io_concurrency = 1;
	ERROR:  1 is outside the valid range for parameter "effective_io_concurrency" (0 .. 0)
	test=> set  effective_io_concurrency = 0;
	SET

Do we want to give a more informative error message, like "not supported
on this platform?"

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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Next:From: Joshua D. DrakeDate: 2009-03-23 20:27:56
Subject: Re: Unsupported effective_io_concurrency platforms
Previous:From: Dimitri FontaineDate: 2009-03-23 20:11:49
Subject: Re: contrib function naming, and upgrade issues

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