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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: (view raw, whole thread or download thread mbox)
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;

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

  Bruce Momjian  <bruce(at)momjian(dot)us>

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


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Subject: Re: Unsupported effective_io_concurrency platforms
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