Re: "effective_io_concurrency" cannot be changed error when starting 8.4.2 instance

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Kevin Kempter <kevink(at)consistentstate(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: "effective_io_concurrency" cannot be changed error when starting 8.4.2 instance
Date: 2010-02-09 01:13:48
Message-ID: 4207.1265678028@sss.pgh.pa.us
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Kevin Kempter <kevink(at)consistentstate(dot)com> writes:
> I get the below error when trying to start an 8.4.2 instance
> Anyone know what might be causing this?

> FATAL: parameter "effective_io_concurrency" cannot be changed

You're probably trying to set that on a platform that hasn't got the
necessary system calls to support it.

regards, tom lane

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