On Tue, May 24, 2016 at 11:34 AM, Alvaro Herrera
> Tom Lane wrote:
>> Jeff Janes <jeff.ja...@gmail.com> writes:
>> > commit 1aba62ec made zero be an illegal value for effective_io_concurrency.
>> > i think this was an accident. If not, then the sample postgresql.conf
>> > (at least) needs to be updated.
>> It looks like the problem is that the new range check
>> + /* This range check shouldn't fail, but let's be paranoid */
>> + return (new_prefetch_pages > 0.0 && new_prefetch_pages < (double)
>> should be testing for >= 0.0 not > 0.0.
> Hmm, yeah, it looks like that's it. Will fix.
Thanks, works as expected now.
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