effective_io_concurrency in 9.6beta

From: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: effective_io_concurrency in 9.6beta
Date: 2016-05-24 18:09:44
Message-ID: CAMkU=1w-5bvNurTU-MhkWUdroQLrGQC75-Q6R6xBRjiC--KuTw@mail.gmail.com
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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.

Cheers,

Jeff

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