Re: Time travel?

From: Kevin Grittner <kgrittn(at)gmail(dot)com>
To: Melvin Davidson <melvin6925(at)gmail(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Time travel?
Date: 2016-09-29 19:17:13
Message-ID: CACjxUsMyEAY5n4Oz5VC_=8CFdQJz7bXDjExSF_HcX985kkTxzA@mail.gmail.com
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On Thu, Sep 29, 2016 at 2:06 PM, Melvin Davidson <melvin6925(at)gmail(dot)com> wrote:

> I am using PostgreSQL 9.4.0 (Yes, I know 9.4.9 is most recent but
> it's out of my control)

As long as the decision-maker is aware that 9.4.0 has known bugs
(fixed in later minor releases) that can render the database
unusable without warning...

> How is it possible for the WAL file to be accessed BEFORE it was
> created?

Perhaps renaming it counts as "creation" without affecting access
time.

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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