Re: emergency outage requiring database restart

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc: Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, Kevin Grittner <kgrittn(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: emergency outage requiring database restart
Date: 2016-10-22 00:43:37
Message-ID: 2077.1477097017@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> Jim Nasby wrote:
>> It occurs to me that it might be worth embedding the relation name in the
>> free space of the first block. Most people would never notice the missing 64
>> bytes, but it would be incredibly helpful in cases like this...

> Agreed. The problem is how to install it without breaking pg_upgrade.

Well, that's the first problem. The second problem is how to cope with
RENAME TABLE.

regards, tom lane

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