Re: making relfilenodes 56 bits

From: Andres Freund <andres(at)anarazel(dot)de>
To: Hannu Krosing <hannuk(at)google(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: making relfilenodes 56 bits
Date: 2022-07-12 22:02:53
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Please don't top quote - as mentioned a couple times recently.

On 2022-07-12 23:00:22 +0200, Hannu Krosing wrote:
> Re: staticAssertStmt(MAX_FORKNUM <= INT8_MAX);
> Have you really thought through making the ForkNum 8-bit ?

MAX_FORKNUM is way lower right now. And hardcoded. So this doesn't imply a new
restriction. As we iterate over 0..MAX_FORKNUM in a bunch of places (with
filesystem access each time), it's not feasible to make that number large.


Andres Freund

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