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From: Justin Pryzby <[email protected]>
To: Andres Freund <[email protected]>
Cc: [email protected]
Cc: Peter Geoghegan <[email protected]>
Subject: Re: Testing autovacuum wraparound (including failsafe)
Date: Fri, 23 Apr 2021 18:08:12 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

On Fri, Apr 23, 2021 at 01:43:06PM -0700, Andres Freund wrote:
> 2) FAILSAFE_MIN_PAGES is 4GB - which seems to make it infeasible to test the
>    failsafe mode, we can't really create 4GB relations on the BF. While
>    writing the tests I've lowered this to 4MB...

> For 2), I don't really have a better idea than making that configurable
> somehow?

Does it work to shut down the cluster and create the .0,.1,.2,.3 segments of a
new, empty relation with zero blocks using something like truncate -s 1G ?

-- 
Justin

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