Hi, On 2022-11-21 14:21:35 -0500, Tom Lane wrote: > Peter Eisentraut <peter.eisentr...@enterprisedb.com> writes: > >> To date testing database cluster wraparund was not easy as initdb has > >> always > >> inited it with default xid/mxid/mxoff. The option to specify any valid > >> xid/mxid/mxoff at cluster startup will make these things easier. > > > Doesn't pg_resetwal already provide that functionality, or at least some > > of it? > > pg_resetwal does seem like a better, more useful home for this; it'd > allow you to adjust these numbers after initial creation which might be > useful. I'm not sure how flexible it is right now in terms of where > you can set the new values, but that can always be improved.
IIRC the respective pg_resetwal parameters are really hard to use for something like this, because they don't actually create the respective SLRU segments. We of course could fix that. Greetings, Andres Freund
