Re: Resumable vacuum proposal and design overview

Galy Lee <lee.galy@oss.ntt.co.jp> writes:
> If we can stop at any point, we can make maintenance memory large
> sufficient to contain all of the dead tuples, then we only need to
> clean index for once. No matter how many times vacuum stops,
> indexes are cleaned for once.

I beg your pardon?  You're the one who's been harping on the
table-so-large-it-takes-days-to-vacuum scenario.  How you figure that
you can store all the dead TIDs in working memory?
        regards, tom lane