On Wed, Apr 27, 2022 at 11:24:11AM +0900, Kyotaro Horiguchi wrote: > Zhao Rui's proposal is retension of WAL files according to (the wrong > content of) control file. > > Aside from the fact that it may let slots be invalidated ealier, It's > not great that an acutally performed restartpoint is forgotten, which > may cause the next crash recovery starts from an already performed > checkpoint.
Yeah, I was analyzing this problem and took a look at what's proposed here, and I agree that what is proposed on this thread would just do some unnecessary work if we find ourselves in a situation where we we need to replay from a point earlier than necessary, aka the checkpoint that should have been already finished. -- Michael
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