On Tue, Feb 28, 2023 at 11:12:29AM +0530, Bharath Rupireddy wrote: > On Tue, Feb 28, 2023 at 5:52 AM Nathan Bossart <nathandboss...@gmail.com> > wrote: >> It's confusing to me that OldestInitializedPage is set to NewPageBeginPtr. >> Doesn't that set it to the beginning of the newest initialized page? > > Yes, that's the intention, see below. OldestInitializedPage points to > the start address of the oldest initialized page whereas the > InitializedUpTo points to the end address of the latest initialized > page. With this, one can easily track all the WAL between > OldestInitializedPage and InitializedUpTo.
This is where I'm confused. Why would we set the variable for the start address of the _oldest_ initialized page to the start address of the _newest_ initialized page? I must be missing something obvious, so sorry if this is a silly question. -- Nathan Bossart Amazon Web Services: https://aws.amazon.com