"Bagga, Rishu" <bagri...@amazon.com> writes: > The current SLRU pages do not have any header, so there is a need to > create a new page header format for these. Our investigations revealed > that we need to:
> 1. track LSN to ensure durability and consistency of all pages (for redo > and full page write purposes) > 2. have a checksum (for page correctness verification). > 3. A flag to identify if the page is a relational or BufferedObject > 4. Track version information. Isn't this a nonstarter from the standpoint of pg_upgrade? regards, tom lane