On Fri, May 4, 2018 at 11:41 AM, Andres Freund <and...@anarazel.de> wrote: > Hi, > > Currently there's no convenient way to get a corrupted page (be it a > checksum failure, corrupted pd_upper/lower or whatnot) via pageinspect's > get_raw_page(). Given that pageinspect is kind of our tool to do inspect > issues on a data level that's not so great. > > I therefore propose that we add an *option* that bypasses shared buffers > and reads the underlying data directly. And then skips over the > validation. I'm not 100% sure if this should be done unconditionally, > or only if the item wasn't found in cache. There's some coherency > differences, obviously.
+1. This would be a good option for amcheck, too. -- Peter Geoghegan
