On Sun, Apr 8, 2018 at 11:28 AM, pinker <pin...@onet.eu> wrote: > > > It's kinda mysterious... Any explanations? > Does it mean that the same buffers were written over and over again? > > Yeah, checkpoints will write all dirty buffers, but doesn't evict them. Next time the page is needed, it doesn't need to be re-read as it is still there.
Cheers, Jeff