On Fri, Apr 3, 2020 at 8:55 AM Dilip Kumar <dilipbal...@gmail.com> wrote: > > I think now I got the reason. Basically, both of these records are > storing the FPW, and FPW size can vary based on the hole size on the > page. If hold size is smaller the image length will be more, the > image_len= BLCKSZ-hole_size. So in subsequent records, the image size > is bigger. >
This means if we always re-create the database or may be keep full_page_writes to off, then we should get consistent WAL usage data for all tests. -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
