Tom Lane wrote: > Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes: >> In particular I wonder why we bother with the page headers. A much >> simpler format would be: > >> - get rid of page headers, except for the header at the beginning of >> each WAL segment >> - get rid of continuation records >> - at the end of WAL segment, when there's not enough space to write the >> next WAL record, always write an XLOG SWITCH record to fill the rest of >> the segment. > > What do you do with a WAL record that doesn't fit in a segment? (They > do exist.) I don't think you can eliminate continuation records. > You could maybe use them only at segment boundaries but I doubt that > makes things any simpler than they are now.
Hmm, yeah, it doesn't make it that much simpler then. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
