Alvaro Herrera <[EMAIL PROTECTED]> writes: > Alvaro Herrera wrote: > >> The "other hint bits" are: >> >> - LP_DEAD as used by the various callers of ItemIdMarkDead. >> - PD_PAGE_FULL >> - BTPageOpaque->btpo_flags and btpo_cycleid >> >> All of them are changed with only SetBufferCommitInfoNeedsSave being >> called afterwards. > > I think we could get away with WAL-logging LP_DEAD via ItemIdMarkDead > similar to what is done to SetHintBits in the posted patch, and cope > with the rest by marking the page with the invalid checksum; they are > not so frequent anyway so the reliability loss is low.
If PD_PAGE_FULL is set and that causes the crc to be set to the invalid sum will we ever get another chance to set it? -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's RemoteDBA services! -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
