* Heikki Linnakangas: > Currently, hint bit updates are not WAL-logged, and thus no full page > write is done when only hint bits are changed. Imagine what happens if > hint bits are updated on a page, but there's no other changes, and we > crash so that only one half of the new page version makes it to disk > (= torn page). The CRC would not match, even though the page is > actually valid.
The non-logged hint bit writes are somewhat dangerous anyway. Maybe it's time to get rid of this peculiarity, despite the performance impact? -- Florian Weimer <[EMAIL PROTECTED]> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99 -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
