mirror of
https://git.postgresql.org/git/postgresql.git
synced 2026-02-23 23:07:15 +08:00
Limit maintenance of time to xid mapping to once per minute. At least in the tested case this brings performance within 5% of when the feature is off, compared to several times slower without this patch. While there, fix comments and whitespace. Ants Aasma, with cosmetic adjustments suggested by Andres Freund Reviewed by Kevin Grittner and Andres Freund