On Tue, Mar 13, 2012 at 11:34:16AM -0300, Alvaro Herrera wrote: > > Excerpts from Bruce Momjian's message of mar mar 13 11:14:43 -0300 2012: > > On Tue, Mar 13, 2012 at 12:33:09AM -0700, Daniel Farina wrote: > > > On Mon, Mar 12, 2012 at 8:10 PM, Bruce Momjian <br...@momjian.us> wrote: > > > > To answer your specific question, I think clearing the last analyzed > > > > fields should cause autovacuum to run on analyze those tables. What I > > > > don't know is whether not clearing the last vacuum datetime will cause > > > > the table not to be analyzed. > > > > > > Thank you very much for this reference. I will look into it. > > > > I assume a missing last_analyze would trigger an auto-analyze, > > You're wrong. Autovacuum does not consider time, only dead/live tuple > counts. The formulas it uses are in the autovacuum docs; some details > (such as the fact that it skips tables that do not have stat entries) > might be missing.
Oh, yes. Thank you for the correction; not sure what I was thinking. How would they trigger an autovacuum then? -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
