Glyn Astill a écrit :
Using 8.3.1

No matter what I try I've never seen any evidence that autovacuum runs on my 
system.

I set

autovacuum_vacuum_threshold = 50

Then run a process to do updates on a table, shouldn't autovacuum kick in after 
50 updates?


Nope, it also depends on the number of rows of your table and on the configuration of the autovacuum_vacuum_scale_factor parameter.

You should also configure log_autovacuum_min_duration to 0 to see the autovacuum operations.

Regards.


--
Guillaume.
 http://www.postgresqlfr.org
 http://dalibo.com

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