Chris Hoover escribió:
> I just have a couple of quick questions about 8.3 and Autovacuum.
> 1. When autovacuum chooses to vacuum a table, the entire table is vacuumed,
> and not just a specified percentage of the table. Correct?
> 2. There is no way, without turning autovacuum off, of excluding
> vacuum/analyze during a specific period of time (say during a known peak
> usage period).
Nope, no way. (You could have a script to update the
pg_autovacuum.enabled flag, and change it using cron.)
> 3. If I have a PostgreSQL cluster with 10 databases, does
> autovacuum_max_workers=3 mean I have a possibility of 3 total workers or 30
> workers (i.e. autovacuum_max_workers * number of db's)?
3 workers total.
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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