| From: | "Chris Hoover" <revoohc(at)gmail(dot)com> |
|---|---|
| To: | "pgsql-admin(at)postgresql(dot)org Admin" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | 8.3 Autovacuum Questions |
| Date: | 2008-07-14 20:26:08 |
| Message-ID: | 1d219a6f0807141326p16d86505o84642b8d49fa6ad8@mail.gmail.com |
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| Lists: | pgsql-admin |
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).
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)?
Thanks,
Chris
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