Re: Another small bug (pg_autovacuum)
От | Matthew T. O'Connor |
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Тема | Re: Another small bug (pg_autovacuum) |
Дата | |
Msg-id | 1063310892.13940.7.camel@zeutrh9 обсуждение исходный текст |
Ответ на | Re: Another small bug (pg_autovacuum) (Christopher Browne <cbbrowne@acm.org>) |
Ответы |
Re: Another small bug (pg_autovacuum)
Re: Another small bug (pg_autovacuum) |
Список | pgsql-hackers |
On Thu, 2003-09-11 at 08:12, Christopher Browne wrote: > Something I am feeling a little suspicious of is that I haven't seen, > in the logs, pg_autovacuum looking at pg_ tables. > > I know that if we don't periodically vacuum such system tables as > pg_class, pg_attribute, pg_statistic, and pg_type, they can get to > "pretty evil size." > > [Rummaging around...] These tables are being added for template1, but > apparently not for "main" databases. That looks like a bit of a fly > in the ointment... I designed it that way. It was my understanding that all of the system tables pg_class etc... are shared tables, available in all databases, but actually stored as only one central set of real tables. Hence vacuuming pg_class from template1 helps every database that accesses pg_class. Did I make a design error?
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