Search Postgresql Archives

Re: autovacuum, xid wraparound, pg_database column values

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



"shakahshakah@xxxxxxxxx" <shakahshakah@xxxxxxxxx> writes:
> I'm trying to make sense of Section 22.1.3 ("Preventing transaction ID
> wraparound failures") in the on-line docs to make sure the DB's
> autovacuum settings are adequate and are having an effect.
> ...
> I don't see numbers larger than 1 billion in my pg_database columns,
> though.

The pg_database columns only update when you do a database-wide VACUUM,
which is something that autovacuum only undertakes when it sees that
the age values are getting large.  I forget the exact threshold, but
at ~28M transactions you are certainly a long way away.

			regards, tom lane


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux