W dniu 26 maja 2009 20:28 użytkownik Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> napisał:
>>> I believe the interpretation of autovacuum_naptime is that it should
>>> examine each database that often, ie once a minute by default. So
>>> it's got more than 30 databases per second to look through.
>> Note that this is correct in 8.1 and 8.2 but not 8.3 onwards.
> Oh? The current documentation still defines the variable thusly:
> Specifies the minimum delay between autovacuum runs on any given
> database. In each round the daemon examines the database and
> issues VACUUM and ANALYZE commands as needed for tables in that
> I suppose the use of "minimum" means that this is not technically
> incorrect, but it's sure not very helpful if there is some other
> rule involved that causes it to not behave as I said. (And if there
> is some other rule, what is that?) Please improve the docs.
After change autovacuum_naptime postgresql behave like you wrote before.
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