Re: PROC_VACUUM_FOR_WRAPAROUND doesn't work expectedly - Mailing list pgsql-hackers

From Tom Lane
Subject Re: PROC_VACUUM_FOR_WRAPAROUND doesn't work expectedly
Date
Msg-id 3923.1205537332@sss.pgh.pa.us
Whole thread Raw
In response to Re: PROC_VACUUM_FOR_WRAPAROUND doesn't work expectedly  ("Pavan Deolasee" <pavan.deolasee@gmail.com>)
Responses Re: PROC_VACUUM_FOR_WRAPAROUND doesn't work expectedly  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
"Pavan Deolasee" <pavan.deolasee@gmail.com> writes:
> I also noticed that inside autovacuum_do_vac_analyze(), we save the old
> context (which is TopTransactionContext) and restore it back after vacuum()
> returns. But vacuum() might have started a new transaction invalidating the
> saved context. Do we see any problem here ?

I agree, that looks pretty darn bogus.  The other problem with it is
that it's running vacuum() in an indefinite-lifespan context.  Perhaps
that has something to do with the report we saw awhile back of autovac
leaking memory ...
        regards, tom lane


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