On Fri, 31 Dec 2021 at 00:24, Tom Lane <t...@sss.pgh.pa.us> wrote: > Japin Li <japi...@hotmail.com> writes: >> On Thu, 30 Dec 2021 at 18:53, Guillaume Lelarge <guilla...@lelarge.info> >> wrote: >>> pg_dump works in a single transaction, so it's already dealt with >>> idle_in_transaction_timeout. Though I guess setting both would work too. > >> Attached fix this, please consider reveiew it. Thanks. > > This seems rather pointless to me. The idle-session timeout is only > activated in PostgresMain's input loop, so it will never be reached > in autovacuum or other background workers. (The same is true for > idle_in_transaction_session_timeout, so the fact that somebody made > autovacuum.c clear that looks like cargo-cult programming from here, > not useful code.) And as for pg_dump, how would it ever trigger the > timeout? It's not going to sit there thinking, especially not > outside a transaction. >
Thanks for your clarify! If the timeout never be reached, should we remove those settings? -- Regrads, Japin Li. ChengDu WenWu Information Technology Co.,Ltd.