Maybe you can priorize your worker with a ionice? ----- Mail original ----- De: "Mike Christensen" <mike@xxxxxxxxxxxxx> À: "Prabhjot Sheena" <prabhjot.sheena@xxxxxxxxxxxxxx> Cc: pgsql-admin@xxxxxxxxxxxxxx, "Forums postgresql" <pgsql-general@xxxxxxxxxxxxxx> Envoyé: Lundi 7 Juillet 2014 16:15:18 Objet: Re: [ADMIN] [GENERAL] WARNING: database must be vacuumed within 8439472 transactions Sounds like you just have to wait until it finishes.. On Mon, Jul 7, 2014 at 12:56 PM, Prabhjot Sheena < prabhjot.sheena@xxxxxxxxxxxxxx > wrote: Hello We are using postgresql 8.3 database for last 5 yrs for this production database and its running fine. This is our critical database which runs 24*7. This weekend we started getting these messages HINT: To avoid a database shutdown, execute a full-database VACUUM. WARNING: database must be vacuumed within 8439472 transactions i am currently running this command vacuumdb --analyze db while this command is running i m still getting these messages WARNING: database must be vacuumed within 2645303 transactions. The value of number of transactions is going down every minute Can anyone tell me what is the best way to sort up this issue. Thanks Avi