On Wed, 2025-02-12 at 10:14 +0530, srinivasan s wrote: > One of the tables in our database suddenly started growing very fast without > any changes to the environment. it has grown over 10GB in the last week and > this is causing performance issues. We ended up adding an index to solve the > performance problem but the table growth didn't stop. It is growing continuously. > we are using postgres version 12 on ubuntu That's a mistake. Use a supported version. As it is, you could be suffering from some already fixed (data corruption?) bug. > We are running a vacuum analsye on a full database every weekend and an auto > vacuum is set up. VACUUM (FULL) is also a mistake. It should be a regular VACUUM. Funny, you say that you are experiencing bloat. How can that be if you are running VACUUM (FULL)? Perhaps something is blocking VACUUM from removing dead rows: https://www.cybertec-postgresql.com/en/reasons-why-vacuum-wont-remove-dead-rows/ > My observation on the DB so far. > > [...] > > 3. Also noticed that there is a auto vacuum job running on the table with > (to prevent wraparound) > > I am not sure if this auto vacuum (to prevent wraparound) is progressing, > it is running for more than 15 hours and status is active. You should check "pg_stat_progress_vacuum" to see if the numbers are changing, that is, if there is actually any progress. That may also give you a clue as to how long it will still take. Yours, Laurenz Albe -- *E-Mail Disclaimer* Der Inhalt dieser E-Mail ist ausschliesslich fuer den bezeichneten Adressaten bestimmt. Wenn Sie nicht der vorgesehene Adressat dieser E-Mail oder dessen Vertreter sein sollten, so beachten Sie bitte, dass jede Form der Kenntnisnahme, Veroeffentlichung, Vervielfaeltigung oder Weitergabe des Inhalts dieser E-Mail unzulaessig ist. Wir bitten Sie, sich in diesem Fall mit dem Absender der E-Mail in Verbindung zu setzen. *CONFIDENTIALITY NOTICE & DISCLAIMER *This message and any attachment are confidential and may be privileged or otherwise protected from disclosure and solely for the use of the person(s) or entity to whom it is intended. If you have received this message in error and are not the intended recipient, please notify the sender immediately and delete this message and any attachment from your system. If you are not the intended recipient, be advised that any use of this message is prohibited and may be unlawful, and you must not copy this message or attachment or disclose the contents to any other person.
