Hi Thanks for the help but this will not help, killing other process is not safe The good way will be that pg_repack tools include a timeout so, that after expiration delay, he will stop waiting and discard the repack action
But thanks again for your proposition. Regards, Nicolas -----Message d'origine----- De : dep...@depesz.com <dep...@depesz.com> Envoyé : lundi 13 janvier 2025 16:42 À : nicolas <nicolas75...@yahoo.fr> Cc : pgsql-general@lists.postgresql.org Objet : Re: pg_repack and locks On Mon, Jan 13, 2025 at 12:40:06PM +0000, nicolas wrote: > Hello everyone, > > We are using postgresql v12 and added the pg_repack package > > Since I cannot stop other process, I use the “--no-kill-backend” and > Pg_repack will wait indefinitly until pg_repack get the lock > > I get sometimes a problem of lock: > > sometimes, I get indefinitly this message : “NOTICE: Waiting for 1 > transactions to finish. First PID: xxxx” > > this is a real problem because the database is usd all the time. > If I kill the process, a trigger on source table will still exist and > temporary tables and type still exists in the repack schema. The tables are > not empty if data has been modified in the source table during the repack. > > If I drop table repack tables, I will loose all data modifications > done on source table how can I properly cleanup the database ? Allow it to kill offending backends after some time? For example -T 7200? Best regards, depesz