On Tue, Aug 29, 2023 at 3:57 PM Rondat Flyag <rondatfl...@yandex.ru> wrote:
> I took the dump just to store it on another storage (external HDD). I > didn't do anything with it. > > 29.08.2023, 21:42, "Jeff Janes" <jeff.ja...@gmail.com>: > > > > On Tue, Aug 29, 2023 at 1:47 PM Rondat Flyag <rondatfl...@yandex.ru> > wrote: > > I have a legacy system that uses `Posgresql 9.6` and `Ubuntu 16.04`. > Everything was fine several days ago even with standard Postgresql > settings. I dumped a database with the compression option (maximum > compression level -Z 9) in order to have a smaller size (`pg_dump > --compress=9 database_name > database_name.sql`). After that I got a lot of > problems. > > > You describe taking a dump of the database, but don't describe doing > anything with it. Did you replace your system with one restored from that > dump? If so, did vacuum and analyze afterwards? > > Cheers, > > Jeff > > Since this is a very old system and backups are fairly I/O intensive, it is possible you have a disk going bad? Sometimes after doing a bunch of I/O on an old disk, it will accelerate its decline. You could be about to lose it altogether.