Re: pg_dump why no indicator of completion

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Rui, 

I'll be the first to admit that in this case some of the servers that were procured for PostgreSQL are way too underspeced for the databases they are now hosting.  I am guessing that it's a result of the databases outgrowing their servers.

As I've asked Ron, if pg_dump isn't fit for purpose, then what do you believe is?

Thanks, 
rik.

On Mon, May 1, 2023 at 10:13 AM Rui DeSousa <rui@xxxxxxxxxxxxx> wrote:

On May 1, 2023, at 9:55 AM, richard coleman <rcoleman.ascentgl@xxxxxxxxx> wrote:

Are you writing that pg_dump is unfit for purpose and that I should be using a commercial backup solution instead?


pg_dump is a logical backup.  If you need a fast logical backup; then it’s the right tool.  To get a fast logical backup use the directory format, multiple threads (jobs), and turn off compression.  You shouldn’t have to wait days to get a logical backup; if so, maybe your system is too small and/or disks are too slow.

i.e.  pg_dump --format=d --file=prod --compress=0 —jobs=16 prod

However, for database backups a binary solution is best as it is faster and allows for point in time recovery if archiving is enabled.

Relying on logical backups as a backup solution seems like a bad idea.

-rui

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