On Thu, 2021-02-04 at 16:56 +0530, Atul Kumar wrote:
> I have 160 GB of RAM, postgres 9.6 is running on the server.
>
> after upgrade I ran the below command:
>
> "/usr/edb/as9.6/bin/vacuumdb" -U 'enterprisedb' --verbose --all -j 300
> --analyze-only
>
> after running that command I was not able to connect the database
> using psql for few minutes.
That is to be expected.
If you have 300 processes performing I/O and using CPU, your machine
will vertainly be overloaded.
Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com