Re: Trouble Upgrading Postgres

Tom said:

>That's kind of odd: a COPY shouldn't really consume very much working
>memory. I suspect that much of the process's apparent VM consumption may
>be shared buffers ... what have you got shared_buffers set to on the old
>server? If it's more than half a GB or so, maybe reducing it would help.

This is not a VM, but hardware.

Adrian said:

>In addition to the other suggestions, what is the exact pg_dump command
>you are using?

The last time:

[postgres(at)mandj tmp]$ pg_dump martinandjones >
/mnt/4tbB/pgbackup/2018-11-02/mandj.bak

On Sun, Nov 4, 2018 at 8:16 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 11/4/18 2:55 PM, Charles Martin wrote:
> > Yep, you called it:
> >
> > Nov 2 20:30:45 localhost kernel: Out of memory: Kill process 30438
> > (postmaster) score 709 or sacrifice child
> > Nov 2 20:30:45 localhost kernel: Killed process 30438, UID 26,
> > (postmaster) total-vm:3068900kB, anon-rss:1695392kB, file-rss:1074692kB
> >
> > So it's running out of memory when trying to dump this table. The "old"
> > server has 4GB of ram, the "new" server 20GB.
> >
>
> In addition to the other suggestions, what is the exact pg_dump command
> you are using?
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>