On Sun, Feb 25, 2018 at 11:27 PM, Tom Lane wrote:
> Un-break parallel pg_upgrade.
> This is the cause of the intermittent failures buildfarm member jacana
> has been showing for the last month; evidently it is the only BF member
> configured to run the pg_upgrade test with parallelism enabled.
Se
Un-break parallel pg_upgrade.
Commit b3f840120 changed pg_upgrade so that it'd actually drop and
re-create the template1 and postgres databases in the new cluster.
That works fine, serially. With the -j option it's not so fine, because
other per-database jobs might be launched while the template1
