(2018/03/03 5:01), Robert Haas wrote:
On Fri, Mar 2, 2018 at 1:20 PM, Robert Haas<robertmh...@gmail.com>  wrote:
On Fri, Mar 2, 2018 at 5:35 AM, Etsuro Fujita
<fujita.ets...@lab.ntt.co.jp>  wrote:
Agreed.  Better safe than sorry, so I disabled autovacuum for all the tables
created in the postgres_fdw regression test, except the ones with no data
modification created in the sections "test handling of collations" and "test
IMPORT FOREIGN SCHEMA".  I'm attaching a patch for that.

I have committed this patch.  Whee!

Thank you for taking the time on this!

And that seems to have made things worse.  The failures on rhinocerous
look related:

https://buildfarm.postgresql.org/cgi-bin/show_history.pl?nm=rhinoceros&br=HEAD

Totally outdated stats used in query planning causes the failures? ANALYZE right before the plan-changing queries would fix the failures?

And so does this failure on chub:

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=chub&dt=2018-03-02%2016%3A10%3A02

The Git log shows that this was done before the commit.

Best regards,
Etsuro Fujita

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