Re: ERROR: canceling statement due to statement timeout

On 01/11/2017 04:31 PM, Patrick B wrote:
> 2017-01-12 13:23 GMT+13:00 Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>>:
>

>
> It is not the same DB if it is on two different servers not
> connected by replication. More to the point statement_timeout is a
> client connection setting, so is the client you use to connect to
> server2 the same as the one you use for server1?
>
> Is AWS being 'helpful' and setting a timeout?
>
> Is there anything in the log before the ERROR shown above that
> indicates something is setting statement_timeout?
>
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>
>
>
> Same database, different database servers; server1 is the old Master
> server and I'm using it to compare.

Are you actually running 9.2 on AWS, as the lowest version I see is 9.3.

Might be helpful to run the below on server2:

select * from pg_settings where name='statement_timeout';

and see what source says:

https://www.postgresql.org/docs/9.2/static/view-pg-settings.html
>
> It is not the client, because if I run the query manually using explain
> analyze i get the error:
>
> live_db=> explain analyze
>
> SELECT DISTINCT id0
> FROM
> (SELECT
>
> [...]
>
> ERROR: canceling statement due to statement timeout
>
>
> just a remind that on server1 works, but on server2 it doesn't.

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com