Re: pg_dump's results have quite different size

On Wed, Dec 14, 2016 at 9:29 AM, Kaijiang Chen <chenkaijiang(at)gmail(dot)com>
wrote:

> Yes. The pg_dump quits with the message:
>
> pg_dump: Dumping the contents of table "data_histories" failed:
> PQgetResult() failed.
> pg_dump: Error message from server: ERROR: canceling statement due to
> conflict with recovery
> DETAIL: User query might have needed to see row versions that must be
> removed.
> pg_dump: The command was: COPY public.data_histories (id, user_id,
> user_name, type, type_id, old_data, action, new_data, created_at,
> updated_at) TO stdout;
>

Ah, then it's just that your backup script is broken: it should have
reported the error.

Please do not top-post.
--
Alex