On Thu, Sep 13, 2018 at 3:45 PM, Martín Fernández <fmarti...@gmail.com>
wrote:

> From what I could understand (that can be totally wrong), the vacuum
> process is split in multiple small transactions. If the autovacuum is
> canceled, could it be possible that only the latest transaction work be
> lost
>

>From the docs:

"VACUUM cannot be executed inside a transaction block."

As it is non-transactional any work it performs is live immediately and
irrevocably as it occurs.

David J.

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