| From: | Martín Fernández <fmartin91(at)gmail(dot)com> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Behaviour when autovacuum is canceled |
| Date: | 2018-09-13 23:00:45 |
| Message-ID: | 5b9aebc53f8b8f4e0c000002@polymail.io |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
David,
Thanks a lot for the quick reply.
I clearly misunderstood the references in the code.
Best,
Martín
On Thu, Sep 13th, 2018 at 7:55 PM, "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
>
> On Thu, Sep 13, 2018 at 3:45 PM, Martín Fernández < fmartin91(at)gmail(dot)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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