Re: POC: Cleaning up orphaned files using undo logs - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: POC: Cleaning up orphaned files using undo logs
Date
Msg-id CAA4eK1LwYLrkjgbX-K9dz3vHGjeB4HUsAYK8ATWWe20CBEXrVA@mail.gmail.com
Whole thread Raw
In response to Re: POC: Cleaning up orphaned files using undo logs  (Dmitry Dolgov <9erthalion6@gmail.com>)
Responses Re: POC: Cleaning up orphaned files using undo logs
List pgsql-hackers
On Fri, Sep 17, 2021 at 9:50 PM Dmitry Dolgov <9erthalion6@gmail.com> wrote:
>
> > On Tue, Sep 14, 2021 at 10:51:42AM +0200, Antonin Houska wrote:
>
> * What happened with the idea of abandoning discard worker for the sake
>   of simplicity? From what I see limiting everything to foreground undo
>   could reduce the core of the patch series to the first four patches
>   (forgetting about test and docs, but I guess it would be enough at
>   least for the design review), which is already less overwhelming.
>

I think the discard worker would be required even if we decide to
apply all the undo in the foreground. We need to forget/remove the
undo of committed transactions as well which we can't remove
immediately after the commit.

-- 
With Regards,
Amit Kapila.



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