Re: block-level incremental backup

On Thu, Apr 11, 2019 at 1:29 PM Anastasia Lubennikova
<a(dot)lubennikova(at)postgrespro(dot)ru> wrote:
> 2) There should be a command to get only a map of changes without actual
> data.

Good idea.

> 4) The algorithm of collecting changed blocks is another topic.
> Though, it's API should be discussed here:
>
> Do we want to have multiple implementations?
> Personally, I think that it's good to provide several strategies,
> since they have different requirements and fit for different workloads.
>
> Maybe we can add a hook to allow custom implementations.

I'm not sure a hook is going to be practical, but I do think we want
more than one strategy.

> I'll be happy to help with design, code, review, and testing.
> Hope that my experience with pg_probackup will be useful.

Great, thanks!

--
Robert Haas
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