Re: recovery modules - Mailing list pgsql-hackers

From Andres Freund
Subject Re: recovery modules
Date
Msg-id 20221228004307.mugyrl3qn4xpcsn4@awork3.anarazel.de
Whole thread Raw
In response to Re: recovery modules  (Nathan Bossart <nathandbossart@gmail.com>)
List pgsql-hackers
Hi,

On 2022-12-27 15:04:28 -0800, Nathan Bossart wrote:
> I'm sorry, I'm still lost here.  Wouldn't restoration via library tend to
> improve latency?  Is your point that clusters may end up depending on this
> improvement so much that a shell command would no longer be able to keep
> up?

Yes.


> I might be creating a straw man, but this seems like less of a concern
> for pg_rewind since it isn't meant for continuous, ongoing restoration.

pg_rewind is in the critical path of a bunch of HA scenarios, so I wouldn't
say that restore performance isn't important...

Greetings,

Andres Freund



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