| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: recovery modules |
| Date: | 2022-12-28 00:43:07 |
| Message-ID: | 20221228004307.mugyrl3qn4xpcsn4@awork3.anarazel.de |
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| Lists: | 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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