Thread

Re: Parallel Apply

Andrei Lepikhov <lepihov@gmail.com> — 2025-12-17T11:10:31Z

On 16/12/25 12:35, Hayato Kuroda (Fujitsu) wrote:
> Dear hackers,
> 
> I have been spending time for benchmarking the patch set. Here is an updated
> report.
>
I apologise if my question is incorrect. But what about asynchronous 
replication? Does this method help to reduce lag?

My case is a replica located far from the main instance. There are an 
inevitable lag exists. Do your benchmarks provide any insights into the 
lag reduction? Or the WALsender process that decodes WAL records from a 
hundred actively committing backends, a bottleneck here?

-- 
regards, Andrei Lepikhov,
pgEdge