Re: Syncrep and improving latency due to WAL throttling

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От Alvaro Herrera
Тема Re: Syncrep and improving latency due to WAL throttling
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Msg-id 20230127082046.ydzyufv4xrpkp6t3@alvherre.pgsql
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Ответ на Re: Syncrep and improving latency due to WAL throttling  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
Ответы Re: Syncrep and improving latency due to WAL throttling
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On 2023-Jan-27, Bharath Rupireddy wrote:

> Looking at the patch, the feature, in its current shape, focuses on
> improving replication lag (by throttling WAL on the primary) only when
> synchronous replication is enabled. Why is that? Why can't we design
> it for replication in general (async, sync, and logical replication)?
> 
> Keeping replication lag under check enables one to provide a better
> RPO guarantee

Hmm, but you can already do that by tuning walwriter, no?

-- 
Álvaro Herrera

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