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From: Justin Pryzby <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Andrey Borodin <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Heikki Linnakangas <[email protected]>
Cc: [email protected]
Cc: Thomas Munro <[email protected]>
Cc: Peter Geoghegan <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Robert Haas <[email protected]>
Subject: Re: wal_compression=zstd
Date: Thu, 10 Mar 2022 22:28:44 -0600
Message-ID: <[email protected]> (raw)
In-Reply-To: <YirAz/JQ/[email protected]>
References: <[email protected]>
	<YiG9hOS/[email protected]>
	<[email protected]>
	<[email protected]>
	<YirAz/JQ/[email protected]>

On Fri, Mar 11, 2022 at 12:23:59PM +0900, Michael Paquier wrote:
> On Wed, Mar 09, 2022 at 07:14:11AM -0600, Justin Pryzby wrote:
> > Anyway there's no compelling reason to not use the default.  If we were to use
> > a non-default default, we'd have to choose between 1 and 2 (or some negative
> > compression level).  My thinking was that zstd-1 would give the lowest-hanging
> > fruits for zstd, while minimizing performance tradeoff, since WAL affects
> > interactivity.  But choosing between 1 and 2 seems like bikeshedding.
> 
> Yeah, I have looked again at the patch today, and I saw no reason to
> not apply it to give more options to the user as zstd or lz4 are both
> good in their own ways.  So done, with the default level used.

It's great news - thanks.

-- 
Justin

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