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From: Justin Pryzby <[email protected]>
To: Georgios <[email protected]>
Cc: [email protected]
Cc: Rachel Heaton <[email protected]>
Subject: Re: Add LZ4 compression in pg_dump
Date: Fri, 4 Mar 2022 10:10:39 -0600
Message-ID: <[email protected]> (raw)
In-Reply-To: <faUNEOpts9vunEaLnmxmG-DldLSg_ql137OC3JYDmgrOMHm1RvvWY2IdBkv_CRxm5spCCb_OmKNk2T03TMm0fBEWveFF9wA1WizPuAgB7Ss=@protonmail.com>
References: <faUNEOpts9vunEaLnmxmG-DldLSg_ql137OC3JYDmgrOMHm1RvvWY2IdBkv_CRxm5spCCb_OmKNk2T03TMm0fBEWveFF9wA1WizPuAgB7Ss=@protonmail.com>

The patch is failing on cfbot/freebsd.
http://cfbot.cputube.org/georgios-kokolatos.html

Also, I wondered if you'd looked at the "high compression" interfaces in
lz4hc.h ?  Should pg_dump use that ?

On Fri, Feb 25, 2022 at 08:03:40AM -0600, Justin Pryzby wrote:
> Thanks for working on this.  Your 0001 looks similar to what I did for zstd 1-2
> years ago.
> https://commitfest.postgresql.org/32/2888/
> 
> I rebased and attached the latest patches I had in case they're useful to you.
> I'd like to see zstd included in pg_dump eventually, but it was too much work
> to shepherd the patches.  Now that seems reasonable for pg16.
> 
> With the other compression patches I've worked on, we've used an extra patch
> with changes the default to the new compression algorithm, to force cfbot to
> exercize the new code.
> 
> Do you know the process with commitfests and cfbot ?
> There's also this, which allows running the tests on cirrus before mailing the
> patch to the hackers list.
> ./src/tools/ci/README

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