Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ktDyl-000227-Uh for pgsql-hackers@arkaria.postgresql.org; Sat, 26 Dec 2020 18:07:47 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ktDyk-0004p5-RG for pgsql-hackers@arkaria.postgresql.org; Sat, 26 Dec 2020 18:07:46 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ktDyk-0004oy-KP for pgsql-hackers@lists.postgresql.org; Sat, 26 Dec 2020 18:07:46 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ktDyi-0001ZS-J8 for pgsql-hackers@postgresql.org; Sat, 26 Dec 2020 18:07:45 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 0BQI7fZm1292320; Sat, 26 Dec 2020 13:07:41 -0500 From: Tom Lane To: Tomas Vondra cc: Andrey Borodin , pgsql-hackers Subject: Re: pglz compression performance, take two In-reply-to: <18a39267-341b-0424-2b05-9a0f54e55a9d@enterprisedb.com> References: <25991595-1848-4178-AA57-872B10309DA2@yandex-team.ru> <18a39267-341b-0424-2b05-9a0f54e55a9d@enterprisedb.com> Comments: In-reply-to Tomas Vondra message dated "Sat, 26 Dec 2020 16:10:20 +0100" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1292318.1609006061.1@sss.pgh.pa.us> Content-Transfer-Encoding: quoted-printable Date: Sat, 26 Dec 2020 13:07:41 -0500 Message-ID: <1292319.1609006061@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Tomas Vondra writes: > On 12/26/20 8:06 AM, Andrey Borodin wrote: >> I'm still in doubt should I register this patch on CF or not. I'm willi= ng to work on this, but it's not clear will it hit PGv14. And I hope for P= Gv15 we will have lz4 or something better for WAL compression. > I'd suggest registering it, otherwise people are much less likely to = > give you feedback. I don't see why it couldn't land in PG14. Even if lz4 or something else shows up, the existing code will remain important for TOAST purposes. It would be years before we lose interest in it. regards, tom lane