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 1nXzhI-0007mn-S6 for pgsql-hackers@arkaria.postgresql.org; Sat, 26 Mar 2022 06:14:48 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1nXzhH-0006NH-Cf for pgsql-hackers@arkaria.postgresql.org; Sat, 26 Mar 2022 06:14:47 +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 1nXzhG-0006Jt-Uf for pgsql-hackers@lists.postgresql.org; Sat, 26 Mar 2022 06:14:47 +0000 Received: from mail-io1-xd2e.google.com ([2607:f8b0:4864:20::d2e]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1nXzhD-0000l8-Lp for pgsql-hackers@lists.postgresql.org; Sat, 26 Mar 2022 06:14:45 +0000 Received: by mail-io1-xd2e.google.com with SMTP id c23so11240247ioi.4 for ; Fri, 25 Mar 2022 23:14:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telsasoft-com.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=n25pfouoaQ8rj4PZNu9h172a/aZdPFYmyhAKcwFi1qI=; b=aiBb/0qR3qa/uKSlVbXOVVd3M0R6ZWd86bJ0njj8L2A/BADX4hDKx2moR99AzsOnTZ 2ovt055v0ah5nSxiuRaTG+CUsTQgiavGoHPj4iZymGJjesnmP4tzomrfCbzbqp3I9n4G XL6g3Sf0kBl5R5ju5HskT0Ng8/6TnBz7e7SGD/yoHiVXp2izQ6uzpzDM0yF9VHb/LNVL m9iHXaCiNGGhSNwf8he1Tv+ofpKTPMR8+0QSX9rBKXsd/3TIw5AMgMQk075rowi8tFhq F+CIMFtubMa6VUD9AfJRybOYDc4aaGMyK2obybrR3I+y9DWzoZmS2TKxUoKaId1zbhP1 mlVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=n25pfouoaQ8rj4PZNu9h172a/aZdPFYmyhAKcwFi1qI=; b=PRKAETPjUGLgVhtA5yluCg4N6hthGAXRwRd0tTIX/OOVYSUK/Eqsy2IuSxN0ot0rYN +WsGfLQogjTbSIooUu/N+lsHWoqrFT3B25kFdC6KYiakoGRWVNS1X2zvoBGjqeX/l+E0 PHvenlcuwCmcEdo8bqKljp4LeRS2WDUEBzpHu+9x2GAk3of6QXNCOktaxrK/mcCz0ub0 /uOSIc10+s4S8YO69nPS7H/3mh1mij7ez9y2ZEekFb3LZDeZuBG/ml9NX5rpyyGN+U/X 2eE7LVsTcMaztJ4V4Xxn5Zj+rzUFWFcY5WrgdCdyzzl6fwrZEp1wIwedYlw6ZYkpownh VHMQ== X-Gm-Message-State: AOAM5304JNkl0xHdZNYlkkCXxChjLTspWMM2AbnEEhyCxKflOx2Rne3w NIpCyzRj1BMTvixmNoc8AJKyEg== X-Google-Smtp-Source: ABdhPJxvd0Y33hmYYJNJRs6QECWbSiJYuXvu4Xi6n2x+ZNnzegzKvykxOTDMULEh990ADNqk1n7T7g== X-Received: by 2002:a02:93c1:0:b0:323:5d45:e47 with SMTP id z59-20020a0293c1000000b003235d450e47mr62443jah.188.1648275282914; Fri, 25 Mar 2022 23:14:42 -0700 (PDT) Received: from pryzbyj.telsasoft (charmander.telsasoft.com. [50.244.222.1]) by smtp.gmail.com with ESMTPSA id d16-20020a05660225d000b00645c8db7767sm4325108iop.35.2022.03.25.23.14.42 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 25 Mar 2022 23:14:42 -0700 (PDT) Received: by pryzbyj.telsasoft (Postfix, from userid 1000) id DF04C800DBA; Sat, 26 Mar 2022 01:14:41 -0500 (CDT) Date: Sat, 26 Mar 2022 01:14:41 -0500 From: Justin Pryzby To: Michael Paquier Cc: gkokolatos@pm.me, Rachel Heaton , Greg Stark , pgsql-hackers@lists.postgresql.org Subject: Re: Add LZ4 compression in pg_dump Message-ID: <20220326061441.GH28503@telsasoft.com> References: <20220304161039.GL27651@telsasoft.com> <20220325132253.GD28503@telsasoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Sat, Mar 26, 2022 at 02:57:50PM +0900, Michael Paquier wrote: > I have a question about 0002, actually. What has led you to the > conclusion that this code is dead and could be removed? See 0001 and the manpage. + 'pg_dump: compression is not supported by tar archive format'); When I submitted a patch to support zstd, I spent awhile trying to make compression work with tar, but it's a significant effort and better done separately.