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 <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1kpIVq-0008EF-Dk
	for pgsql-hackers@arkaria.postgresql.org; Tue, 15 Dec 2020 22:09:42 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1kpIVI-0007Tz-Fc
	for pgsql-hackers@arkaria.postgresql.org; Tue, 15 Dec 2020 22:09:08 +0000
Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29])
	by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <cary.huang@highgo.ca>)
	id 1kpIVI-0007Ts-97
	for pgsql-hackers@lists.postgresql.org; Tue, 15 Dec 2020 22:09:08 +0000
Received: from mahout.postgresql.org ([2001:4800:3e1:1::227])
	by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <cary.huang@highgo.ca>)
	id 1kpIVE-0003Av-U6
	for pgsql-hackers@lists.postgresql.org; Tue, 15 Dec 2020 22:09:07 +0000
Received: from coridan.postgresql.org ([2001:4800:3e1:1::213])
	by mahout.postgresql.org with esmtps
 (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <cary.huang@highgo.ca>)
	id 1kpIVD-0006Cr-7A
	for pgsql-hackers@lists.postgresql.org; Tue, 15 Dec 2020 22:09:03 +0000
Received: from localhost ([127.0.0.1] helo=coridan.postgresql.org)
	by coridan.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <cary.huang@highgo.ca>)
	id 1kpIVC-0004fY-4G
	for pgsql-hackers@lists.postgresql.org; Tue, 15 Dec 2020 22:09:02 +0000
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: Re: pg_rewind copies
To: pgsql-hackers@lists.postgresql.org
From: Cary Huang <cary.huang@highgo.ca>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>
Date: Tue, 15 Dec 2020 22:08:50 +0000
User-Agent: pgcommitfest
X-cfsender: cary
In-Reply-To: <f67feb24-5833-88cb-1020-19a4a2b83ac7@iki.fi>
References: <f67feb24-5833-88cb-1020-19a4a2b83ac7@iki.fi>
 <f67feb24-5833-88cb-1020-19a4a2b83ac7@iki.fi>
Message-ID: <160807013024.1158.705820212542993455.pgcf@coridan.postgresql.org>
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Precedence: bulk
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=