Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtp (Exim 4.84_2)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1eJ147-0008DN-4i
	for pgsql-hackers@arkaria.postgresql.org; Sun, 26 Nov 2017 17:50:03 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.84_2)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1eJ146-0002gT-Eg
	for pgsql-hackers@arkaria.postgresql.org; Sun, 26 Nov 2017 17:50:02 +0000
Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29])
	by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256)
	(Exim 4.84_2)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1eJ146-0002gC-8L
	for pgsql-hackers@lists.postgresql.org; Sun, 26 Nov 2017 17:50:02 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
	by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256)
	(Exim 4.89)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1eJ143-0003Iv-Ac
	for pgsql-hackers@postgresql.org; Sun, 26 Nov 2017 17:50:01 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
	by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id vAQHnr2O016916;
	Sun, 26 Nov 2017 12:49:53 -0500
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Michael Paquier <michael.paquier@gmail.com>
cc: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>,
        Sawada Masahiko <sawada.mshk@gmail.com>,
        "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>,
        Robert Haas <robertmhaas@gmail.com>
Subject: Re: [HACKERS] More stats about skipped vacuums
In-reply-to: 
 <CAB7nPqROU_xdBpnTVK=TRJYkhtpkoZUw_yvpZjCYTDnLUt_Fig@mail.gmail.com>
References: 
 <CAB7nPqQm_WCKuUf5RD0CzeMuMO907ZPKP7mBh-3t2zSJ9jn+PA@mail.gmail.com>
 <20171116.193402.26276109.horiguchi.kyotaro@lab.ntt.co.jp>
 <CAB7nPqQV1Emkj=5VFzui250T6v+xcpRQ2RfHu_oQMbdXnZw3mA@mail.gmail.com>
 <20171121.160957.124460918.horiguchi.kyotaro@lab.ntt.co.jp>
 <CA+TgmoZtsZLMd8ku2fwjf=B9Txz8CKCLNkbmz1yzMy7CMU_eEg@mail.gmail.com>
 <CAB7nPqTQZyHXETX0sU-10XMRy3YS6QHF1iLBxPgPBKxAkXuMJw@mail.gmail.com>
 <1323.1511624064@sss.pgh.pa.us>
 <CAB7nPqRn50_CqOERtAjvOvzyaNfOre3HG2WJdZphXki6cox0FQ@mail.gmail.com>
 <8327.1511657959@sss.pgh.pa.us>
 <CAB7nPqROU_xdBpnTVK=TRJYkhtpkoZUw_yvpZjCYTDnLUt_Fig@mail.gmail.com>
Comments: In-reply-to Michael Paquier <michael.paquier@gmail.com>
	message dated "Sun, 26 Nov 2017 19:12:09 +0900"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <16914.1511718593.1@sss.pgh.pa.us>
Date: Sun, 26 Nov 2017 12:49:53 -0500
Message-ID: <16915.1511718593@sss.pgh.pa.us>
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

Michael Paquier <michael.paquier@gmail.com> writes:
> ... Would you think
> that it is acceptable to add the number of index scans that happened
> with the verbose output then?

I don't have an objection to it, but can't you tell that from VACUUM
VERBOSE already?  There should be a "INFO:  scanned index" line for
each scan.

			regards, tom lane