On 2017/04/12 0:22, Fujii Masao wrote:
> On Fri, Apr 7, 2017 at 9:53 AM, Amit Langote
> <langote_amit...@lab.ntt.co.jp> wrote:
>> On 2017/04/07 0:56, Fujii Masao wrote:
>>> On Tue, Apr 4, 2017 at 10:19 AM, Amit Langote
>>> <langote_amit...@lab.ntt.co.jp> wrote:
>>>> It seems pg_stat_progress_vacuum is not supposed to appear in the table
>>>> titled "Collected Statistics Views".  It was added by c16dc1aca.  Attached
>>>> patch fixes that.
>>>
>>> Instead, it should appear in the table of "Dynamic Statistics Views"
>>> because it reports dynamic info, i.e., progress, about VACUUM activity?
>>
>> I thought the same at first, but then realized we have a entirely separate
>> section 28.4. Progress Reporting.
> 
> Yes, but I don't think that removing that from 28.2 is an improvement
> for users.

Perhaps you're right.  Here's a patch that moves pg_stat_progress_vacuum
to the Dynamic Statistics Views table.

Thanks,
Amit
>From adfdaaa612c15cfa5c9d63cc80846336fe0bc0ca Mon Sep 17 00:00:00 2001
From: amit <amitlangot...@gmail.com>
Date: Wed, 12 Apr 2017 10:27:41 +0900
Subject: [PATCH] Move pg_stat_progress_vacuum to Table 28.1

Because, it sounds more like a Dynamic Statistics View than a Collected
Statistics view.
---
 doc/src/sgml/monitoring.sgml | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index d42a461ad9..2a83671b53 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -324,6 +324,14 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       </entry>
      </row>
 
+     <row>
+      <entry><structname>pg_stat_progress_vacuum</><indexterm><primary>pg_stat_progress_vacuum</primary></indexterm></entry>
+      <entry>One row for each backend (including autovacuum worker processes) running
+       <command>VACUUM</>, showing current progress.
+       See <xref linkend='vacuum-progress-reporting'>.
+      </entry>
+     </row>
+
     </tbody>
    </tgroup>
   </table>
@@ -515,12 +523,6 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       yet included in <structname>pg_stat_user_functions</>).</entry>
      </row>
 
-     <row>
-      <entry><structname>pg_stat_progress_vacuum</><indexterm><primary>pg_stat_progress_vacuum</primary></indexterm></entry>
-      <entry>One row for each backend (including autovacuum worker processes) running
-      <command>VACUUM</>, showing current progress.
-      See <xref linkend='vacuum-progress-reporting'>.</entry>
-     </row>
     </tbody>
    </tgroup>
   </table>
-- 
2.11.0

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