Re: [HACKERS] CLUSTER command progress monitor

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Tatsuro Yamada <tatsuro(dot)yamada(dot)tf(at)nttcom(dot)co(dot)jp>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Rafia Sabih <rafia(dot)pghackers(at)gmail(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Subject: Re: [HACKERS] CLUSTER command progress monitor
Date: 2019-08-14 02:52:53
Message-ID: 20190814025253.GD14446@paquier.xyz
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On Wed, Aug 14, 2019 at 11:38:01AM +0900, Tatsuro Yamada wrote:
> On 2019/08/13 14:40, Tatsuro Yamada wrote:
>> On 2019/08/02 3:43, Alvaro Herrera wrote:
>>> Hmm, I'm trying this out now and I don't see the index_rebuild_count
>>> ever go up.  I think it's because the indexes are built using parallel
>>> index build ... or maybe it was the table AM changes that moved things
>>> around, not sure.  There's a period at the end when the CLUSTER command
>>> keeps working, but it's gone from pg_stat_progress_cluster.
>>
>> Thanks for your report.
>> I'll investigate it. :)
>
> I did "git bisect" and found the commit:
>
> 03f9e5cba0ee1633af4abe734504df50af46fbd8
> Report progress of REINDEX operations

I am adding an open item for this one.
--
Michael

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