Re: LP_DEAD hinting and not holding on to a buffer pin on leaf page (Was: [WIP] Zipfian distribution in pgbench)

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: Kevin Grittner <kgrittn(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Alik Khilazhev <a(dot)khilazhev(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: LP_DEAD hinting and not holding on to a buffer pin on leaf page (Was: [WIP] Zipfian distribution in pgbench)
Date: 2017-07-28 16:26:55
Message-ID: 20170728162655.GA27420@marmot
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Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>Isn't it possible to confirm if the problem is due to commit
>2ed5b87f9? Basically, if we have unlogged tables, then it won't
>release the pin. So if the commit in question is the culprit, then
>the same workload should not lead to bloat.

That's a great idea. Alik?

--
Peter Geoghegan

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