Re: Huge memory consumption on partitioned table with FKs

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: amitlangote09@gmail.com
Cc: keisuke.kuroda.3862@gmail.com
Cc: tatsuro.yamada.tf@nttcom.co.jp
Cc: pgsql-hackers@lists.postgresql.org
Cc: tatsuhito.kasahara.rd@hco.ntt.co.jp
Subject: Re: Huge memory consumption on partitioned table with FKs
Date: Thu, 3 Dec 2020 10:22:47 -0300
Message-ID: <20201203132247.GA17011@alvherre.pgsql> (raw)
In-Reply-To: <20201203.171316.1242674483141105976.horikyota.ntt@gmail.com>

Hello

I haven't followed this thread's latest posts, but I'm unclear on the
lifetime of the new struct that's being allocated in TopMemoryContext.
At what point are those structs freed?

Also, the comment that was in RI_ConstraintInfo now appears in
RI_ConstraintParam, and the new struct (RI_ConstraintInfo) is now
undocumented.  What is the relationship between those two structs?  I
see that they have pointers to each other, but I think the relationship
should be documented more clearly.

Thanks!

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