Re: Old BufferDesc refcount in PrintBufferDescs and PrintPinnedBufs

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, Jacob Brazeal <jacob(dot)brazeal(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Old BufferDesc refcount in PrintBufferDescs and PrintPinnedBufs
Date: 2025-01-19 18:47:34
Message-ID: 2752650.1737312454@sss.pgh.pa.us
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Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2025-01-19 09:37:54 +0900, Michael Paquier wrote:
>> Removal sounds good to me. Any objections from anybody?
>> Andres, perhaps you have some experience using that and would prefer
>> keep them and make them work?

> I think they're pretty useless, tbh. There's too many buffers that just
> printing them out is helpful - pg_buffercache is going to be a better
> bet. When debugging issues where pg_buffercache isn't an option (e.g. because
> it's a hang that doesn't allow running pg_buffercache), using
> DebugPrintBufferRefcount() is much more targeted.

Sounds like we're in agreement. I'll push Jacob's second patch.

regards, tom lane

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