Re: [Patch] Optimize dropping of relation buffers using dlist - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: [Patch] Optimize dropping of relation buffers using dlist
Date
Msg-id CAA4eK1LVpq2m11hMXiEZAG6rD-_xVcGwt5wLjZPbW2STpUaktw@mail.gmail.com
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In response to RE: [Patch] Optimize dropping of relation buffers using dlist  ("tsunakawa.takay@fujitsu.com" <tsunakawa.takay@fujitsu.com>)
List pgsql-hackers
On Tue, Sep 29, 2020 at 7:21 AM tsunakawa.takay@fujitsu.com
<tsunakawa.takay@fujitsu.com> wrote:
>
> From: Jamison, Kirk/ジャミソン カーク <k.jamison@fujitsu.com>
>
> Also, as Amit-san mentioned, the cause of the slight performance regression when shared_buffers is small needs to be
investigatedand addressed. 
>

Yes, I think it is mainly because extra instructions added in the
optimized code which doesn't make up for the loss when the size of
shared buffers is small.

--
With Regards,
Amit Kapila.



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