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Re: Fastpath while arranging the changes in LSN order in logicaldecoding - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: Fastpath while arranging the changes in LSN order in logicaldecoding
Date
Msg-id 24e8f688-5750-8967-0339-6c9b5f112c51@iki.fi
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In response to Fastpath while arranging the changes in LSN order in logical decoding  (Dilip Kumar <dilipbalaut@gmail.com>)
Responses Re: Fastpath while arranging the changes in LSN order in logical decoding  (Dilip Kumar <dilipbalaut@gmail.com>)
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On 25/11/2019 05:52, Dilip Kumar wrote:
> In logical decoding, while sending the changes to the output plugin we
> need to arrange them in the LSN order.  But, if there is only one
> transaction which is a very common case then we can avoid building the
> binary heap.  A small patch is attached for the same.

Does this make any measurable performance difference? Building a 
one-element binary heap seems pretty cheap.

- Heikki

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