Re: Fastpath while arranging the changes in LSN order in logical decoding
| От | Dilip Kumar |
|---|---|
| Тема | Re: Fastpath while arranging the changes in LSN order in logical decoding |
| Дата | |
| Msg-id | CAFiTN-u4Moof3EzvxWCCxAc-cxGU3sYNSNGeMYpG=Oj4-O0q1Q@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Fastpath while arranging the changes in LSN order in logicaldecoding (Heikki Linnakangas <hlinnaka@iki.fi>) |
| Ответы |
Re: Fastpath while arranging the changes in LSN order in logical decoding
Re: Fastpath while arranging the changes in LSN order in logicaldecoding |
| Список | pgsql-hackers |
On Wed, 8 Jan 2020 at 5:28 PM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
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.
I haven’t really measured the performance for this. I will try to do that next week. Thanks for looking into this.
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