| From: | "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Euler Taveira <euler(at)eulerto(dot)com> |
| Subject: | RE: Delay the variable initialization in get_rel_sync_entry |
| Date: | 2022-01-05 05:51:44 |
| Message-ID: | OS0PR01MB571696B7BEDC543ED8B94822944B9@OS0PR01MB5716.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
On Wednesday, January 5, 2022 9:31 AM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
> On Fri, Dec 24, 2021 at 01:27:26PM +0000, houzj(dot)fnst(at)fujitsu(dot)com wrote:
> > Here is the perf result of pgoutput_change after applying the patch.
> > I didn't notice something else that stand out.
> >
> > |--2.99%--pgoutput_change
> > |--1.80%--get_rel_sync_entry
> > |--1.56%--hash_search
> >
> > Also attach complete profiles.
>
> Thanks. I have also done my own set of measurements, and the difference is
> noticeable in the profiles I looked at. So, applied down to 13.
Thanks for pushing!
Best regards,
Hou zj
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