Re: track_planning causing performance regression - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: track_planning causing performance regression
Date
Msg-id CAH2-WzmYXtaeCtTEmU_37Eiu5AuRM3etinKFKo=posnLtcxe3g@mail.gmail.com
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In response to Re: track_planning causing performance regression  (Fujii Masao <masao.fujii@oss.nttdata.com>)
Responses Re: track_planning causing performance regression  (Fujii Masao <masao.fujii@oss.nttdata.com>)
List pgsql-hackers
On Tue, Jun 30, 2020 at 6:40 AM Fujii Masao <masao.fujii@oss.nttdata.com> wrote:
> Ants and Andres suggested to replace the spinlock used in pgss_store() with
> LWLock. I agreed with them and posted the POC patch doing that. But I think
> the patch is an item for v14. The patch may address the reported performance
> issue, but may cause other performance issues in other workloads. We would
> need to measure how the patch affects the performance in various workloads.
> It seems too late to do that at this stage of v13. Thought?

I agree that it's too late for v13.

Thanks
--
Peter Geoghegan



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