Hi pá 3. 7. 2020 v 4:39 odesílatel Fujii Masao <masao.fu...@oss.nttdata.com> napsal:
> > > On 2020/07/01 7:37, Peter Geoghegan wrote: > > On Tue, Jun 30, 2020 at 6:40 AM Fujii Masao <masao.fu...@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 for the comment! > > So I pushed the patch and changed default of track_planning to off. > Maybe there can be documented so enabling this option can have a negative impact on performance. Regards Pavel > > Regards, > > -- > Fujii Masao > Advanced Computing Technology Center > Research and Development Headquarters > NTT DATA CORPORATION > > >