Re: Considerable performance downgrade of v11 and 12 on Windows - Mailing list pgsql-performance

Eugene Podshivalov schrieb am 29.11.2019 um 11:04:
> Imported ways data from a file and added a primary key.
> 
> SET synchronous_commit TO OFF;
> COPY ways FROM 'E:\ways.txt';

> ...
> COPY ways FROM PROGRAM 'cmd /c "type E:\ways.txt"';

Those two commands are not doing the same thing - the piping through the TYPE command is most probably eating all the
performance