On Mon, Feb 13, 2017 at 5:10 PM, Thomas Kellerer <spam_ea...@gmx.net> wrote:
> Nikolai Zhubr schrieb am 13.02.2017 um 23:03: > >> Maybe I should have been more specific. >> What I need is debugging/profiling pure communication side of server >> operation, implying huge lots of requests and replies going over the >> wire to and from the server within some continued (valid) session, >> but so that the server is not actually doing anything above that (no >> sql, no locking, no synchronizing, zero usefull activity, just >> pumping network I/O) >> > My personal favorite is 'select 1' I know you're not looking for SQL, but, you gotta start somewhere... > >> > If you are willing to drop the "no sql" requirement you could use > something like > > select rpad('*', 100000000, '*'); > > this will send a lot of data over the wire, the SQL overhead should be > fairly small. > > You can send more data if you combine that with e.g. generate_series() > > > > > > > > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > -- -- Scott Mead Sr. Architect *OpenSCG <http://openscg.com>* http://openscg.com