Re: pgbench randomness initialization
| От | Alvaro Herrera |
|---|---|
| Тема | Re: pgbench randomness initialization |
| Дата | |
| Msg-id | 20160407155132.GA494251@alvherre.pgsql обсуждение исходный текст |
| Ответ на | Re: pgbench randomness initialization (Fabien COELHO <coelho@cri.ensmp.fr>) |
| Ответы |
Re: [HACKERS] pgbench randomness initialization
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| Список | pgsql-hackers |
Fabien COELHO wrote: > While testing it I had a funny pattern, something like: > > pgbench --random-seed=123 -M prepared -T 3 -P 1 -S > 1.0: 600 tps > 2.0: 600 tps > 3.0: 600 tps The output should include the random seed used, whether it was passed with --random-seed, environment variable or randomly determined. That way, the user that later wants to verify why a particular run caused some particular misbehavior knows what seed to use to reproduce that run. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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