The following bug has been logged on the website: Bug reference: 6565 Logged by: Guillaume Cottenceau Email address: gcott...@gmail.com PostgreSQL version: 9.1.3 Operating system: not relevant Description:
9.0 release notes contain: """ E.8.3.1.4. GEQO Use the same random seed every time GEQO plans a query (Andres Freund) While the Genetic Query Optimizer (GEQO) still selects random plans, it now always selects the same random plans for identical queries, thus giving more consistent performance. You can modify geqo_seed to experiment with alternative plans. """ However, documentation up to 9.1 (pg website) say: http://www.postgresql.org/docs/9.1/static/runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO """GEQO's searching is randomized and therefore its plans may vary nondeterministically.""" I guess this sentence is outdated now? -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
