On Thu, Mar 29, 2012 at 3:36 AM, <gcott...@gmail.com> wrote: > 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 I guess this sentence is outdated now?
Hmm, sounds like it. Does anyone think otherwise? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
