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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2004-01-21 23:33:34 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2004-01-21 23:33:34 +0000 |
| commit | 672a80702824dafd7dfb6151c6d519dded320032 (patch) | |
| tree | efad184a01ee6eed406696f06d6323239c25071e /src/backend/utils/misc/postgresql.conf.sample | |
| parent | 4d2e94ef04d32198ed257bbf4f4e45d771a5ed0d (diff) | |
| download | postgresql-672a80702824dafd7dfb6151c6d519dded320032.tar.gz | |
Repair error apparently introduced in the initial coding of GUC: the
default value for geqo_effort is supposed to be 40, not 1. The actual
'genetic' component of the GEQO algorithm has been practically disabled
since 7.1 because of this mistake. Improve documentation while at it.
Diffstat (limited to 'src/backend/utils/misc/postgresql.conf.sample')
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 98d4d76d3a..0fdf6b2e99 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -123,10 +123,10 @@ #geqo = true #geqo_threshold = 11 -#geqo_effort = 1 -#geqo_generations = 0 #geqo_pool_size = 0 # default based on tables in statement, # range 128-1024 +#geqo_generations = 0 # use default: effort * log2(pool_size) +#geqo_effort = 40 # range 1-100 #geqo_selection_bias = 2.0 # range 1.5-2.0 # - Other Planner Options - |