aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorTom Lane <tgl@sss.pgh.pa.us>2006-09-25 22:12:24 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2006-09-25 22:12:24 +0000
commit0f8fc35a5a9824d4f50edef49ce000f104ca5e74 (patch)
tree0d1d548f2bab9e4b6cac58d9e07dff84b421752d /src
parentffae5cc5a6024b4e25ec920ed5c4dfac649605f8 (diff)
downloadpostgresql-0f8fc35a5a9824d4f50edef49ce000f104ca5e74.tar.gz
postgresql-0f8fc35a5a9824d4f50edef49ce000f104ca5e74.zip
Increase default value of effective_cache_size to 128MB, per discussion.
Diffstat (limited to 'src')
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample2
-rw-r--r--src/include/optimizer/cost.h4
2 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 40a205a501a..13408899dc3 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -195,7 +195,7 @@
#cpu_tuple_cost = 0.01 # same scale as above
#cpu_index_tuple_cost = 0.005 # same scale as above
#cpu_operator_cost = 0.0025 # same scale as above
-#effective_cache_size = 8000kB
+#effective_cache_size = 128MB
# - Genetic Query Optimizer -
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h
index e0250f5f396..ce61e261a95 100644
--- a/src/include/optimizer/cost.h
+++ b/src/include/optimizer/cost.h
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/optimizer/cost.h,v 1.80 2006/09/19 22:49:53 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/optimizer/cost.h,v 1.81 2006/09/25 22:12:24 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -27,7 +27,7 @@
#define DEFAULT_CPU_INDEX_TUPLE_COST 0.005
#define DEFAULT_CPU_OPERATOR_COST 0.0025
-#define DEFAULT_EFFECTIVE_CACHE_SIZE 1000 /* measured in pages */
+#define DEFAULT_EFFECTIVE_CACHE_SIZE 16384 /* measured in pages */
/*