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-rw-r--r--src/backend/utils/misc/guc.c2
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index fa3c8a79050..859ef931e71 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3248,7 +3248,7 @@ static struct config_real ConfigureNamesReal[] =
},
{
- {"vacuum_cleanup_index_scale_factor", PGC_USERSET, AUTOVACUUM,
+ {"vacuum_cleanup_index_scale_factor", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Number of tuple inserts prior to index cleanup as a fraction of reltuples."),
NULL
},
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index f43086f6d06..9e39baf4668 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -575,6 +575,9 @@
#vacuum_freeze_table_age = 150000000
#vacuum_multixact_freeze_min_age = 5000000
#vacuum_multixact_freeze_table_age = 150000000
+#vacuum_cleanup_index_scale_factor = 0.1 # fraction of total number of tuples
+ # before index cleanup, 0 always performs
+ # index cleanup
#bytea_output = 'hex' # hex, escape
#xmlbinary = 'base64'
#xmloption = 'content'