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Simplify and rename some GUC variables, per various recent discussions:

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* stats_start_collector goes away; we always start the collector process,
unless prevented by a problem with setting up the stats UDP socket.

* stats_reset_on_server_start goes away; it seems useless in view of the
availability of pg_stat_reset().

* stats_block_level and stats_row_level are merged into a single variable
"track_counts", which controls all reports sent to the collector process.

* stats_command_string is renamed to track_activities.

* log_autovacuum is renamed to log_autovacuum_min_duration to better reflect
its meaning.

The log_autovacuum change is not a compatibility issue since it didn't exist
before 8.3 anyway.  The other changes need to be release-noted.
This commit is contained in:
Tom Lane
2007-09-24 03:12:23 +00:00
parent 02138357ff
commit 48f7e64395
14 changed files with 182 additions and 351 deletions
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19
src/backend/utils/misc/postgresql.conf.sample
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@ -358,15 +358,10 @@
# - Query/Index Statistics Collector -
#stats_command_string = on
#track_activities = on
#track_counts = on
#update_process_title = on
#stats_start_collector = on # needed for block or row stats
# (change requires restart)
#stats_block_level = off
#stats_row_level = on
#stats_reset_on_server_start = off # (change requires restart)
# - Statistics Monitoring -
@ -381,13 +376,13 @@
#---------------------------------------------------------------------------
#autovacuum = on # enable autovacuum subprocess?
# 'on' requires stats_start_collector
# and stats_row_level to also be on
#autovacuum_max_workers = 3 # max # of autovacuum subprocesses
#autovacuum_naptime = 1min # time between autovacuum runs
#log_autovacuum = -1 # -1 is disabled, 0 logs all actions
# 'on' requires track_counts
# to also be on
#log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions
# and their durations, > 0 logs only
# actions running at least N msec.
#autovacuum_max_workers = 3 # max # of autovacuum subprocesses
#autovacuum_naptime = 1min # time between autovacuum runs
#autovacuum_vacuum_threshold = 50 # min # of tuple updates before
# vacuum
#autovacuum_analyze_threshold = 50 # min # of tuple updates before