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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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65
src/include/pgstat.h
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@ -5,7 +5,7 @@
*
* Copyright (c) 2001-2007, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/pgstat.h,v 1.66 2007/09/20 17:56:32 tgl Exp $
* $PostgreSQL: pgsql/src/include/pgstat.h,v 1.67 2007/09/24 03:12:23 tgl Exp $
* ----------
*/
#ifndef PGSTAT_H
@ -452,11 +452,8 @@ typedef struct PgBackendStatus
* GUC parameters
* ----------
*/
extern bool pgstat_collect_startcollector;
extern bool pgstat_collect_resetonpmstart;
extern bool pgstat_collect_tuplelevel;
extern bool pgstat_collect_blocklevel;
extern bool pgstat_collect_querystring;
extern bool pgstat_track_activities;
extern bool pgstat_track_counts;
/*
* BgWriter statistics counters are updated directly by bgwriter and bufmgr
@ -510,40 +507,40 @@ extern void pgstat_initstats(Relation rel);
/* nontransactional event counts are simple enough to inline */
#define pgstat_count_heap_scan(rel) \
do { \
if (pgstat_collect_tuplelevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_numscans++; \
#define pgstat_count_heap_scan(rel) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_numscans++; \
} while (0)
#define pgstat_count_heap_getnext(rel) \
do { \
if (pgstat_collect_tuplelevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_tuples_returned++; \
#define pgstat_count_heap_getnext(rel) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_tuples_returned++; \
} while (0)
#define pgstat_count_heap_fetch(rel) \
do { \
if (pgstat_collect_tuplelevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_tuples_fetched++; \
#define pgstat_count_heap_fetch(rel) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_tuples_fetched++; \
} while (0)
#define pgstat_count_index_scan(rel) \
do { \
if (pgstat_collect_tuplelevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_numscans++; \
#define pgstat_count_index_scan(rel) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_numscans++; \
} while (0)
#define pgstat_count_index_tuples(rel, n) \
do { \
if (pgstat_collect_tuplelevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_tuples_returned += (n); \
#define pgstat_count_index_tuples(rel, n) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_tuples_returned += (n); \
} while (0)
#define pgstat_count_buffer_read(rel) \
do { \
if (pgstat_collect_blocklevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_blocks_fetched++; \
#define pgstat_count_buffer_read(rel) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_blocks_fetched++; \
} while (0)
#define pgstat_count_buffer_hit(rel) \
do { \
if (pgstat_collect_blocklevel && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_blocks_hit++; \
#define pgstat_count_buffer_hit(rel) \
do { \
if (pgstat_track_counts && (rel)->pgstat_info != NULL) \
(rel)->pgstat_info->t_counts.t_blocks_hit++; \
} while (0)
extern void pgstat_count_heap_insert(Relation rel);