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[PG-644] Add option to disable application name tracking (#469)

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* Cache application name for every backed instance

* Improve pg_get_backend_status performance for PG16 and PG17

* Fix

* Make application_name tracking disabled by default

* Meke app name tracking opt-out

* Format newly added code with pgindent

* Fix build for PG17

* Fix
This commit is contained in:
Artem Gavrilov
2024-07-23 18:49:33 +02:00
committed by GitHub
parent 16ec8362e2
commit d7999f1acf
10 changed files with 212 additions and 148 deletions
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13
guc.c
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@@ -33,6 +33,7 @@ bool pgsm_enable_query_plan;
bool pgsm_enable_overflow;
bool pgsm_normalized_query;
bool pgsm_track_utility;
bool pgsm_track_application_names;
bool pgsm_enable_pgsm_query_id;
int pgsm_track;
static int pgsm_overflow_target; /* Not used since 2.0 */
@@ -190,6 +191,18 @@ init_guc(void)
NULL /* show_hook */
);
DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_application_names", /* name */
"Enable/Disable application names tracking.", /* short_desc */
NULL, /* long_desc */
&pgsm_track_application_names, /* value address */
true, /* boot value */
PGC_USERSET, /* context */
0, /* flags */
NULL, /* check_hook */
NULL, /* assign_hook */
NULL /* show_hook */
);
DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_pgsm_query_id", /* name */
"Enable/disable PGSM specific query id calculation which is very useful in comparing same query across databases and clusters..", /* short_desc */
NULL, /* long_desc */