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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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28
regression/expected/application_name.out
View File

@@ -24,4 +24,32 @@ SELECT pg_stat_monitor_reset();
(1 row)
SELECT 1 AS num;
num
-----
1
(1 row)
SET pg_stat_monitor.pgsm_track_application_names='no';
SELECT 1 AS num;
num
-----
1
(1 row)
SELECT query,application_name FROM pg_stat_monitor ORDER BY query, application_name COLLATE "C";
query | application_name
-------------------------------------------------------+-----------------------------
SELECT 1 AS num | pg_regress/application_name
SELECT 1 AS num |
SELECT pg_stat_monitor_reset() | pg_regress/application_name
SET pg_stat_monitor.pgsm_track_application_names='no' |
(4 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP EXTENSION pg_stat_monitor;

41
regression/expected/guc.out
View File

@@ -16,25 +16,26 @@ WHERE name LIKE 'pg_stat_monitor.%'
ORDER
BY name
COLLATE "C";
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
-------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
pg_stat_monitor.pgsm_bucket_time | 60 | s | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | ms | postmaster | real | default | 10 | 5e+07 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | ms | postmaster | real | default | 0 | 5e+07 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
pg_stat_monitor.pgsm_track_planning | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
(17 rows)
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
pg_stat_monitor.pgsm_bucket_time | 60 | s | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | ms | postmaster | real | default | 10 | 5e+07 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | ms | postmaster | real | default | 0 | 5e+07 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
pg_stat_monitor.pgsm_track_application_names | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_track_planning | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
(18 rows)
DROP EXTENSION pg_stat_monitor;

39
regression/expected/guc_1.out
View File

@@ -16,24 +16,25 @@ WHERE name LIKE 'pg_stat_monitor.%'
ORDER
BY name
COLLATE "C";
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
-------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
pg_stat_monitor.pgsm_bucket_time | 60 | s | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | ms | postmaster | real | default | 10 | 5e+07 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | ms | postmaster | real | default | 0 | 5e+07 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
(16 rows)
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
pg_stat_monitor.pgsm_bucket_time | 60 | s | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | ms | postmaster | real | default | 10 | 5e+07 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | ms | postmaster | real | default | 0 | 5e+07 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
pg_stat_monitor.pgsm_track_application_names | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
(17 rows)
DROP EXTENSION pg_stat_monitor;

39
regression/expected/guc_2.out
View File

@@ -16,24 +16,25 @@ WHERE name LIKE 'pg_stat_monitor.%'
ORDER
BY name
COLLATE "C";
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
-------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
pg_stat_monitor.pgsm_bucket_time | 60 | s | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | real | default | 10 | 5e+07 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | real | default | 0 | 5e+07 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
(16 rows)
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
pg_stat_monitor.pgsm_bucket_time | 60 | s | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | real | default | 10 | 5e+07 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | real | default | 0 | 5e+07 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
pg_stat_monitor.pgsm_track_application_names | on | | user | bool | default | | | | on | on | f
pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
(17 rows)
DROP EXTENSION pg_stat_monitor;