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Reducing memory footprint of the PGSM entry by reducing relation size to match typlen of name type. Also, updated some gucs for better MAX and default values.

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This commit is contained in:
Hamid Akhtar
2023-02-16 14:51:28 +05:00
parent 988fae31fa
commit 8d4e99a7af
9 changed files with 47 additions and 45 deletions
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8
t/expected/001_settings_default.out
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@@ -14,8 +14,8 @@ SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | default | 1 | 1000 | | 100 | 100 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 10 | | 10 | 10 | 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
@@ -41,8 +41,8 @@ SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | default | 1 | 1000 | | 100 | 100 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 10 | | 10 | 10 | 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

8
t/expected/001_settings_default.out.12 Executable file → Normal file
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@@ -14,8 +14,8 @@ SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | default | 1 | 1000 | | 100 | 100 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 10 | | 10 | 10 | 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
@@ -40,8 +40,8 @@ SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals
pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | default | 1 | 1000 | | 100 | 100 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 10 | | 10 | 10 | 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

34
t/expected/012_settings_pgsm_max_buckets.out
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@@ -8,7 +8,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 1 | | postmaster | integer | configuration file | 1 | 10 | | 10 | 1 | f
pg_stat_monitor.pgsm_max_buckets | 1 | | postmaster | integer | configuration file | 1 | 20000 | | 10 | 1 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -20,7 +20,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 2 | | postmaster | integer | configuration file | 1 | 10 | | 10 | 2 | f
pg_stat_monitor.pgsm_max_buckets | 2 | | postmaster | integer | configuration file | 1 | 20000 | | 10 | 2 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -32,7 +32,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 5 | | postmaster | integer | configuration file | 1 | 10 | | 10 | 5 | f
pg_stat_monitor.pgsm_max_buckets | 5 | | postmaster | integer | configuration file | 1 | 20000 | | 10 | 5 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -44,7 +44,19 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | configuration file | 1 | 10 | | 10 | 10 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | configuration file | 1 | 20000 | | 10 | 10 | f
(1 row)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 11 | | postmaster | integer | configuration file | 1 | 20000 | | 10 | 11 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -56,19 +68,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+---------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 10 | | 10 | 10 | f
(1 row)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max_buckets';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
----------------------------------+---------+------+------------+---------+---------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 10 | | 10 | 10 | f
pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
(1 row)
DROP EXTENSION pg_stat_monitor;

10
t/expected/016_settings_pgsm_max.out
View File

@@ -8,7 +8,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
--------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max | 1000 | MB | postmaster | integer | configuration file | 1 | 1000 | | 100 | 1000 | f
pg_stat_monitor.pgsm_max | 1000 | MB | postmaster | integer | configuration file | 10 | 10240 | | 256 | 1000 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -20,7 +20,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
--------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max | 500 | MB | postmaster | integer | configuration file | 1 | 1000 | | 100 | 500 | f
pg_stat_monitor.pgsm_max | 500 | MB | postmaster | integer | configuration file | 10 | 10240 | | 256 | 500 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -32,7 +32,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
--------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | configuration file | 1 | 1000 | | 100 | 100 | f
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | configuration file | 10 | 10240 | | 256 | 100 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -44,7 +44,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
--------------------------+---------+------+------------+---------+--------------------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max | 10 | MB | postmaster | integer | configuration file | 1 | 1000 | | 100 | 10 | f
pg_stat_monitor.pgsm_max | 10 | MB | postmaster | integer | configuration file | 10 | 10240 | | 256 | 10 | f
(1 row)
SELECT pg_stat_monitor_reset();
@@ -56,7 +56,7 @@ SELECT pg_stat_monitor_reset();
SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_max';
name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
--------------------------+---------+------+------------+---------+---------+---------+---------+----------+----------+-----------+-----------------
pg_stat_monitor.pgsm_max | 100 | MB | postmaster | integer | default | 1 | 1000 | | 100 | 100 | f
pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
(1 row)
DROP EXTENSION pg_stat_monitor;