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Merge pull request #324 from ibrarahmad/PG-312 

PG-312: Changing the default value of Histogram GUC.
pull/340/head
Naeem Akhter 2022-12-24 22:31:39 +05:00 committed by GitHub
parent 96a1d52f08 d03fb8f0b7
commit 56001d683f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 39 additions and 280 deletions
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4
guc.c
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@ -119,7 +119,7 @@ init_guc(void)
{
.guc_name = "pg_stat_monitor.pgsm_histogram_min",
.guc_desc = "Sets the time in millisecond.",
.guc_default = 0,
.guc_default = 1,
.guc_min = 0,
.guc_max = INT_MAX,
.guc_restart = true,
@ -145,7 +145,7 @@ init_guc(void)
{
.guc_name = "pg_stat_monitor.pgsm_histogram_buckets",
.guc_desc = "Sets the maximum number of histogram buckets",
.guc_default = 10,
.guc_default = 20,
.guc_min = 2,
.guc_max = MAX_RESPONSE_BUCKET,
.guc_restart = true,

315
regression/expected/guc.out
View File

@ -1,280 +1,39 @@
CREATE EXTENSION pg_stat_monitor;
\x
SELECT name
, setting
, unit
, category
, short_desc
, extra_desc
, context
, vartype
, source
, min_val
, max_val
, enumvals
, boot_val
, reset_val
, sourcefile
, sourceline
, pending_restart
FROM pg_settings
WHERE name LIKE 'pg_stat_monitor.%'
AND name NOT LIKE 'pg_stat_monitor.pgsm_track_planning'
ORDER
BY name
COLLATE "C";
-[ RECORD 1 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_bucket_time
setting | 60
unit |
category | Customized Options
short_desc | Sets the time in seconds per bucket.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 2147483647
enumvals |
boot_val | 60
reset_val | 60
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 2 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_enable_query_plan
setting | off
unit |
category | Customized Options
short_desc | Enable/Disable query plan monitoring
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | off
reset_val | off
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 3 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_extract_comments
setting | off
unit |
category | Customized Options
short_desc | Enable/Disable extracting comments from queries.
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | off
reset_val | off
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 4 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_histogram_buckets
setting | 10
unit |
category | Customized Options
short_desc | Sets the maximum number of histogram buckets
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 2
max_val | 50
enumvals |
boot_val | 10
reset_val | 10
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 5 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_histogram_max
setting | 100000
unit |
category | Customized Options
short_desc | Sets the time in millisecond.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 10
max_val | 2147483647
enumvals |
boot_val | 100000
reset_val | 100000
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 6 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_histogram_min
setting | 0
unit |
category | Customized Options
short_desc | Sets the time in millisecond.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 0
max_val | 2147483647
enumvals |
boot_val | 0
reset_val | 0
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 7 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_max
setting | 100
unit | MB
category | Customized Options
short_desc | Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 1000
enumvals |
boot_val | 100
reset_val | 100
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 8 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_max_buckets
setting | 10
unit |
category | Customized Options
short_desc | Sets the maximum number of buckets.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 10
enumvals |
boot_val | 10
reset_val | 10
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 9 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_normalized_query
setting | off
unit |
category | Customized Options
short_desc | Selects whether save query in normalized format.
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | off
reset_val | off
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 10 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_overflow_target
setting | 1
unit |
category | Customized Options
short_desc | Sets the overflow target for pg_stat_monitor
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 0
max_val | 1
enumvals |
boot_val | 1
reset_val | 1
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 11 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_query_max_len
setting | 2048
unit |
category | Customized Options
short_desc | Sets the maximum length of query.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1024
max_val | 2147483647
enumvals |
boot_val | 2048
reset_val | 2048
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 12 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_query_shared_buffer
setting | 20
unit | MB
category | Customized Options
short_desc | Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 10000
enumvals |
boot_val | 20
reset_val | 20
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 13 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_track
setting | top
unit |
category | Customized Options
short_desc | Selects which statements are tracked by pg_stat_monitor.
extra_desc |
context | user
vartype | enum
source | default
min_val |
max_val |
enumvals | {none,top,all}
boot_val | top
reset_val | top
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 14 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_track_utility
setting | on
unit |
category | Customized Options
short_desc | Selects whether utility commands are tracked.
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | on
reset_val | on
sourcefile |
sourceline |
pending_restart | f
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
\x
DROP EXTENSION pg_stat_monitor;
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT * FROM pg_stat_monitor_settings WHERE name NOT LIKE 'pg_stat_monitor.pgsm_track_planning' ORDER BY name COLLATE "C";
name | value | default_value | description | minimum | maximum | options | restart
------------------------------------------+--------+---------------+----------------------------------------------------------------------------------------------------------+---------+------------+----------------+---------
pg_stat_monitor.pgsm_bucket_time | 60 | 60 | Sets the time in seconds per bucket. | 1 | 2147483647 | | yes
pg_stat_monitor.pgsm_enable_query_plan | no | no | Enable/Disable query plan monitoring | | | yes, no | no
pg_stat_monitor.pgsm_extract_comments | no | no | Enable/Disable extracting comments from queries. | | | yes, no | no
pg_stat_monitor.pgsm_histogram_buckets | 20 | 20 | Sets the maximum number of histogram buckets | 2 | 50 | | yes
pg_stat_monitor.pgsm_histogram_max | 100000 | 100000 | Sets the time in millisecond. | 10 | 2147483647 | | yes
pg_stat_monitor.pgsm_histogram_min | 1 | 1 | Sets the time in millisecond. | 0 | 2147483647 | | yes
pg_stat_monitor.pgsm_max | 100 | 100 | Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor. | 1 | 1000 | | yes
pg_stat_monitor.pgsm_max_buckets | 10 | 10 | Sets the maximum number of buckets. | 1 | 10 | | yes
pg_stat_monitor.pgsm_normalized_query | no | no | Selects whether save query in normalized format. | | | yes, no | no
pg_stat_monitor.pgsm_overflow_target | 1 | 1 | Sets the overflow target for pg_stat_monitor | 0 | 1 | | yes
pg_stat_monitor.pgsm_query_max_len | 2048 | 2048 | Sets the maximum length of query. | 1024 | 2147483647 | | yes
pg_stat_monitor.pgsm_query_shared_buffer | 20 | 20 | Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor. | 1 | 10000 | | yes
pg_stat_monitor.pgsm_track | top | top | Selects which statements are tracked by pg_stat_monitor. | | | none, top, all | no
pg_stat_monitor.pgsm_track_utility | yes | yes | Selects whether utility commands are tracked. | | | yes, no | no
(14 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP EXTENSION pg_stat_monitor;