81 lines
10 KiB
Plaintext
81 lines
10 KiB
Plaintext
CREATE EXTENSION pg_stat_monitor;
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SELECT pg_stat_monitor_reset();
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pg_stat_monitor_reset
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-----------------------
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(1 row)
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SELECT * from pg_stat_monitor_settings;
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name | value | default_value | description | minimum | maximum | options | restart
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------------------------------------------+--------+---------------+----------------------------------------------------------------------------------------------------------+---------+------------+----------------+---------
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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
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pg_stat_monitor.pgsm_query_max_len | 2048 | 2048 | Sets the maximum length of query. | 1024 | 2147483647 | | yes
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pg_stat_monitor.pgsm_track_utility | yes | yes | Selects whether utility commands are tracked. | | | yes, no | no
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pg_stat_monitor.pgsm_normalized_query | yes | yes | Selects whether save query in normalized format. | | | yes, no | no
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pg_stat_monitor.pgsm_max_buckets | 10 | 10 | Sets the maximum number of buckets. | 1 | 10 | | yes
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pg_stat_monitor.pgsm_bucket_time | 60 | 60 | Sets the time in seconds per bucket. | 1 | 2147483647 | | yes
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pg_stat_monitor.pgsm_histogram_min | 0 | 0 | Sets the time in millisecond. | 0 | 2147483647 | | yes
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pg_stat_monitor.pgsm_histogram_max | 100000 | 100000 | Sets the time in millisecond. | 10 | 2147483647 | | yes
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pg_stat_monitor.pgsm_histogram_buckets | 10 | 10 | Sets the maximum number of histogram buckets | 2 | 50 | | yes
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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
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pg_stat_monitor.pgsm_overflow_target | 1 | 1 | Sets the overflow target for pg_stat_monitor | 0 | 1 | | yes
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pg_stat_monitor.pgsm_enable_query_plan | no | no | Enable/Disable query plan monitoring | | | yes, no | no
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pg_stat_monitor.pgsm_track | top | top | Selects which statements are tracked by pg_stat_monitor. | | | none, top, all | no
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pg_stat_monitor.pgsm_extract_comments | no | no | Enable/Disable extracting comments from queries. | | | yes, no | no
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pg_stat_monitor.pgsm_track_planning | no | no | Selects whether planning statistics are tracked. | | | yes, no | no
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(15 rows)
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CREATE database example;
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select datname, substr(query,0,100) as query, calls from pg_stat_monitor order by datname, query, calls desc Limit 20;
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datname | query | calls
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---------+-----------------------------------------------------------------------------------------------------+-------
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example | BEGIN | 10000
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example | END | 10000
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example | INSERT INTO pgbench_history (tid, bid, aid, delta, mtime) VALUES ($1, $2, $3, $4, CURRENT_TIMESTAMP | 10000
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example | SELECT abalance FROM pgbench_accounts WHERE aid = $1 | 10000
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example | UPDATE pgbench_accounts SET abalance = abalance + $1 WHERE aid = $2 | 10000
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example | UPDATE pgbench_branches SET bbalance = bbalance + $1 WHERE bid = $2 | 10000
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example | UPDATE pgbench_tellers SET tbalance = tbalance + $1 WHERE tid = $2 | 10000
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example | alter table pgbench_accounts add primary key (aid) | 1
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example | alter table pgbench_branches add primary key (bid) | 1
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example | alter table pgbench_tellers add primary key (tid) | 1
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example | begin | 1
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example | commit | 1
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example | copy pgbench_accounts from stdin | 1
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example | create table pgbench_accounts(aid int not null,bid int,abalance int,filler char(84)) with (fillf | 1
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example | create table pgbench_branches(bid int not null,bbalance int,filler char(88)) with (fillfactor=100) | 1
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example | create table pgbench_history(tid int,bid int,aid int,delta int,mtime timestamp,filler char(22)) | 1
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example | create table pgbench_tellers(tid int not null,bid int,tbalance int,filler char(84)) with (fillfacto | 1
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example | drop table if exists pgbench_accounts, pgbench_branches, pgbench_history, pgbench_tellers | 1
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example | insert into pgbench_branches(bid,bbalance) values($1,$2) | 10
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example | insert into pgbench_tellers(tid,bid,tbalance) values ($1,$2,$3) | 100
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(20 rows)
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SELECT * from pg_stat_monitor_settings;
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name | value | default_value | description | minimum | maximum | options | restart
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------------------------------------------+--------+---------------+----------------------------------------------------------------------------------------------------------+---------+------------+----------------+---------
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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
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pg_stat_monitor.pgsm_query_max_len | 2048 | 2048 | Sets the maximum length of query. | 1024 | 2147483647 | | yes
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pg_stat_monitor.pgsm_track_utility | yes | yes | Selects whether utility commands are tracked. | | | yes, no | no
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pg_stat_monitor.pgsm_normalized_query | yes | yes | Selects whether save query in normalized format. | | | yes, no | no
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pg_stat_monitor.pgsm_max_buckets | 10 | 10 | Sets the maximum number of buckets. | 1 | 10 | | yes
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pg_stat_monitor.pgsm_bucket_time | 60 | 60 | Sets the time in seconds per bucket. | 1 | 2147483647 | | yes
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pg_stat_monitor.pgsm_histogram_min | 0 | 0 | Sets the time in millisecond. | 0 | 2147483647 | | yes
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pg_stat_monitor.pgsm_histogram_max | 100000 | 100000 | Sets the time in millisecond. | 10 | 2147483647 | | yes
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pg_stat_monitor.pgsm_histogram_buckets | 10 | 10 | Sets the maximum number of histogram buckets | 2 | 50 | | yes
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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
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pg_stat_monitor.pgsm_overflow_target | 1 | 1 | Sets the overflow target for pg_stat_monitor | 0 | 1 | | yes
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pg_stat_monitor.pgsm_enable_query_plan | no | no | Enable/Disable query plan monitoring | | | yes, no | no
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pg_stat_monitor.pgsm_track | top | top | Selects which statements are tracked by pg_stat_monitor. | | | none, top, all | no
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pg_stat_monitor.pgsm_extract_comments | no | no | Enable/Disable extracting comments from queries. | | | yes, no | no
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pg_stat_monitor.pgsm_track_planning | no | no | Selects whether planning statistics are tracked. | | | yes, no | no
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(15 rows)
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SELECT pg_stat_monitor_reset();
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pg_stat_monitor_reset
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-----------------------
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(1 row)
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Drop extension pg_stat_monitor;
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