Major refactoring to support multiple new features.
Issue - (#16): PG-112: Change the column name "ip" to "client_ip" for readability purpose. Issue - (#17): PG-111: Show all the queries from complete and incomplete buckets. Issue - (#18): PG-108: Log the bucket start time. Issue - (#19): PG-99: Response time histogram. Issue - (#20): PG-97: Log CPU time for a query. Issue - (#21): PG-96: Show objects(tables) involved in the query. Issue - (#22): PG-93: Retain the bucket, and don't delete the bucket automatically. Issue - (#23): PG-91: Log queries of all the databases. Issue - (#24): PG-116: Restrict the query size. Issue - (#3) : README file update.pull/25/head
Ibrar Ahmed
parent
0e47677552
commit
179e99d692
1
Makefile
1
Makefile
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@ -4,7 +4,6 @@ MODULE_big = pg_stat_monitor
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OBJS = pg_stat_monitor.o $(WIN32RES)
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OBJS = pg_stat_monitor.o $(WIN32RES)
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EXTENSION = pg_stat_monitor
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EXTENSION = pg_stat_monitor
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DATA = pg_stat_monitor--1.0.sql
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DATA = pg_stat_monitor--1.0.sql
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PGFILEDESC = "pg_stat_monitor - execution statistics of SQL statements"
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PGFILEDESC = "pg_stat_monitor - execution statistics of SQL statements"
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94
README.md
94
README.md
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@ -18,11 +18,11 @@ There are two ways to install pg_stat_monitor. The first is by downloading the p
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##### Download and compile
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##### Download and compile
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The latest release of pg_stat_monitor can be downloaded from this GitHub page:
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The latest release of pg_stat_monitor can be downloaded from this GitHub page:
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https://github.com/Percona-Lab/pg_stat_monitor/releases
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https://github.com/Percona/pg_stat_monitor/releases
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or it can be downloaded using the git:
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or it can be downloaded using the git:
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git clone git://github.com/Percona-Lab/pg_stat_monitor.git
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git clone git://github.com/Percona/pg_stat_monitor.git
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After downloading the code, set the path for the [PostgreSQL][1] binary:
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After downloading the code, set the path for the [PostgreSQL][1] binary:
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@ -57,13 +57,15 @@ There are four views, and complete statistics can be accessed using these views.
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##### pg_stat_monitor
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##### pg_stat_monitor
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This is the main view which stores per query-based statistics, similar to pg_stat_statment with some additional columns.
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This is the main view which stores per query-based statistics, similar to pg_stat_statment with some additional columns.
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\d pg_stat_monitor;
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postgres=# \d pg_stat_monitor;
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View "public.pg_stat_monitor"
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View "public.pg_stat_monitor"
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Column | Type | Collation | Nullable | Default
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Column | Type | Collation | Nullable | Default
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---------------------+------------------+-----------+----------+---------
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---------------------+--------------------------+-----------+----------+---------
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bucket | oid | | |
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bucket_start_time | timestamp with time zone | | |
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userid | oid | | |
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userid | oid | | |
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dbid | oid | | |
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dbid | oid | | |
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queryid | bigint | | |
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queryid | text | | |
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query | text | | |
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query | text | | |
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calls | bigint | | |
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calls | bigint | | |
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total_time | double precision | | |
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total_time | double precision | | |
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@ -71,7 +73,7 @@ This is the main view which stores per query-based statistics, similar to pg_sta
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max_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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mean_time | double precision | | |
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stddev_time | double precision | | |
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stddev_time | double precision | | |
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rows | bigint | | |
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int8 | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_dirtied | bigint | | |
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@ -84,19 +86,17 @@ This is the main view which stores per query-based statistics, similar to pg_sta
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temp_blks_written | bigint | | |
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temp_blks_written | bigint | | |
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blk_read_time | double precision | | |
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blk_read_time | double precision | | |
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blk_write_time | double precision | | |
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blk_write_time | double precision | | |
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host | integer | | |
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host | bigint | | |
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hist_calls | text | | |
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client_ip | inet | | |
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hist_min_time | text | | |
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resp_calls | text[] | | |
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hist_max_time | text | | |
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hist_mean_time | text | | |
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slow_query | text | | |
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cpu_user_time | double precision | | |
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cpu_user_time | double precision | | |
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cpu_sys_time | double precision | | |
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cpu_sys_time | double precision | | |
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tables_names | text[] | | |
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These are new column added to have more detail about the query.
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These are new column added to have more detail about the query.
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host: Client IP or Hostname
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client_ip: Client IP or Hostname
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hist_calls: Hourly based 24 hours calls of query histogram
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hist_calls: Hourly based 24 hours calls of query histogram
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hist_min_time: Hourly based 24 hours min time of query histogram
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hist_min_time: Hourly based 24 hours min time of query histogram
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Hist_max_time: Hourly based 24 hours max time of query histogram
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Hist_max_time: Hourly based 24 hours max time of query histogram
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@ -106,84 +106,72 @@ These are new column added to have more detail about the query.
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cpu_sys_time: CPU System time for that query.
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cpu_sys_time: CPU System time for that query.
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regression=# \d pg_stat_agg_database
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postgres=# \d pg_stat_agg_database
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View "public.pg_stat_agg_database"
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View "public.pg_stat_agg_database"
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Column | Type | Collation | Nullable | Default
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Column | Type | Collation | Nullable | Default
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----------------+--------------------------+-----------+----------+---------
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---------------+------------------+-----------+----------+---------
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queryid | bigint | | |
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bucket | oid | | |
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queryid | text | | |
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dbid | bigint | | |
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dbid | bigint | | |
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userid | oid | | |
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userid | oid | | |
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host | inet | | |
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client_ip | inet | | |
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total_calls | integer | | |
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total_calls | integer | | |
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min_time | double precision | | |
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min_time | double precision | | |
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max_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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mean_time | double precision | | |
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hist_calls | text[] | | |
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resp_calls | text[] | | |
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hist_min_time | text[] | | |
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hist_max_time | text[] | | |
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hist_mean_time | text[] | | |
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first_log_time | timestamp with time zone | | |
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last_log_time | timestamp with time zone | | |
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cpu_user_time | double precision | | |
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cpu_user_time | double precision | | |
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cpu_sys_time | double precision | | |
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cpu_sys_time | double precision | | |
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query | text | | |
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query | text | | |
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slow_query | text | | |
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tables_names | text[] | | |
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# \d pg_stat_agg_user
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postgres=# \d pg_stat_agg_user
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View "public.pg_stat_agg_user"
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View "public.pg_stat_agg_user"
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Column | Type | Collation | Nullable | Default
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Column | Type | Collation | Nullable | Default
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----------------+--------------------------+-----------+----------+---------
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---------------+------------------+-----------+----------+---------
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queryid | bigint | | |
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bucket | oid | | |
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queryid | text | | |
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dbid | bigint | | |
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dbid | bigint | | |
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userid | oid | | |
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userid | oid | | |
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host | inet | | |
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client_ip | inet | | |
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total_calls | integer | | |
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total_calls | integer | | |
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min_time | double precision | | |
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min_time | double precision | | |
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max_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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mean_time | double precision | | |
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hist_calls | text[] | | |
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resp_calls | text[] | | |
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hist_min_time | text[] | | |
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hist_max_time | text[] | | |
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hist_mean_time | text[] | | |
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first_log_time | timestamp with time zone | | |
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last_log_time | timestamp with time zone | | |
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cpu_user_time | double precision | | |
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cpu_user_time | double precision | | |
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cpu_sys_time | double precision | | |
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cpu_sys_time | double precision | | |
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query | text | | |
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query | text | | |
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slow_query | text | | |
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tables_names | text[] | | |
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# \d pg_stat_agg_host
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postgres=# \d pg_stat_agg_ip
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View "public.pg_stat_agg_host"
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View "public.pg_stat_agg_ip"
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Column | Type | Collation | Nullable | Default
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Column | Type | Collation | Nullable | Default
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----------------+--------------------------+-----------+----------+---------
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---------------+------------------+-----------+----------+---------
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queryid | bigint | | |
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bucket | oid | | |
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queryid | text | | |
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dbid | bigint | | |
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dbid | bigint | | |
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userid | oid | | |
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userid | oid | | |
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host | inet | | |
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client_ip | inet | | |
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host | bigint | | |
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total_calls | integer | | |
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total_calls | integer | | |
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min_time | double precision | | |
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min_time | double precision | | |
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max_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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mean_time | double precision | | |
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hist_calls | text[] | | |
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resp_calls | text[] | | |
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hist_min_time | text[] | | |
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hist_max_time | text[] | | |
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hist_mean_time | text[] | | |
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first_log_time | timestamp with time zone | | |
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last_log_time | timestamp with time zone | | |
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cpu_user_time | double precision | | |
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cpu_user_time | double precision | | |
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cpu_sys_time | double precision | | |
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cpu_sys_time | double precision | | |
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query | text | | |
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query | text | | |
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slow_query | text | | |
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tables_names | text[] | | |
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Examples
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Examples
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1 - In this query we are getting the exact value of f1 which is '05:06:07-07' in the case of slow queries.
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1 - In this query we are getting the exact value of f1 which is '05:06:07-07' (special setting is required for this).
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# select userid, queryid, query, slow_query, max_time, total_calls from pg_stat_agg_user;
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# select userid, queryid, query, max_time, total_calls from pg_stat_agg_user;
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-[ RECORD 1 ]----------------------------------------------------------------------------------------
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-[ RECORD 1 ]----------------------------------------------------------------------------------------
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userid | 10
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userid | 10
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queryid | -203926152419851453
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queryid | -203926152419851453
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query | SELECT f1 FROM TIMETZ_TBL WHERE f1 < $1
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query | SELECT f1 FROM TIMETZ_TBL WHERE f1 < '05:06:07-07';
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slow_query | SELECT f1 FROM TIMETZ_TBL WHERE f1 < '05:06:07-07';
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max_time | 1.237875
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max_time | 1.237875
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total_calls | 8
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total_calls | 8
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@ -206,6 +194,6 @@ Copyright (c) 2006 - 2019, Percona LLC.
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See [`LICENSE`][2] for full details.
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See [`LICENSE`][2] for full details.
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[1]: https://www.postgresql.org/
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[1]: https://www.postgresql.org/
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[2]: https://github.com/Percona-Lab/pg_stat_monitor/blob/master/LICENSE
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[2]: https://github.com/Percona/pg_stat_monitor/blob/master/LICENSE
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[3]: https://github.com/Percona-Lab/pg_stat_monitor/issues/new
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[3]: https://github.com/Percona/pg_stat_monitor/issues/new
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[4]: CONTRIBUTING.md
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[4]: CONTRIBUTING.md
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@ -1,4 +1,4 @@
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/* contrib/pg_stat_monitor/pg_stat_monitor--1.4.sql */
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/* contrib/pg_stat_monitor/pg_stat_monitor--1.1.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION pg_stat_monitor" to load this file. \quit
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\echo Use "CREATE EXTENSION pg_stat_monitor" to load this file. \quit
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@ -10,10 +10,13 @@ AS 'MODULE_PATHNAME'
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LANGUAGE C PARALLEL SAFE;
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LANGUAGE C PARALLEL SAFE;
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CREATE FUNCTION pg_stat_monitor(IN showtext boolean,
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CREATE FUNCTION pg_stat_monitor(IN showtext boolean,
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OUT bucket oid,
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OUT userid oid,
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OUT userid oid,
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OUT dbid oid,
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OUT dbid oid,
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OUT queryid bigint,
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OUT queryid text,
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OUT query text,
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OUT query text,
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OUT bucket_start_time timestamptz,
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OUT calls int8,
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OUT calls int8,
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OUT total_time float8,
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OUT total_time float8,
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OUT min_time float8,
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OUT min_time float8,
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@ -33,109 +36,126 @@ CREATE FUNCTION pg_stat_monitor(IN showtext boolean,
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OUT temp_blks_written int8,
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OUT temp_blks_written int8,
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OUT blk_read_time float8,
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OUT blk_read_time float8,
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OUT blk_write_time float8,
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OUT blk_write_time float8,
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OUT host bigint,
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OUT client_ip bigint,
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OUT hist_calls text,
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OUT resp_calls text,
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OUT hist_min_time text,
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OUT hist_max_time text,
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OUT hist_mean_time text,
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OUT slow_query text,
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OUT cpu_user_time float8,
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OUT cpu_user_time float8,
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OUT cpu_sys_time float8
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OUT cpu_sys_time float8,
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OUT tables_names text
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)
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)
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RETURNS SETOF record
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_stat_monitor_1_3'
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AS 'MODULE_PATHNAME', 'pg_stat_monitor'
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LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
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LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
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CREATE FUNCTION pg_stat_agg(
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CREATE FUNCTION pg_stat_agg(
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OUT queryid bigint,
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OUT queryid text,
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OUT id bigint,
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OUT id bigint,
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OUT type bigint,
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OUT type bigint,
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OUT total_calls int,
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OUT total_calls int)
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OUT first_call_time timestamptz,
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OUT last_call_time timestamptz)
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RETURNS SETOF record
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_stat_agg'
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AS 'MODULE_PATHNAME', 'pg_stat_agg'
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LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
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LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
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-- Register a view on the function for ease of use.
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-- Register a view on the function for ease of use.
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CREATE VIEW pg_stat_monitor AS
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CREATE VIEW pg_stat_monitor AS SELECT
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SELECT * FROM pg_stat_monitor(true);
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bucket,
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bucket_start_time,
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userid,
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dbid,
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queryid,
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query,
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calls,
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total_time,
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min_time,
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max_time,
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mean_time,
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stddev_time,
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rows int8,
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shared_blks_hit,
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shared_blks_read,
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shared_blks_dirtied,
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shared_blks_written,
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local_blks_hit,
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local_blks_read,
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local_blks_dirtied,
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local_blks_written,
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temp_blks_read,
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temp_blks_written,
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blk_read_time,
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blk_write_time,
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client_ip as host,
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'0.0.0.0'::inet + client_ip AS client_ip,
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(string_to_array(resp_calls, ',')) resp_calls,
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cpu_user_time,
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cpu_sys_time,
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(string_to_array(tables_names, ',')) tables_names
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FROM pg_stat_monitor(true);
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GRANT SELECT ON pg_stat_monitor TO PUBLIC;
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GRANT SELECT ON pg_stat_monitor TO PUBLIC;
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CREATE VIEW pg_stat_agg_database AS
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CREATE VIEW pg_stat_agg_database AS
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SELECT
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SELECT
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ss.bucket,
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agg.queryid,
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agg.queryid,
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agg.id AS dbid,
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agg.id AS dbid,
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ss.userid,
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ss.userid,
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'0.0.0.0'::inet + ss.host AS host,
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client_ip,
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agg.total_calls,
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agg.total_calls,
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ss.min_time,
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ss.min_time,
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ss.max_time,
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ss.max_time,
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ss.mean_time,
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ss.mean_time,
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(string_to_array(hist_calls, ',')) hist_calls,
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ss.resp_calls,
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(string_to_array(hist_min_time, ',')) hist_min_time,
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(string_to_array(hist_max_time, ',')) hist_max_time,
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(string_to_array(hist_mean_time, ',')) hist_mean_time,
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agg.first_call_time AS first_log_time,
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agg.last_call_time AS last_log_time,
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ss.cpu_user_time,
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ss.cpu_user_time,
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ss.cpu_sys_time,
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ss.cpu_sys_time,
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ss.query,
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ss.query,
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ss.slow_query
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ss.tables_names
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FROM pg_stat_agg() agg
|
FROM pg_stat_agg() agg
|
||||||
INNER JOIN (SELECT DISTINCT queryid, dbid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time
|
INNER JOIN (SELECT DISTINCT bucket, queryid, dbid, userid, query, client_ip, min_time, max_time, mean_time, resp_calls, tables_names, cpu_user_time,cpu_sys_time
|
||||||
FROM pg_stat_monitor) ss
|
FROM pg_stat_monitor) ss
|
||||||
ON agg.queryid = ss.queryid AND agg.type = 0 AND id = dbid;
|
ON agg.queryid = ss.queryid AND agg.type = 0 AND id = dbid;
|
||||||
|
|
||||||
CREATE VIEW pg_stat_agg_user AS
|
CREATE VIEW pg_stat_agg_user AS
|
||||||
SELECT
|
SELECT
|
||||||
|
ss.bucket,
|
||||||
agg.queryid,
|
agg.queryid,
|
||||||
agg.id AS dbid,
|
agg.id AS dbid,
|
||||||
ss.userid,
|
ss.userid,
|
||||||
'0.0.0.0'::inet + ss.host AS host,
|
client_ip,
|
||||||
agg.total_calls,
|
agg.total_calls,
|
||||||
ss.min_time,
|
ss.min_time,
|
||||||
ss.max_time,
|
ss.max_time,
|
||||||
ss.mean_time,
|
ss.mean_time,
|
||||||
(string_to_array(hist_calls, ',')) hist_calls,
|
ss.resp_calls,
|
||||||
(string_to_array(hist_min_time, ',')) hist_min_time,
|
|
||||||
(string_to_array(hist_max_time, ',')) hist_max_time,
|
|
||||||
(string_to_array(hist_mean_time, ',')) hist_mean_time,
|
|
||||||
agg.first_call_time AS first_log_time,
|
|
||||||
agg.last_call_time AS last_log_time,
|
|
||||||
ss.cpu_user_time,
|
ss.cpu_user_time,
|
||||||
ss.cpu_sys_time,
|
ss.cpu_sys_time,
|
||||||
ss.query,
|
ss.query,
|
||||||
ss.slow_query
|
ss.tables_names
|
||||||
FROM pg_stat_agg() agg
|
FROM pg_stat_agg() agg
|
||||||
INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
|
INNER JOIN (SELECT DISTINCT bucket, queryid, userid, query, client_ip, min_time, max_time, mean_time, resp_calls, tables_names, cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
|
||||||
ON agg.queryid = ss.queryid AND agg.type = 1 AND id = userid;
|
ON agg.queryid = ss.queryid AND agg.type = 1 AND id = userid;
|
||||||
|
|
||||||
CREATE VIEW pg_stat_agg_host AS
|
CREATE VIEW pg_stat_agg_ip AS
|
||||||
SELECT
|
SELECT
|
||||||
|
ss.bucket,
|
||||||
agg.queryid,
|
agg.queryid,
|
||||||
agg.id AS dbid,
|
agg.id AS dbid,
|
||||||
ss.userid,
|
ss.userid,
|
||||||
'0.0.0.0'::inet + ss.host AS host,
|
ss.client_ip,
|
||||||
|
ss.host,
|
||||||
agg.total_calls,
|
agg.total_calls,
|
||||||
ss.min_time,
|
ss.min_time,
|
||||||
ss.max_time,
|
ss.max_time,
|
||||||
ss.mean_time,
|
ss.mean_time,
|
||||||
(string_to_array(hist_calls, ',')) hist_calls,
|
ss.resp_calls,
|
||||||
(string_to_array(hist_min_time, ',')) hist_min_time,
|
|
||||||
(string_to_array(hist_max_time, ',')) hist_max_time,
|
|
||||||
(string_to_array(hist_mean_time, ',')) hist_mean_time,
|
|
||||||
agg.first_call_time AS first_log_time,
|
|
||||||
agg.last_call_time AS last_log_time,
|
|
||||||
ss.cpu_user_time,
|
ss.cpu_user_time,
|
||||||
ss.cpu_sys_time,
|
ss.cpu_sys_time,
|
||||||
ss.query,
|
ss.query,
|
||||||
ss.slow_query
|
ss.tables_names
|
||||||
FROM pg_stat_agg() agg
|
FROM pg_stat_agg() agg
|
||||||
INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
|
INNER JOIN (SELECT DISTINCT bucket, queryid, userid, query, client_ip, host, min_time, max_time, mean_time, resp_calls, tables_names, cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
|
||||||
ON agg.queryid = ss.queryid AND agg.type = 2 AND id = host;
|
ON agg.queryid = ss.queryid AND agg.type = 2 AND id = host;
|
||||||
|
|
||||||
|
GRANT SELECT ON pg_stat_agg_user TO PUBLIC;
|
||||||
|
GRANT SELECT ON pg_stat_agg_ip TO PUBLIC;
|
||||||
GRANT SELECT ON pg_stat_agg_database TO PUBLIC;
|
GRANT SELECT ON pg_stat_agg_database TO PUBLIC;
|
||||||
|
|
||||||
-- Don't want this to be available to non-superusers.
|
-- Don't want this to be available to non-superusers.
|
||||||
|
|
|
||||||
2034
pg_stat_monitor.c
2034
pg_stat_monitor.c
File diff suppressed because it is too large
Load Diff
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Reference in New Issue