Issue - (#3): README file update.
Ibrar Ahmed
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README.md
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README.md
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pg_stat_monitor - Statists collector for [PostgreSQL][1].
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The pg_stat_monitor is statistics collector tool based on PostgreSQL's pg_stat_statement.
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#### Supported PostgreSQL Versions.
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* PostgreSQL Version 11
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* PostgreSQL Version 12
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* Percona Dsitribution for PostgreSQL
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#### Installation
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There are two ways to install the pg_stat_monitor. The first is by downloading the pg_stat_monitor source code and compiling it. The second option is to download the deb or rpm packages.
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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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https://github.com/Percona-Lab/pg_stat_monitor/releases
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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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After downloading the code, set the path for the [PostgreSQL][1] binary:
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cd pg_stat_monitor
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make USE_PGXS=1
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make USE_PGXS=1 install
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#### Usage
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There are four views, and complete statistics can be accessed using these views.
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\d 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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---------------------+------------------+-----------+----------+---------
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userid | oid | | |
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dbid | oid | | |
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queryid | bigint | | |
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query | text | | |
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calls | bigint | | |
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total_time | double precision | | |
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min_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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stddev_time | double precision | | |
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rows | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_written | bigint | | |
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local_blks_hit | bigint | | |
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local_blks_read | bigint | | |
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local_blks_dirtied | bigint | | |
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local_blks_written | bigint | | |
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temp_blks_read | bigint | | |
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temp_blks_written | bigint | | |
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blk_read_time | double precision | | |
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blk_write_time | double precision | | |
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host | integer | | |
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hist_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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slow_query | text | | |
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cpu_user_time | double precision | | |
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cpu_sys_time | double precision | | |
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regression=# \d 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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----------------+--------------------------+-----------+----------+---------
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queryid | bigint | | |
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dbid | bigint | | |
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userid | oid | | |
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host | inet | | |
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total_calls | integer | | |
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min_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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hist_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_sys_time | double precision | | |
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query | text | | |
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slow_query | text | | |
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# \d 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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----------------+--------------------------+-----------+----------+---------
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queryid | bigint | | |
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dbid | bigint | | |
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userid | oid | | |
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host | inet | | |
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total_calls | integer | | |
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min_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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hist_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_sys_time | double precision | | |
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query | text | | |
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slow_query | text | | |
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# \d pg_stat_agg_host
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View "public.pg_stat_agg_host"
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Column | Type | Collation | Nullable | Default
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----------------+--------------------------+-----------+----------+---------
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queryid | bigint | | |
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dbid | bigint | | |
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userid | oid | | |
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host | inet | | |
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total_calls | integer | | |
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min_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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hist_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_sys_time | double precision | | |
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query | text | | |
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slow_query | text | | |
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#### Limitation
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There are some limitations and Todo's.
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#### Licence
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Copyright (c) 2006 - 2019, Percona LLC.
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See [`LICENSE`][2] for full detail
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[1]: https://www.postgresql.org/
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[2]: LICENCE
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[3]: https://github.com/Percona-Lab/pg_stat_monitor/issues/new
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[4]: CONTRIBUTING.md
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