diff options
-rw-r--r-- | doc/src/sgml/catalogs.sgml | 5 | ||||
-rw-r--r-- | doc/src/sgml/config.sgml | 19 | ||||
-rw-r--r-- | doc/src/sgml/high-availability.sgml | 6 | ||||
-rw-r--r-- | doc/src/sgml/logical-replication.sgml | 3 | ||||
-rw-r--r-- | doc/src/sgml/logicaldecoding.sgml | 3 | ||||
-rw-r--r-- | doc/src/sgml/monitoring.sgml | 375 | ||||
-rw-r--r-- | doc/src/sgml/ref/initdb.sgml | 3 | ||||
-rw-r--r-- | doc/src/sgml/ref/pg_basebackup.sgml | 3 | ||||
-rw-r--r-- | doc/src/sgml/sslinfo.sgml | 3 |
9 files changed, 300 insertions, 120 deletions
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml index 70fda9408b4..700271fd40e 100644 --- a/doc/src/sgml/catalogs.sgml +++ b/doc/src/sgml/catalogs.sgml @@ -10455,8 +10455,9 @@ SCRAM-SHA-256$<replaceable><iteration count></replaceable>:<replaceable>&l <para> The <structfield>pid</structfield> column can be joined to the - <structfield>pid</structfield> column of the <link - linkend="pg-stat-activity-view"><structname>pg_stat_activity</structname></link> + <structfield>pid</structfield> column of the + <link linkend="monitoring-pg-stat-activity-view"> + <structname>pg_stat_activity</structname></link> view to get more information on the session holding or awaiting each lock, for example diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index a2694e548a4..4eef970d416 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -3889,9 +3889,9 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows The synchronous standbys will be those whose names appear in this list, and that are both currently connected and streaming data in real-time - (as shown by a state of <literal>streaming</literal> in the <link - linkend="pg-stat-replication-view"><literal>pg_stat_replication</literal></link> - view). + (as shown by a state of <literal>streaming</literal> in the + <link linkend="monitoring-pg-stat-replication-view"> + <structname>pg_stat_replication</structname></link> view). Specifying more than one synchronous standby can allow for very high availability and protection against data loss. </para> @@ -4244,8 +4244,8 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" Specifies the minimum frequency for the WAL receiver process on the standby to send information about replication progress to the primary or upstream standby, where it can be seen using the - <link - linkend="pg-stat-replication-view"><literal>pg_stat_replication</literal></link> + <link linkend="monitoring-pg-stat-replication-view"> + <structname>pg_stat_replication</structname></link> view. The standby will report the last write-ahead log location it has written, the last position it has flushed to disk, and the last position it has applied. @@ -6694,8 +6694,10 @@ local0.* /var/log/postgresql <para> The backend type corresponds to the column - <structfield>backend_type</structfield> in the view <xref - linkend="pg-stat-activity-view"/>, but additional types can appear + <structfield>backend_type</structfield> in the view + <link linkend="monitoring-pg-stat-activity-view"> + <structname>pg_stat_activity</structname></link>, + but additional types can appear in the log that don't show in that view. </para> @@ -7191,7 +7193,8 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv; platforms. You can use the <xref linkend="pgtesttiming"/> tool to measure the overhead of timing on your system. I/O timing information is - displayed in <xref linkend="pg-stat-database-view"/>, in the output of + displayed in <link linkend="monitoring-pg-stat-database-view"> + <structname>pg_stat_database</structname></link>, in the output of <xref linkend="sql-explain"/> when the <literal>BUFFERS</literal> option is used, and by <xref linkend="pgstatstatements"/>. Only superusers can change this setting. diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml index 805e1000557..65c3fc62a97 100644 --- a/doc/src/sgml/high-availability.sgml +++ b/doc/src/sgml/high-availability.sgml @@ -895,7 +895,8 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass' </para> <para> You can retrieve a list of WAL sender processes via the - <xref linkend="pg-stat-replication-view"/> view. Large differences between + <link linkend="monitoring-pg-stat-replication-view"><structname> + pg_stat_replication</structname></link> view. Large differences between <function>pg_current_wal_lsn</function> and the view's <literal>sent_lsn</literal> field might indicate that the master server is under heavy load, while differences between <literal>sent_lsn</literal> and @@ -904,7 +905,8 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass' </para> <para> On a hot standby, the status of the WAL receiver process can be retrieved - via the <xref linkend="pg-stat-wal-receiver-view"/> view. A large + via the <link linkend="monitoring-pg-stat-wal-receiver-view"> + <structname>pg_stat_wal_receiver</structname></link> view. A large difference between <function>pg_last_wal_replay_lsn</function> and the view's <literal>flushed_lsn</literal> indicates that WAL is being received faster than it can be replayed. diff --git a/doc/src/sgml/logical-replication.sgml b/doc/src/sgml/logical-replication.sgml index eba331a72b5..e19bb3fd650 100644 --- a/doc/src/sgml/logical-replication.sgml +++ b/doc/src/sgml/logical-replication.sgml @@ -495,7 +495,8 @@ <para> The monitoring information about subscription is visible in - <link linkend="pg-stat-subscription"><literal>pg_stat_subscription</literal></link>. + <link linkend="monitoring-pg-stat-subscription"> + <structname>pg_stat_subscription</structname></link>. This view contains one row for every subscription worker. A subscription can have zero or more active subscription workers depending on its state. </para> diff --git a/doc/src/sgml/logicaldecoding.sgml b/doc/src/sgml/logicaldecoding.sgml index bad3bfe6206..c89f93cf6bb 100644 --- a/doc/src/sgml/logicaldecoding.sgml +++ b/doc/src/sgml/logicaldecoding.sgml @@ -347,7 +347,8 @@ $ pg_recvlogical -d postgres --slot=test --drop-slot <para> The <link linkend="view-pg-replication-slots"><structname>pg_replication_slots</structname></link> view and the - <link linkend="pg-stat-replication-view"><structname>pg_stat_replication</structname></link> + <link linkend="monitoring-pg-stat-replication-view"> + <structname>pg_stat_replication</structname></link> view provide information about the current state of replication slots and streaming replication connections respectively. These views apply to both physical and logical replication. diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 49d4bb13b9e..321a0f4bb11 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -300,7 +300,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row per server process, showing information related to the current activity of that process, such as state and current query. - See <xref linkend="pg-stat-activity-view"/> for details. + See <link linkend="monitoring-pg-stat-activity-view"> + <structname>pg_stat_activity</structname></link> for details. </entry> </row> @@ -308,7 +309,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_replication</structname><indexterm><primary>pg_stat_replication</primary></indexterm></entry> <entry>One row per WAL sender process, showing statistics about replication to that sender's connected standby server. - See <xref linkend="pg-stat-replication-view"/> for details. + See <link linkend="monitoring-pg-stat-replication-view"> + <structname>pg_stat_replication</structname></link> for details. </entry> </row> @@ -316,7 +318,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_wal_receiver</structname><indexterm><primary>pg_stat_wal_receiver</primary></indexterm></entry> <entry>Only one row, showing statistics about the WAL receiver from that receiver's connected server. - See <xref linkend="pg-stat-wal-receiver-view"/> for details. + See <link linkend="monitoring-pg-stat-wal-receiver-view"> + <structname>pg_stat_wal_receiver</structname></link> for details. </entry> </row> @@ -324,7 +327,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_subscription</structname><indexterm><primary>pg_stat_subscription</primary></indexterm></entry> <entry>At least one row per subscription, showing information about the subscription workers. - See <xref linkend="pg-stat-subscription"/> for details. + See <link linkend="monitoring-pg-stat-subscription"> + <structname>pg_stat_subscription</structname></link> for details. </entry> </row> @@ -332,7 +336,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_ssl</structname><indexterm><primary>pg_stat_ssl</primary></indexterm></entry> <entry>One row per connection (regular and replication), showing information about SSL used on this connection. - See <xref linkend="pg-stat-ssl-view"/> for details. + See <link linkend="monitoring-pg-stat-ssl-view"> + <structname>pg_stat_ssl</structname></link> for details. </entry> </row> @@ -340,7 +345,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_gssapi</structname><indexterm><primary>pg_stat_gssapi</primary></indexterm></entry> <entry>One row per connection (regular and replication), showing information about GSSAPI authentication and encryption used on this connection. - See <xref linkend="pg-stat-gssapi-view"/> for details. + See <link linkend="monitoring-pg-stat-gssapi-view"> + <structname>pg_stat_gssapi</structname></link> for details. </entry> </row> @@ -404,7 +410,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_archiver</structname><indexterm><primary>pg_stat_archiver</primary></indexterm></entry> <entry>One row only, showing statistics about the WAL archiver process's activity. See - <xref linkend="pg-stat-archiver-view"/> for details. + <link linkend="monitoring-pg-stat-archiver-view"> + <structname>pg_stat_archiver</structname></link> for details. </entry> </row> @@ -412,14 +419,16 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry><structname>pg_stat_bgwriter</structname><indexterm><primary>pg_stat_bgwriter</primary></indexterm></entry> <entry>One row only, showing statistics about the background writer process's activity. See - <xref linkend="pg-stat-bgwriter-view"/> for details. + <link linkend="monitoring-pg-stat-bgwriter-view"> + <structname>pg_stat_bgwriter</structname></link> for details. </entry> </row> <row> <entry><structname>pg_stat_database</structname><indexterm><primary>pg_stat_database</primary></indexterm></entry> <entry>One row per database, showing database-wide statistics. See - <xref linkend="pg-stat-database-view"/> for details. + <link linkend="monitoring-pg-stat-database-view"> + <structname>pg_stat_database</structname></link> for details. </entry> </row> @@ -428,7 +437,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row per database, showing database-wide statistics about query cancels due to conflict with recovery on standby servers. - See <xref linkend="pg-stat-database-conflicts-view"/> for details. + See <link linkend="monitoring-pg-stat-database-conflicts-view"> + <structname>pg_stat_database_conflicts</structname></link> for details. </entry> </row> @@ -437,7 +447,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row for each table in the current database, showing statistics about accesses to that specific table. - See <xref linkend="pg-stat-all-tables-view"/> for details. + See <link linkend="monitoring-pg-stat-all-tables-view"> + <structname>pg_stat_all_tables</structname></link> for details. </entry> </row> @@ -479,7 +490,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row for each index in the current database, showing statistics about accesses to that specific index. - See <xref linkend="pg-stat-all-indexes-view"/> for details. + See <link linkend="monitoring-pg-stat-all-indexes-view"> + <structname>pg_stat_all_indexes</structname></link> for details. </entry> </row> @@ -500,7 +512,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row for each table in the current database, showing statistics about I/O on that specific table. - See <xref linkend="pg-statio-all-tables-view"/> for details. + See <link linkend="monitoring-pg-statio-all-tables-view"> + <structname>pg_statio_all_tables</structname></link> for details. </entry> </row> @@ -521,7 +534,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row for each index in the current database, showing statistics about I/O on that specific index. - See <xref linkend="pg-statio-all-indexes-view"/> for details. + See <link linkend="monitoring-pg-statio-all-indexes-view"> + <structname>pg_statio_all_indexes</structname></link> for details. </entry> </row> @@ -542,7 +556,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row for each sequence in the current database, showing statistics about I/O on that specific sequence. - See <xref linkend="pg-statio-all-sequences-view"/> for details. + See <link linkend="monitoring-pg-statio-all-sequences-view"> + <structname>pg_statio_all_sequences</structname></link> for details. </entry> </row> @@ -564,7 +579,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry> One row for each tracked function, showing statistics about executions of that function. See - <xref linkend="pg-stat-user-functions-view"/> for details. + <link linkend="monitoring-pg-stat-user-functions-view"> + <structname>pg_stat_user_functions</structname></link> for details. </entry> </row> @@ -578,7 +594,8 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <row> <entry><structname>pg_stat_slru</structname><indexterm><primary>pg_stat_slru</primary></indexterm></entry> <entry>One row per SLRU, showing statistics of operations. See - <xref linkend="pg-stat-slru-view"/> for details. + <link linkend="monitoring-pg-stat-slru-view"> + <structname>pg_stat_slru</structname></link> for details. </entry> </row> @@ -608,6 +625,20 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser into the kernel's handling of I/O. </para> + </sect2> + + <sect2 id="monitoring-pg-stat-activity-view"> + <title><structname>pg_stat_activity</structname></title> + + <indexterm> + <primary>pg_stat_activity</primary> + </indexterm> + + <para> + The <structname>pg_stat_activity</structname> view will have one row + per server process, showing information related to + the current activity of that process. + </para> <table id="pg-stat-activity-view" xreflabel="pg_stat_activity"> <title><structname>pg_stat_activity</structname> View</title> @@ -889,12 +920,6 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser </tgroup> </table> - <para> - The <structname>pg_stat_activity</structname> view will have one row - per server process, showing information related to - the current activity of that process. - </para> - <note> <para> The <structfield>wait_event</structfield> and <structfield>state</structfield> columns are @@ -2135,14 +2160,30 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <programlisting> SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event is NOT NULL; - pid | wait_event_type | wait_event -------+-----------------+--------------- + pid | wait_event_type | wait_event +------+-----------------+------------ 2540 | Lock | relation - 6644 | LWLock | ProcArrayLock + 6644 | LWLock | ProcArray (2 rows) </programlisting> </para> + </sect2> + + <sect2 id="monitoring-pg-stat-replication-view"> + <title><structname>pg_stat_replication</structname></title> + + <indexterm> + <primary>pg_stat_replication</primary> + </indexterm> + + <para> + The <structname>pg_stat_replication</structname> view will contain one row + per WAL sender process, showing statistics about replication to that + sender's connected standby server. Only directly connected standbys are + listed; no information is available about downstream standby servers. + </para> + <table id="pg-stat-replication-view" xreflabel="pg_stat_replication"> <title><structname>pg_stat_replication</structname> View</title> <tgroup cols="1"> @@ -2458,13 +2499,6 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </table> <para> - The <structname>pg_stat_replication</structname> view will contain one row - per WAL sender process, showing statistics about replication to that - sender's connected standby server. Only directly connected standbys are - listed; no information is available about downstream standby servers. - </para> - - <para> The lag times reported in the <structname>pg_stat_replication</structname> view are measurements of the time taken for recent WAL to be written, flushed and replayed and for the sender to know about it. These times @@ -2503,6 +2537,21 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </para> </note> + </sect2> + + <sect2 id="monitoring-pg-stat-wal-receiver-view"> + <title><structname>pg_stat_wal_receiver</structname></title> + + <indexterm> + <primary>pg_stat_wal_receiver</primary> + </indexterm> + + <para> + The <structname>pg_stat_wal_receiver</structname> view will contain only + one row, showing statistics about the WAL receiver from that receiver's + connected server. + </para> + <table id="pg-stat-wal-receiver-view" xreflabel="pg_stat_wal_receiver"> <title><structname>pg_stat_wal_receiver</structname> View</title> <tgroup cols="1"> @@ -2668,10 +2717,20 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-subscription"> + <title><structname>pg_stat_subscription</structname></title> + + <indexterm> + <primary>pg_stat_subscription</primary> + </indexterm> + <para> - The <structname>pg_stat_wal_receiver</structname> view will contain only - one row, showing statistics about the WAL receiver from that receiver's - connected server. + The <structname>pg_stat_subscription</structname> view will contain one + row per subscription for main worker (with null PID if the worker is + not running), and additional rows for workers handling the initial data + copy of the subscribed tables. </para> <table id="pg-stat-subscription" xreflabel="pg_stat_subscription"> @@ -2776,11 +2835,22 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-ssl-view"> + <title><structname>pg_stat_ssl</structname></title> + + <indexterm> + <primary>pg_stat_ssl</primary> + </indexterm> + <para> - The <structname>pg_stat_subscription</structname> view will contain one - row per subscription for main worker (with null PID if the worker is - not running), and additional rows for workers handling the initial data - copy of the subscribed tables. + The <structname>pg_stat_ssl</structname> view will contain one row per + backend or WAL sender process, showing statistics about SSL usage on + this connection. It can be joined to <structname>pg_stat_activity</structname> + or <structname>pg_stat_replication</structname> on the + <structfield>pid</structfield> column to get more details about the + connection. </para> <table id="pg-stat-ssl-view" xreflabel="pg_stat_ssl"> @@ -2896,11 +2966,20 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-gssapi-view"> + <title><structname>pg_stat_gssapi</structname></title> + + <indexterm> + <primary>pg_stat_gssapi</primary> + </indexterm> + <para> - The <structname>pg_stat_ssl</structname> view will contain one row per - backend or WAL sender process, showing statistics about SSL usage on - this connection. It can be joined to <structname>pg_stat_activity</structname> - or <structname>pg_stat_replication</structname> on the + The <structname>pg_stat_gssapi</structname> view will contain one row per + backend, showing information about GSSAPI usage on this connection. It can + be joined to <structname>pg_stat_activity</structname> or + <structname>pg_stat_replication</structname> on the <structfield>pid</structfield> column to get more details about the connection. </para> @@ -2962,16 +3041,20 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-archiver-view"> + <title><structname>pg_stat_archiver</structname></title> + + <indexterm> + <primary>pg_stat_archiver</primary> + </indexterm> + <para> - The <structname>pg_stat_gssapi</structname> view will contain one row per - backend, showing information about GSSAPI usage on this connection. It can - be joined to <structname>pg_stat_activity</structname> or - <structname>pg_stat_replication</structname> on the - <structfield>pid</structfield> column to get more details about the - connection. + The <structname>pg_stat_archiver</structname> view will always have a + single row, containing data about the archiver process of the cluster. </para> - <table id="pg-stat-archiver-view" xreflabel="pg_stat_archiver"> <title><structname>pg_stat_archiver</structname> View</title> <tgroup cols="1"> @@ -3053,9 +3136,18 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-bgwriter-view"> + <title><structname>pg_stat_bgwriter</structname></title> + + <indexterm> + <primary>pg_stat_bgwriter</primary> + </indexterm> + <para> - The <structname>pg_stat_archiver</structname> view will always have a - single row, containing data about the archiver process of the cluster. + The <structname>pg_stat_bgwriter</structname> view will always have a + single row, containing global data for the cluster. </para> <table id="pg-stat-bgwriter-view" xreflabel="pg_stat_bgwriter"> @@ -3181,9 +3273,19 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-database-view"> + <title><structname>pg_stat_database</structname></title> + + <indexterm> + <primary>pg_stat_database</primary> + </indexterm> + <para> - The <structname>pg_stat_bgwriter</structname> view will always have a - single row, containing global data for the cluster. + The <structname>pg_stat_database</structname> view will contain one row + for each database in the cluster, plus one for shared objects, showing + database-wide statistics. </para> <table id="pg-stat-database-view" xreflabel="pg_stat_database"> @@ -3325,7 +3427,8 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i <para> Number of queries canceled due to conflicts with recovery in this database. (Conflicts occur only on standby servers; see - <xref linkend="pg-stat-database-conflicts-view"/> for details.) + <link linkend="monitoring-pg-stat-database-conflicts-view"> + <structname>pg_stat_database_conflicts</structname></link> for details.) </para></entry> </row> @@ -3418,10 +3521,21 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-database-conflicts-view"> + <title><structname>pg_stat_database_conflicts</structname></title> + + <indexterm> + <primary>pg_stat_database_conflicts</primary> + </indexterm> + <para> - The <structname>pg_stat_database</structname> view will contain one row - for each database in the cluster, plus one for shared objects, showing - database-wide statistics. + The <structname>pg_stat_database_conflicts</structname> view will contain + one row per database, showing database-wide statistics about + query cancels occurring due to conflicts with recovery on standby servers. + This view will only contain information on standby servers, since + conflicts do not occur on master servers. </para> <table id="pg-stat-database-conflicts-view" xreflabel="pg_stat_database_conflicts"> @@ -3510,12 +3624,23 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-all-tables-view"> + <title><structname>pg_stat_all_tables</structname></title> + + <indexterm> + <primary>pg_stat_all_tables</primary> + </indexterm> + <para> - The <structname>pg_stat_database_conflicts</structname> view will contain - one row per database, showing database-wide statistics about - query cancels occurring due to conflicts with recovery on standby servers. - This view will only contain information on standby servers, since - conflicts do not occur on master servers. + The <structname>pg_stat_all_tables</structname> view will contain + one row for each table in the current database (including TOAST + tables), showing statistics about accesses to that specific table. The + <structname>pg_stat_user_tables</structname> and + <structname>pg_stat_sys_tables</structname> views + contain the same information, + but filtered to only show user and system tables respectively. </para> <table id="pg-stat-all-tables-view" xreflabel="pg_stat_all_tables"> @@ -3750,14 +3875,23 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-all-indexes-view"> + <title><structname>pg_stat_all_indexes</structname></title> + + <indexterm> + <primary>pg_stat_all_indexes</primary> + </indexterm> + <para> - The <structname>pg_stat_all_tables</structname> view will contain - one row for each table in the current database (including TOAST - tables), showing statistics about accesses to that specific table. The - <structname>pg_stat_user_tables</structname> and - <structname>pg_stat_sys_tables</structname> views + The <structname>pg_stat_all_indexes</structname> view will contain + one row for each index in the current database, + showing statistics about accesses to that specific index. The + <structname>pg_stat_user_indexes</structname> and + <structname>pg_stat_sys_indexes</structname> views contain the same information, - but filtered to only show user and system tables respectively. + but filtered to only show user and system indexes respectively. </para> <table id="pg-stat-all-indexes-view" xreflabel="pg_stat_all_indexes"> @@ -3852,16 +3986,6 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </table> <para> - The <structname>pg_stat_all_indexes</structname> view will contain - one row for each index in the current database, - showing statistics about accesses to that specific index. The - <structname>pg_stat_user_indexes</structname> and - <structname>pg_stat_sys_indexes</structname> views - contain the same information, - but filtered to only show user and system indexes respectively. - </para> - - <para> Indexes can be used by simple index scans, <quote>bitmap</quote> index scans, and the optimizer. In a bitmap scan the output of several indexes can be combined via AND or OR rules, @@ -3890,6 +4014,25 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </para> </note> + </sect2> + + <sect2 id="monitoring-pg-statio-all-tables-view"> + <title><structname>pg_statio_all_tables</structname></title> + + <indexterm> + <primary>pg_statio_all_tables</primary> + </indexterm> + + <para> + The <structname>pg_statio_all_tables</structname> view will contain + one row for each table in the current database (including TOAST + tables), showing statistics about I/O on that specific table. The + <structname>pg_statio_user_tables</structname> and + <structname>pg_statio_sys_tables</structname> views + contain the same information, + but filtered to only show user and system tables respectively. + </para> + <table id="pg-statio-all-tables-view" xreflabel="pg_statio_all_tables"> <title><structname>pg_statio_all_tables</structname> View</title> <tgroup cols="1"> @@ -4007,14 +4150,23 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-statio-all-indexes-view"> + <title><structname>pg_statio_all_indexes</structname></title> + + <indexterm> + <primary>pg_statio_all_indexes</primary> + </indexterm> + <para> - The <structname>pg_statio_all_tables</structname> view will contain - one row for each table in the current database (including TOAST - tables), showing statistics about I/O on that specific table. The - <structname>pg_statio_user_tables</structname> and - <structname>pg_statio_sys_tables</structname> views + The <structname>pg_statio_all_indexes</structname> view will contain + one row for each index in the current database, + showing statistics about I/O on that specific index. The + <structname>pg_statio_user_indexes</structname> and + <structname>pg_statio_sys_indexes</structname> views contain the same information, - but filtered to only show user and system tables respectively. + but filtered to only show user and system indexes respectively. </para> <table id="pg-statio-all-indexes-view" xreflabel="pg_statio_all_indexes"> @@ -4098,14 +4250,19 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-statio-all-sequences-view"> + <title><structname>pg_statio_all_sequences</structname></title> + + <indexterm> + <primary>pg_statio_all_sequences</primary> + </indexterm> + <para> - The <structname>pg_statio_all_indexes</structname> view will contain - one row for each index in the current database, - showing statistics about I/O on that specific index. The - <structname>pg_statio_user_indexes</structname> and - <structname>pg_statio_sys_indexes</structname> views - contain the same information, - but filtered to only show user and system indexes respectively. + The <structname>pg_statio_all_sequences</structname> view will contain + one row for each sequence in the current database, + showing statistics about I/O on that specific sequence. </para> <table id="pg-statio-all-sequences-view" xreflabel="pg_statio_all_sequences"> @@ -4171,10 +4328,20 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-user-functions-view"> + <title><structname>pg_stat_user_functions</structname></title> + + <indexterm> + <primary>pg_stat_user_functions</primary> + </indexterm> + <para> - The <structname>pg_statio_all_sequences</structname> view will contain - one row for each sequence in the current database, - showing statistics about I/O on that specific sequence. + The <structname>pg_stat_user_functions</structname> view will contain + one row for each tracked function, showing statistics about executions of + that function. The <xref linkend="guc-track-functions"/> parameter + controls exactly which functions are tracked. </para> <table id="pg-stat-user-functions-view" xreflabel="pg_stat_user_functions"> @@ -4251,10 +4418,19 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> + </sect2> + + <sect2 id="monitoring-pg-stat-slru-view"> + <title><structname>pg_stat_slru</structname></title> + <indexterm> <primary>SLRU</primary> </indexterm> + <indexterm> + <primary>pg_stat_slru</primary> + </indexterm> + <para> <productname>PostgreSQL</productname> accesses certain on-disk information via <firstterm>SLRU</firstterm> (simple least-recently-used) caches. @@ -4364,13 +4540,6 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i </tgroup> </table> - <para> - The <structname>pg_stat_user_functions</structname> view will contain - one row for each tracked function, showing statistics about executions of - that function. The <xref linkend="guc-track-functions"/> parameter - controls exactly which functions are tracked. - </para> - </sect2> <sect2 id="monitoring-stats-functions"> diff --git a/doc/src/sgml/ref/initdb.sgml b/doc/src/sgml/ref/initdb.sgml index a04a1801650..63e148833fc 100644 --- a/doc/src/sgml/ref/initdb.sgml +++ b/doc/src/sgml/ref/initdb.sgml @@ -219,7 +219,8 @@ PostgreSQL documentation may incur a noticeable performance penalty. If set, checksums are calculated for all objects, in all databases. All checksum failures will be reported in the - <xref linkend="pg-stat-database-view"/> view. + <link linkend="monitoring-pg-stat-database-view"> + <structname>pg_stat_database</structname></link> view. </para> </listitem> </varlistentry> diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml index 12fadabfb86..d31fb1ce920 100644 --- a/doc/src/sgml/ref/pg_basebackup.sgml +++ b/doc/src/sgml/ref/pg_basebackup.sgml @@ -533,7 +533,8 @@ PostgreSQL documentation in a non-zero exit status. However, the base backup will not be removed in such a case, as if the <option>--no-clean</option> option had been used. Checksum verifications failures will also be reported - in the <xref linkend="pg-stat-database-view"/> view. + in the <link linkend="monitoring-pg-stat-database-view"> + <structname>pg_stat_database</structname></link> view. </para> </listitem> </varlistentry> diff --git a/doc/src/sgml/sslinfo.sgml b/doc/src/sgml/sslinfo.sgml index 78ff83d6422..c237d4ba95d 100644 --- a/doc/src/sgml/sslinfo.sgml +++ b/doc/src/sgml/sslinfo.sgml @@ -16,7 +16,8 @@ <para> Some of the information available through this module can also be obtained - using the built-in system view <xref linkend="pg-stat-ssl-view"/>. + using the built-in system view <link linkend="monitoring-pg-stat-ssl-view"> + <structname>pg_stat_ssl</structname></link>. </para> <para> |