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Centralise release note items related to recovery and replication
This commit is contained in:
Simon Riggs
@ -526,32 +526,6 @@
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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Add the <link
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linkend="monitoring-stats-views-table"><structname>pg_stat_database_conflicts</></link>
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system view to show queries that have been canceled and the
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reason (Magnus Hagander)
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</para>
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<para>
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Cancelations can occur because of dropped tablespaces, lock
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timeouts, old snapshots, pinned buffers, and deadlocks.
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</para>
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</listitem>
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<listitem>
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<para>
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Add a <literal>conflicts</> count to <link
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linkend="monitoring-stats-views-table"><structname>pg_stat_database</></link>
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(Magnus Hagander)
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</para>
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<para>
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This is the number of conflicts that occurred in the database.
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</para>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Add record of last reset in database and background writer-level
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Add record of last reset in database and background writer-level
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@ -603,26 +577,10 @@
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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Add <link
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linkend="guc-restart-after-crash"><varname>restart_after_crash</></link>
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which disables server restart after a backend crash (Robert
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Haas)
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</para>
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<para>
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This is designed for cluster managers that want to control
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restarts.
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</para>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Increase the maximum values for
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Increase the maximum values for
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<link linkend="guc-deadlock-timeout"><varname>deadlock_timeout</varname></link>,
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<link linkend="guc-deadlock-timeout"><varname>deadlock_timeout</varname></link>,
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<link linkend="guc-max-standby-archive-delay"><varname>max_standby_archive_delay</varname></link>,
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<link linkend="guc-max-standby-streaming-delay"><varname>max_standby_streaming_delay</varname></link>,
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<link linkend="guc-log-min-duration-statement"><varname>log_min_duration_statement</varname></link>, and
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<link linkend="guc-log-min-duration-statement"><varname>log_min_duration_statement</varname></link>, and
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<link linkend="guc-log-autovacuum-min-duration"><varname>log_autovacuum_min_duration</varname></link>.
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<link linkend="guc-log-autovacuum-min-duration"><varname>log_autovacuum_min_duration</varname></link>.
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</para>
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</para>
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@ -640,6 +598,9 @@
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</sect3>
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</sect3>
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<sect3>
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<sect3>
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<title>Replication and Recovery</title>
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<sect4>
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<title>Streaming Replication and Continuous Archiving</title>
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<title>Streaming Replication and Continuous Archiving</title>
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<itemizedlist>
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<itemizedlist>
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@ -665,20 +626,7 @@
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<listitem>
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<listitem>
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<para>
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<para>
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Add variable <link
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Add protocol support for sending file system backups to standbys using
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linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
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to enable standbys to postpone cleanup of old row versions on the
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primary (Simon Riggs)
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</para>
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<para>
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This helps avoid cancelling long-running queries on the standby.
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</para>
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</listitem>
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<listitem>
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<para>
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Add support for sending file system backups to standbys using
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the streaming replication network connection (Magnus Hagander,
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the streaming replication network connection (Magnus Hagander,
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Heikki Linnakangas)
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Heikki Linnakangas)
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</para>
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</para>
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@ -727,8 +675,10 @@
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</itemizedlist>
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</itemizedlist>
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</sect4>
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<sect4>
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<sect4>
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<title>Monitoring</title>
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<title>Replication Monitoring</title>
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<itemizedlist>
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<itemizedlist>
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@ -762,6 +712,80 @@
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</sect4>
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</sect4>
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<sect4>
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<title>Hot Standby</title>
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<itemizedlist>
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<listitem>
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<para>
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Add variable <link
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linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
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to enable standbys to postpone cleanup of old row versions on the
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primary (Simon Riggs)
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</para>
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<para>
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This helps avoid cancelling long-running queries on the standby.
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</para>
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</listitem>
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<listitem>
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<para>
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Add the <link
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linkend="monitoring-stats-views-table"><structname>pg_stat_database_conflicts</></link>
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system view to show queries that have been canceled and the
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reason (Magnus Hagander)
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</para>
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<para>
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Cancelations can occur because of dropped tablespaces, lock
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timeouts, old snapshots, pinned buffers, and deadlocks.
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</para>
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</listitem>
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<listitem>
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<para>
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Add a <literal>conflicts</> count to <link
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linkend="monitoring-stats-views-table"><structname>pg_stat_database</></link>
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(Magnus Hagander)
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</para>
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<para>
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This is the number of conflicts that occurred in the database.
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</para>
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</listitem>
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<listitem>
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<para>
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Increase the maximum values for
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<link linkend="guc-max-standby-archive-delay"><varname>max_standby_archive_delay</varname></link> and
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<link linkend="guc-max-standby-streaming-delay"><varname>max_standby_streaming_delay</varname></link>.
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</para>
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<para>
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The maximum value for each of these parameters was previously
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only about 35 minutes. Much larger values are now allowed.
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</para>
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</listitem>
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<listitem>
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<para>
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Add <link
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linkend="errcodes-table"><literal>ERRCODE_T_R_DATABASE_DROPPED</></link>
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error code to report recovery conflicts due to dropped databases
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(Tatsuo Ishii)
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</para>
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<para>
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This is useful for connection pooling software.
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<sect4>
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<title>Recovery Control</title>
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<title>Recovery Control</title>
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@ -783,6 +807,19 @@
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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Add <filename>recovery.conf</> setting <link
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linkend="pause-at-recovery-target"><varname>pause_at_recovery_target</></link>
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to pause recovery at target (Simon Riggs)
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</para>
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<para>
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This allows a recovery server to be queried to check if the
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recovery point is the one desired.
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</para>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Add the ability to create named restore points using <link
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Add the ability to create named restore points using <link
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@ -797,19 +834,6 @@
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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Add <filename>recovery.conf</> setting <link
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linkend="pause-at-recovery-target"><varname>pause_at_recovery_target</></link>
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to pause recovery at target (Simon Riggs)
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</para>
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<para>
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This allows a recovery server to be queried to check if the
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recovery point is the one desired.
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</para>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Allow standby recovery to switch to a new timeline automatically
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Allow standby recovery to switch to a new timeline automatically
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@ -822,6 +846,20 @@
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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Add <link
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linkend="guc-restart-after-crash"><varname>restart_after_crash</></link>
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which disables server restart after a backend crash (Robert
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Haas)
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</para>
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<para>
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This allows external cluster management software to take control
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of whether servers restart or not.
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</para>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Allow <link
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Allow <link
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@ -1559,19 +1597,6 @@
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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Add <link
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linkend="errcodes-table"><literal>ERRCODE_T_R_DATABASE_DROPPED</></link>
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error code to report recovery conflicts due to dropped databases
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(Tatsuo Ishii)
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</para>
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<para>
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This is useful for connection pooling software.
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</para>
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</listitem>
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</itemizedlist>
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</itemizedlist>
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</sect4>
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</sect4>
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Reference in New Issue
Block a user