mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-09 08:10:09 +08:00
Centralise release note items related to recovery and replication
This commit is contained in:
Simon Riggs
parent
35d2a660fe
commit
479ee1b962
@ -526,32 +526,6 @@
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add the <link
|
||||
linkend="monitoring-stats-views-table"><structname>pg_stat_database_conflicts</></link>
|
||||
system view to show queries that have been canceled and the
|
||||
reason (Magnus Hagander)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Cancelations can occur because of dropped tablespaces, lock
|
||||
timeouts, old snapshots, pinned buffers, and deadlocks.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add a <literal>conflicts</> count to <link
|
||||
linkend="monitoring-stats-views-table"><structname>pg_stat_database</></link>
|
||||
(Magnus Hagander)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This is the number of conflicts that occurred in the database.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add record of last reset in database and background writer-level
|
||||
@ -603,26 +577,10 @@
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add <link
|
||||
linkend="guc-restart-after-crash"><varname>restart_after_crash</></link>
|
||||
which disables server restart after a backend crash (Robert
|
||||
Haas)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This is designed for cluster managers that want to control
|
||||
restarts.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Increase the maximum values for
|
||||
<link linkend="guc-deadlock-timeout"><varname>deadlock_timeout</varname></link>,
|
||||
<link linkend="guc-max-standby-archive-delay"><varname>max_standby_archive_delay</varname></link>,
|
||||
<link linkend="guc-max-standby-streaming-delay"><varname>max_standby_streaming_delay</varname></link>,
|
||||
<link linkend="guc-log-min-duration-statement"><varname>log_min_duration_statement</varname></link>, and
|
||||
<link linkend="guc-log-autovacuum-min-duration"><varname>log_autovacuum_min_duration</varname></link>.
|
||||
</para>
|
||||
@ -640,6 +598,9 @@
|
||||
</sect3>
|
||||
|
||||
<sect3>
|
||||
<title>Replication and Recovery</title>
|
||||
|
||||
<sect4>
|
||||
<title>Streaming Replication and Continuous Archiving</title>
|
||||
|
||||
<itemizedlist>
|
||||
@ -665,20 +626,7 @@
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add variable <link
|
||||
linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
|
||||
to enable standbys to postpone cleanup of old row versions on the
|
||||
primary (Simon Riggs)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This helps avoid cancelling long-running queries on the standby.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add support for sending file system backups to standbys using
|
||||
Add protocol support for sending file system backups to standbys using
|
||||
the streaming replication network connection (Magnus Hagander,
|
||||
Heikki Linnakangas)
|
||||
</para>
|
||||
@ -727,8 +675,10 @@
|
||||
|
||||
</itemizedlist>
|
||||
|
||||
</sect4>
|
||||
|
||||
<sect4>
|
||||
<title>Monitoring</title>
|
||||
<title>Replication Monitoring</title>
|
||||
|
||||
<itemizedlist>
|
||||
|
||||
@ -762,6 +712,80 @@
|
||||
|
||||
</sect4>
|
||||
|
||||
<sect4>
|
||||
<title>Hot Standby</title>
|
||||
|
||||
<itemizedlist>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add variable <link
|
||||
linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
|
||||
to enable standbys to postpone cleanup of old row versions on the
|
||||
primary (Simon Riggs)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This helps avoid cancelling long-running queries on the standby.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add the <link
|
||||
linkend="monitoring-stats-views-table"><structname>pg_stat_database_conflicts</></link>
|
||||
system view to show queries that have been canceled and the
|
||||
reason (Magnus Hagander)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Cancelations can occur because of dropped tablespaces, lock
|
||||
timeouts, old snapshots, pinned buffers, and deadlocks.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add a <literal>conflicts</> count to <link
|
||||
linkend="monitoring-stats-views-table"><structname>pg_stat_database</></link>
|
||||
(Magnus Hagander)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This is the number of conflicts that occurred in the database.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Increase the maximum values for
|
||||
<link linkend="guc-max-standby-archive-delay"><varname>max_standby_archive_delay</varname></link> and
|
||||
<link linkend="guc-max-standby-streaming-delay"><varname>max_standby_streaming_delay</varname></link>.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
The maximum value for each of these parameters was previously
|
||||
only about 35 minutes. Much larger values are now allowed.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add <link
|
||||
linkend="errcodes-table"><literal>ERRCODE_T_R_DATABASE_DROPPED</></link>
|
||||
error code to report recovery conflicts due to dropped databases
|
||||
(Tatsuo Ishii)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This is useful for connection pooling software.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
</itemizedlist>
|
||||
|
||||
</sect4>
|
||||
|
||||
<sect4>
|
||||
<title>Recovery Control</title>
|
||||
|
||||
@ -783,6 +807,19 @@
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add <filename>recovery.conf</> setting <link
|
||||
linkend="pause-at-recovery-target"><varname>pause_at_recovery_target</></link>
|
||||
to pause recovery at target (Simon Riggs)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This allows a recovery server to be queried to check if the
|
||||
recovery point is the one desired.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add the ability to create named restore points using <link
|
||||
@ -797,19 +834,6 @@
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add <filename>recovery.conf</> setting <link
|
||||
linkend="pause-at-recovery-target"><varname>pause_at_recovery_target</></link>
|
||||
to pause recovery at target (Simon Riggs)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This allows a recovery server to be queried to check if the
|
||||
recovery point is the one desired.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Allow standby recovery to switch to a new timeline automatically
|
||||
@ -822,6 +846,20 @@
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add <link
|
||||
linkend="guc-restart-after-crash"><varname>restart_after_crash</></link>
|
||||
which disables server restart after a backend crash (Robert
|
||||
Haas)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This allows external cluster management software to take control
|
||||
of whether servers restart or not.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Allow <link
|
||||
@ -1559,19 +1597,6 @@
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Add <link
|
||||
linkend="errcodes-table"><literal>ERRCODE_T_R_DATABASE_DROPPED</></link>
|
||||
error code to report recovery conflicts due to dropped databases
|
||||
(Tatsuo Ishii)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This is useful for connection pooling software.
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
</itemizedlist>
|
||||
|
||||
</sect4>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user