mirror of
https://git.postgresql.org/git/postgresql.git
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Move PITR and StreamingRep up one level of heading in the 9.1 release
notes. Remove excessive linking to pg_ctl manual page. Reorder incompatibility sections.
This commit is contained in:
Bruce Momjian
parent
0f96ae643c
commit
c2f4ea469b
@ -40,40 +40,6 @@
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Observe the following incompatibilities:
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</para>
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<sect3>
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<title>Server Settings</title>
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<itemizedlist>
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<listitem>
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<para>
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Change <link
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linkend="functions-recovery-info-table"><function>pg_last_xlog_receive_location()</></link>
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so it never moves backwards (Fujii Masao)
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</para>
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<para>
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Previously <function>pg_last_xlog_receive_location()</> could
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move backward when streaming replication is restarted.
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</para>
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</listitem>
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<listitem>
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<para>
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Have logging of replication connections honor <link
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linkend="guc-log-connections"><varname>log_connections</></link>
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(Magnus Hagander)
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</para>
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<para>
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Previously replication connections were always logged.
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title>Strings</title>
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@ -194,6 +160,40 @@
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</sect3>
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<sect3>
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<title>Server Settings</title>
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<itemizedlist>
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<listitem>
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<para>
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Change <link
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linkend="functions-recovery-info-table"><function>pg_last_xlog_receive_location()</></link>
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so it never moves backwards (Fujii Masao)
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</para>
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<para>
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Previously <function>pg_last_xlog_receive_location()</> could
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move backward when streaming replication is restarted.
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</para>
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</listitem>
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<listitem>
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<para>
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Have logging of replication connections honor <link
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linkend="guc-log-connections"><varname>log_connections</></link>
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(Magnus Hagander)
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</para>
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<para>
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Previously replication connections were always logged.
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</para>
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</listitem>
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</itemizedlist>
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</sect3>
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<sect3>
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<title><link linkend="plpgsql">PL/pgSQL</link> Server-Side Language</title>
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@ -272,188 +272,6 @@
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<sect3>
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<title>Server</title>
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<sect4>
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<title>Continuous Archiving and Streaming Replication</title>
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<itemizedlist>
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<listitem>
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<para>
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Add a <link
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linkend="guc-synchronous-replication"><varname>synchronous_replication</></link>
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option (Simon Riggs, Fujii Masao)
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</para>
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<para>
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This allows the primary to wait for the standby to receive
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transaction information before acknowledging the commit.
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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 variable <link
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linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
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to enable standbys to communicate their needed snapshots to
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the 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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Heikki Linnakangas)
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</para>
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<para>
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This avoids the requirement of manually transferring a file
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system backup when creating a standby server.
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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 command-line tool <link
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linkend="app-pgbasebackup"><application>pg_basebackup</></link>
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for creating a new standby server or database backup (Magnus
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Hagander)
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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 new replication <link linkend="SQL-CREATEROLE">permission</link>
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for roles (Magnus Hagander)
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</para>
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<para>
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This is a read-only permission used for streaming replication
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and allows non-superusers to initiate replication connections.
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Previously only superusers could initiate replication
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connections; superusers have this permission by default.
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</para>
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</listitem>
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</itemizedlist>
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<sect5>
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<title>Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Add system view <link
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linkend="monitoring-stats-views-table"><structname>pg_stat_replication</></link>
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which displays activity of WAL sender processes (Itagaki
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Takahiro, Simon Riggs)
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</para>
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<para>
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This reports the status of all connected standby servers.
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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 monitoring function <link
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linkend="functions-recovery-info-table"><function>pg_last_xact_replay_timestamp()</></link>
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(Fujii Masao)
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</para>
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<para>
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This returns the time on the primary that generated the most
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recent commit or abort record applied on the standby.
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</para>
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</listitem>
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</itemizedlist>
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</sect5>
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<sect5>
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<title>Recovery Control</title>
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<itemizedlist>
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<listitem>
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<para>
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Add functions to control streaming replication replay (Simon
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Riggs)
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</para>
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<para>
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The new functions are <link
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linkend="functions-recovery-control-table"><function>pg_xlog_replay_pause()</></link>,
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<link
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linkend="functions-recovery-control-table"><function>pg_xlog_replay_resume()</></link>,
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and the status function <link
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linkend="functions-recovery-control-table"><function>pg_is_xlog_replay_paused()</></link>.
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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 ability to create named restore points using <link
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linkend="functions-admin-backup-table"><function>pg_create_restore_point()</></link>
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(Jaime Casanova)
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</para>
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<para>
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These named restore points can be specified as recovery
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targets in <filename>recovery.conf</>.
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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 <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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<para>
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Allow standby recovery to switch to a new timeline automatically
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(Heikki Linnakangas)
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</para>
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<para>
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Now standby servers scan the archive directory for new
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timelines periodically.
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</para>
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</listitem>
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<listitem>
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<para>
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Allow <link
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linkend="recovery-config"><filename>recovery.conf</></link>
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to use the same quoting behavior as <filename>postgresql.conf</>
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(Dimitri Fontaine)
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</para>
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<para>
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Previously all values had to be quoted.
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</para>
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</listitem>
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</itemizedlist>
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</sect5>
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</sect4>
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<sect4>
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<title>Performance</title>
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@ -759,6 +577,188 @@
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</sect3>
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<sect3>
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<title>Continuous Archiving and Streaming Replication</title>
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<itemizedlist>
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<listitem>
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<para>
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Add a <link
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linkend="guc-synchronous-replication"><varname>synchronous_replication</></link>
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option (Simon Riggs, Fujii Masao)
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</para>
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<para>
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This allows the primary to wait for the standby to receive
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transaction information before acknowledging the commit.
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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 variable <link
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linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
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to enable standbys to communicate their needed snapshots to
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the 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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Heikki Linnakangas)
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</para>
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<para>
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This avoids the requirement of manually transferring a file
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system backup when creating a standby server.
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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 command-line tool <link
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linkend="app-pgbasebackup"><application>pg_basebackup</></link>
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for creating a new standby server or database backup (Magnus
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Hagander)
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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 new replication <link linkend="SQL-CREATEROLE">permission</link>
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for roles (Magnus Hagander)
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</para>
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<para>
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This is a read-only permission used for streaming replication
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and allows non-superusers to initiate replication connections.
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Previously only superusers could initiate replication
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connections; superusers have this permission by default.
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</para>
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</listitem>
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</itemizedlist>
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<sect4>
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<title>Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Add system view <link
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linkend="monitoring-stats-views-table"><structname>pg_stat_replication</></link>
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which displays activity of WAL sender processes (Itagaki
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Takahiro, Simon Riggs)
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</para>
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<para>
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This reports the status of all connected standby servers.
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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 monitoring function <link
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linkend="functions-recovery-info-table"><function>pg_last_xact_replay_timestamp()</></link>
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(Fujii Masao)
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</para>
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<para>
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This returns the time on the primary that generated the most
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recent commit or abort record applied on the standby.
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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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<title>Recovery Control</title>
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<itemizedlist>
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<listitem>
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<para>
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Add functions to control streaming replication replay (Simon
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Riggs)
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</para>
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<para>
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The new functions are <link
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linkend="functions-recovery-control-table"><function>pg_xlog_replay_pause()</></link>,
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<link
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linkend="functions-recovery-control-table"><function>pg_xlog_replay_resume()</></link>,
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and the status function <link
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linkend="functions-recovery-control-table"><function>pg_is_xlog_replay_paused()</></link>.
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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 ability to create named restore points using <link
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linkend="functions-admin-backup-table"><function>pg_create_restore_point()</></link>
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(Jaime Casanova)
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</para>
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<para>
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These named restore points can be specified as recovery
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targets in <filename>recovery.conf</>.
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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 <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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<para>
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Allow standby recovery to switch to a new timeline automatically
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(Heikki Linnakangas)
|
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</para>
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<para>
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Now standby servers scan the archive directory for new
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timelines periodically.
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</para>
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</listitem>
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<listitem>
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<para>
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Allow <link
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linkend="recovery-config"><filename>recovery.conf</></link>
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to use the same quoting behavior as <filename>postgresql.conf</>
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(Dimitri Fontaine)
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</para>
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<para>
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Previously all values had to be quoted.
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</para>
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</listitem>
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||||
</itemizedlist>
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</sect4>
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</sect3>
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<sect3>
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<title>Queries</title>
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@ -1740,9 +1740,8 @@
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<listitem>
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<para>
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Add <literal>directory</> format to <link
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linkend="APP-PG-DUMPALL"><application>pg_dump</></link> (Joachim
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Wieland, Heikki Linnakangas)
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Add <literal>directory</> format to <application>pg_dump</>
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(Joachim Wieland, Heikki Linnakangas)
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</para>
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<para>
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@ -1762,7 +1761,7 @@
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<listitem>
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<para>
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Fix <link linkend="app-pg-ctl"><application>pg_ctl</></link>
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Fix <application>pg_ctl</>
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so it no longer incorrectly reports that the server is not
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running (Bruce Momjian)
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</para>
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@ -1775,7 +1774,7 @@
|
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<listitem>
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<para>
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||||
Improve <link linkend="app-pg-ctl"><application>pg_ctl</></link>
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Improve <application>pg_ctl</>
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start's "wait" (<option>-w</>) mode to handle non-standard
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port numbers, non-standard unix-domain socket locations,
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permission problems, and stale postmaster lock files (Bruce
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@ -1785,9 +1784,8 @@
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<listitem>
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<para>
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Add <literal>promote</> option to <link
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linkend="app-pg-ctl"><application>pg_ctl</></link> to change
|
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a standby server to primary (Fujii Masao)
|
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Add <literal>promote</> option to <application>pg_ctl</> to
|
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change a standby server to primary (Fujii Masao)
|
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</para>
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</listitem>
|
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|
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||||
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Reference in New Issue
Block a user