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Move PITR and StreamingRep up one level of heading in the 9.1 release

Browse Source 
notes.

Remove excessive linking to pg_ctl manual page.

Reorder incompatibility sections.
pull/1/head
Bruce Momjian 15 years ago
parent 0f96ae643c
commit c2f4ea469b
1 changed files with 222 additions and 224 deletions
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      doc/src/sgml/release-9.1.sgml

446
doc/src/sgml/release-9.1.sgml
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@ -40,40 +40,6 @@
Observe the following incompatibilities:
</para>
<sect3>
<title>Server Settings</title>
<itemizedlist>
<listitem>
<para>
Change <link
linkend="functions-recovery-info-table"><function>pg_last_xlog_receive_location()</></link>
so it never moves backwards (Fujii Masao)
</para>
<para>
Previously <function>pg_last_xlog_receive_location()</> could
move backward when streaming replication is restarted.
</para>
</listitem>
<listitem>
<para>
Have logging of replication connections honor <link
linkend="guc-log-connections"><varname>log_connections</></link>
(Magnus Hagander)
</para>
<para>
Previously replication connections were always logged.
</para>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Strings</title>
@ -194,6 +160,40 @@
</sect3>
<sect3>
<title>Server Settings</title>
<itemizedlist>
<listitem>
<para>
Change <link
linkend="functions-recovery-info-table"><function>pg_last_xlog_receive_location()</></link>
so it never moves backwards (Fujii Masao)
</para>
<para>
Previously <function>pg_last_xlog_receive_location()</> could
move backward when streaming replication is restarted.
</para>
</listitem>
<listitem>
<para>
Have logging of replication connections honor <link
linkend="guc-log-connections"><varname>log_connections</></link>
(Magnus Hagander)
</para>
<para>
Previously replication connections were always logged.
</para>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title><link linkend="plpgsql">PL/pgSQL</link> Server-Side Language</title>
@ -272,188 +272,6 @@
<sect3>
<title>Server</title>
<sect4>
<title>Continuous Archiving and Streaming Replication</title>
<itemizedlist>
<listitem>
<para>
Add a <link
linkend="guc-synchronous-replication"><varname>synchronous_replication</></link>
option (Simon Riggs, Fujii Masao)
</para>
<para>
This allows the primary to wait for the standby to receive
transaction information before acknowledging the commit.
</para>
</listitem>
<listitem>
<para>
Add variable <link
linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
to enable standbys to communicate their needed snapshots to
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
the streaming replication network connection (Magnus Hagander,
Heikki Linnakangas)
</para>
<para>
This avoids the requirement of manually transferring a file
system backup when creating a standby server.
</para>
</listitem>
<listitem>
<para>
Add command-line tool <link
linkend="app-pgbasebackup"><application>pg_basebackup</></link>
for creating a new standby server or database backup (Magnus
Hagander)
</para>
</listitem>
<listitem>
<para>
Add new replication <link linkend="SQL-CREATEROLE">permission</link>
for roles (Magnus Hagander)
</para>
<para>
This is a read-only permission used for streaming replication
and allows non-superusers to initiate replication connections.
Previously only superusers could initiate replication
connections; superusers have this permission by default.
</para>
</listitem>
</itemizedlist>
<sect5>
<title>Monitoring</title>
<itemizedlist>
<listitem>
<para>
Add system view <link
linkend="monitoring-stats-views-table"><structname>pg_stat_replication</></link>
which displays activity of WAL sender processes (Itagaki
Takahiro, Simon Riggs)
</para>
<para>
This reports the status of all connected standby servers.
</para>
</listitem>
<listitem>
<para>
Add monitoring function <link
linkend="functions-recovery-info-table"><function>pg_last_xact_replay_timestamp()</></link>
(Fujii Masao)
</para>
<para>
This returns the time on the primary that generated the most
recent commit or abort record applied on the standby.
</para>
</listitem>
</itemizedlist>
</sect5>
<sect5>
<title>Recovery Control</title>
<itemizedlist>
<listitem>
<para>
Add functions to control streaming replication replay (Simon
Riggs)
</para>
<para>
The new functions are <link
linkend="functions-recovery-control-table"><function>pg_xlog_replay_pause()</></link>,
<link
linkend="functions-recovery-control-table"><function>pg_xlog_replay_resume()</></link>,
and the status function <link
linkend="functions-recovery-control-table"><function>pg_is_xlog_replay_paused()</></link>.
</para>
</listitem>
<listitem>
<para>
Add the ability to create named restore points using <link
linkend="functions-admin-backup-table"><function>pg_create_restore_point()</></link>
(Jaime Casanova)
</para>
<para>
These named restore points can be specified as recovery
targets in <filename>recovery.conf</>.
</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
(Heikki Linnakangas)
</para>
<para>
Now standby servers scan the archive directory for new
timelines periodically.
</para>
</listitem>
<listitem>
<para>
Allow <link
linkend="recovery-config"><filename>recovery.conf</></link>
to use the same quoting behavior as <filename>postgresql.conf</>
(Dimitri Fontaine)
</para>
<para>
Previously all values had to be quoted.
</para>
</listitem>
</itemizedlist>
</sect5>
</sect4>
<sect4>
<title>Performance</title>
@ -759,6 +577,188 @@
</sect3>
<sect3>
<title>Continuous Archiving and Streaming Replication</title>
<itemizedlist>
<listitem>
<para>
Add a <link
linkend="guc-synchronous-replication"><varname>synchronous_replication</></link>
option (Simon Riggs, Fujii Masao)
</para>
<para>
This allows the primary to wait for the standby to receive
transaction information before acknowledging the commit.
</para>
</listitem>
<listitem>
<para>
Add variable <link
linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
to enable standbys to communicate their needed snapshots to
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
the streaming replication network connection (Magnus Hagander,
Heikki Linnakangas)
</para>
<para>
This avoids the requirement of manually transferring a file
system backup when creating a standby server.
</para>
</listitem>
<listitem>
<para>
Add command-line tool <link
linkend="app-pgbasebackup"><application>pg_basebackup</></link>
for creating a new standby server or database backup (Magnus
Hagander)
</para>
</listitem>
<listitem>
<para>
Add new replication <link linkend="SQL-CREATEROLE">permission</link>
for roles (Magnus Hagander)
</para>
<para>
This is a read-only permission used for streaming replication
and allows non-superusers to initiate replication connections.
Previously only superusers could initiate replication
connections; superusers have this permission by default.
</para>
</listitem>
</itemizedlist>
<sect4>
<title>Monitoring</title>
<itemizedlist>
<listitem>
<para>
Add system view <link
linkend="monitoring-stats-views-table"><structname>pg_stat_replication</></link>
which displays activity of WAL sender processes (Itagaki
Takahiro, Simon Riggs)
</para>
<para>
This reports the status of all connected standby servers.
</para>
</listitem>
<listitem>
<para>
Add monitoring function <link
linkend="functions-recovery-info-table"><function>pg_last_xact_replay_timestamp()</></link>
(Fujii Masao)
</para>
<para>
This returns the time on the primary that generated the most
recent commit or abort record applied on the standby.
</para>
</listitem>
</itemizedlist>
</sect4>
<sect4>
<title>Recovery Control</title>
<itemizedlist>
<listitem>
<para>
Add functions to control streaming replication replay (Simon
Riggs)
</para>
<para>
The new functions are <link
linkend="functions-recovery-control-table"><function>pg_xlog_replay_pause()</></link>,
<link
linkend="functions-recovery-control-table"><function>pg_xlog_replay_resume()</></link>,
and the status function <link
linkend="functions-recovery-control-table"><function>pg_is_xlog_replay_paused()</></link>.
</para>
</listitem>
<listitem>
<para>
Add the ability to create named restore points using <link
linkend="functions-admin-backup-table"><function>pg_create_restore_point()</></link>
(Jaime Casanova)
</para>
<para>
These named restore points can be specified as recovery
targets in <filename>recovery.conf</>.
</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
(Heikki Linnakangas)
</para>
<para>
Now standby servers scan the archive directory for new
timelines periodically.
</para>
</listitem>
<listitem>
<para>
Allow <link
linkend="recovery-config"><filename>recovery.conf</></link>
to use the same quoting behavior as <filename>postgresql.conf</>
(Dimitri Fontaine)
</para>
<para>
Previously all values had to be quoted.
</para>
</listitem>
</itemizedlist>
</sect4>
</sect3>
<sect3>
<title>Queries</title>
@ -1740,9 +1740,8 @@
<listitem>
<para>
Add <literal>directory</> format to <link
linkend="APP-PG-DUMPALL"><application>pg_dump</></link> (Joachim
Wieland, Heikki Linnakangas)
Add <literal>directory</> format to <application>pg_dump</>
(Joachim Wieland, Heikki Linnakangas)
</para>
<para>
@ -1762,7 +1761,7 @@
<listitem>
<para>
Fix <link linkend="app-pg-ctl"><application>pg_ctl</></link>
Fix <application>pg_ctl</>
so it no longer incorrectly reports that the server is not
running (Bruce Momjian)
</para>
@ -1775,7 +1774,7 @@
<listitem>
<para>
Improve <link linkend="app-pg-ctl"><application>pg_ctl</></link>
Improve <application>pg_ctl</>
start's "wait" (<option>-w</>) mode to handle non-standard
port numbers, non-standard unix-domain socket locations,
permission problems, and stale postmaster lock files (Bruce
@ -1785,9 +1784,8 @@
<listitem>
<para>
Add <literal>promote</> option to <link
linkend="app-pg-ctl"><application>pg_ctl</></link> to change
a standby server to primary (Fujii Masao)
Add <literal>promote</> option to <application>pg_ctl</> to
change a standby server to primary (Fujii Masao)
</para>
</listitem>

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