postgres.git / summary / log / commit / refs
commit ffda90f3afe3f4db10127d2b853dfe4230720873
Author: Bruce Momjian <bruce@momjian.us>
Date: Thu May 10 17:38:05 2012 +0000
First released in: 9.2.0
9.2 release note updates from Peter Geoghegan
doc/src/sgml/release-9.2.sgml | 47 ++++++++++++++++++++++---------------------
1 file changed, 24 insertions(+), 23 deletions(-)
diff --git a/doc/src/sgml/release-9.2.sgml b/doc/src/sgml/release-9.2.sgml
index 0b43c3aa00d..ed8ce999fbb 100644
--- a/doc/src/sgml/release-9.2.sgml
+++ b/doc/src/sgml/release-9.2.sgml
@@ -72,8 +72,8 @@
<para>
Users should now use hstore(text, text). Since
- <productname>PostgreSQL</productname> 9.0, we have emitted a
- warning message when an operator named => is created because
+ <productname>PostgreSQL</productname> 9.0, a warning message is
+ emitted when an operator named => is created because
the <acronym>SQL</acronym> standard reserves that token for
another use.
</para>
@@ -460,17 +460,6 @@
</para>
</listitem>
- <listitem>
- <para>
- Make the visibility map crash-safe (Robert Haas, Noah Misch)
- </para>
-
- <para>
- This helps vacuum be more efficient, and is necessary for
- index-only scans.
- </para>
- </listitem>
-
<listitem>
<para>
Improve GiST box and point index performance by producing better
@@ -545,9 +534,19 @@
<listitem>
<para>
- Improve performance of <acronym>WAL</acronym> writes when multiple
- transactions commit at the same time (Peter Geoghegan, Simon Riggs,
- Heikki Linnakangas)
+ Improve performance of <acronym>WAL</acronym> writes using group
+ commit (Peter Geoghegan, Simon Riggs, Heikki Linnakangas)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make the visibility map crash-safe (Robert Haas, Noah Misch)
+ </para>
+
+ <para>
+ This helps vacuum be more efficient, and is necessary for
+ index-only scans.
</para>
</listitem>
@@ -608,14 +607,15 @@
<listitem>
<para>
Allow the <link linkend="pg-stat-bgwriter-view">bgwriter</link>,
- <link linkend="guc-wal-writer-delay">walwriter</link>, and <link
- linkend="monitoring-stats">statistics collector</link> to sleep
- more efficiently during periods of inactivity (Peter Geoghegan,
- Heikki Linnakangas, Tom Lane)
+ <link linkend="guc-wal-writer-delay">walwriter</link>, <link
+ linkend="monitoring-stats">statistics collector</link>, archiver,
+ and checkpointer to sleep more efficiently during periods of
+ inactivity (Peter Geoghegan, Heikki Linnakangas, Tom Lane)
</para>
<para>
- This reduces <acronym>CPU</acronym> wake-ups.
+ This reduces <acronym>CPU</acronym> wake-ups, which dramatically
+ reduces power consumption on idle servers.
</para>
</listitem>
@@ -2071,7 +2071,8 @@
</para>
<para>
- We already supported minor-version-specific <filename>.psqlrc</>
+ <application>psql</> already supported minor-version-specific
+ <filename>.psqlrc</>
files.
</para>
</listitem>
@@ -2745,7 +2746,7 @@
<para>
Specifically, only lock the old cluster if link mode is used,
- and do it right after we restore the schema.
+ and do it right after the schema is restored.
</para>
</listitem>
[parent: ada8fa08fc6c]