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 @@
Users should now use hstore(text, text). Since
- PostgreSQL 9.0, we have emitted a
- warning message when an operator named => is created because
+ PostgreSQL 9.0, a warning message is
+ emitted when an operator named => is created because
the SQL standard reserves that token for
another use.
@@ -460,17 +460,6 @@
-
-
- Make the visibility map crash-safe (Robert Haas, Noah Misch)
-
-
-
- This helps vacuum be more efficient, and is necessary for
- index-only scans.
-
-
-
Improve GiST box and point index performance by producing better
@@ -545,9 +534,19 @@
- Improve performance of WAL writes when multiple
- transactions commit at the same time (Peter Geoghegan, Simon Riggs,
- Heikki Linnakangas)
+ Improve performance of WAL writes using group
+ commit (Peter Geoghegan, Simon Riggs, Heikki Linnakangas)
+
+
+
+
+
+ Make the visibility map crash-safe (Robert Haas, Noah Misch)
+
+
+
+ This helps vacuum be more efficient, and is necessary for
+ index-only scans.
@@ -608,14 +607,15 @@
Allow the bgwriter,
- walwriter, and statistics collector to sleep
- more efficiently during periods of inactivity (Peter Geoghegan,
- Heikki Linnakangas, Tom Lane)
+ walwriter, statistics collector, archiver,
+ and checkpointer to sleep more efficiently during periods of
+ inactivity (Peter Geoghegan, Heikki Linnakangas, Tom Lane)
- This reduces CPU wake-ups.
+ This reduces CPU wake-ups, which dramatically
+ reduces power consumption on idle servers.
@@ -2071,7 +2071,8 @@
- We already supported minor-version-specific .psqlrc>
+ psql> already supported minor-version-specific
+ .psqlrc>
files.
@@ -2745,7 +2746,7 @@
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.