From ffda90f3afe3f4db10127d2b853dfe4230720873 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Thu, 10 May 2012 13:38:05 -0400 Subject: [PATCH] 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 @@ 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. -- 2.39.5