From 5c3b957744f4f34a8ee4dff887fcf60cfeb468d8 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Thu, 18 Oct 2007 23:05:06 +0000 Subject: [PATCH] More release wording adjustments. --- doc/src/sgml/release.sgml | 71 +++++++++++++++++++++------------------ 1 file changed, 38 insertions(+), 33 deletions(-) diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml index dfaf31af58..df1f3549bd 100644 --- a/doc/src/sgml/release.sgml +++ b/doc/src/sgml/release.sgml @@ -66,8 +66,8 @@ do it for earlier branch release files. - Support for the SQL/XML standard, including new operators and a - new XML builtin type + Support for the SQL/XML standard, including new operators and + an XML data type @@ -79,8 +79,7 @@ do it for earlier branch release files. - Universally Unique Identifier (UUID) data type, similar - to that defined by RFC 4122 + Universally Unique Identifier (UUID) data type @@ -171,28 +170,27 @@ do it for earlier branch release files. - Distributed checkpoints prevent I/O spikes during - checkpoints + Distributed checkpoints prevent I/O spikes during checkpoints - Heap-Only Tuples (HOT) improves UPDATE - space usage + Heap-Only Tuples (HOT) accelerate UPDATE + space reuse - Just-in-time background writer strategy to improve disk write + Just-in-time background writer strategy improves disk write efficiency - Reduction of both per-field and per-row storage requirements + Reduction of per-field and per-row storage requirements @@ -218,7 +216,8 @@ do it for earlier branch release files. - Use pseudo-transaction ids in read-only transactions + Reduce need for vacuum by using pseudo-transaction ids in + read-only transactions @@ -507,7 +506,7 @@ do it for earlier branch release files. - Distributed checkpoints prevent I/O spikes during + Distributed checkpoints prevent I/O spikes during checkpoints (Itagaki Takahiro and Heikki Linnakangas) @@ -522,8 +521,8 @@ do it for earlier branch release files. - Heap-Only Tuples (HOT) improves UPDATE - space usage (Pavan Deolasee, with ideas from many others) + Heap-Only Tuples (HOT) accelerate UPDATE + space reuse (Pavan Deolasee, with ideas from many others) @@ -540,7 +539,7 @@ do it for earlier branch release files. - Just-in-time background writer strategy to improve disk write + Just-in-time background writer strategy improves disk write efficiency (Greg Smith, Itagaki Takahiro) @@ -551,8 +550,8 @@ do it for earlier branch release files. - Reduction of both per-field and per-row storage requirements - (Greg Stark) + Reduction of per-field and per-row storage requirements (Greg + Stark) @@ -565,21 +564,23 @@ do it for earlier branch release files. - Use pseudo-transaction ids in read-only transactions (Florian Pflug) + Reduce need for vacuum by using pseudo-transaction ids in + read-only transactions (Florian Pflug) - This reduces transaction overhead for read-only transactions, - and reduces the necessity of vacuuming for transaction id - wrap-around. Other transaction performance improvements were - also made that should improve concurrency. + Pseudo-transaction ids do not increment the global transaction + counter. Therefore, they do not add to the need for vacuum to + read all database rows to prevent problems with transaction id + wrap-around. Other transaction performance improvements were also + made that should improve concurrency. Create a dedicated WAL writer process to off-load - WAL-writing work from backends (Simon) + work from backends (Simon) @@ -619,12 +620,6 @@ do it for earlier branch release files. - - - Reduce overhead of populating the statistics tables. (Tom) - - - Allow ORDER BY ... LIMIT to be done without sorting @@ -637,6 +632,12 @@ do it for earlier branch release files. + + + Reduce overhead of populating the statistics tables (Tom) + + + Improve hash join performance for cases with many NULLs (Tom) @@ -1327,8 +1328,8 @@ do it for earlier branch release files. - Support for the SQL/XML standard, including new operators and a - new XML builtin type (Nikolay Samokhvalov, Peter) + Support for the SQL/XML standard, including new operators and an + XML data type (Nikolay Samokhvalov, Peter) @@ -1346,8 +1347,12 @@ do it for earlier branch release files. - Universally Unique Identifier (UUID) data type, similar - to that defined by RFC 4122 (Gevik Babakhani, Neil) + Universally Unique Identifier (UUID) data type (Gevik + Babakhani, Neil) + + + + This closely matches RFC 4122. -- 2.39.5