Update more release descriptions.

diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml
index 5dea8473a4b223ab342392316b080ef6326ed8c1..f6b9a73cea9279a930b89bfcc0b2839285e7bc0b 100644 (file)
--- a/doc/src/sgml/release.sgml
+++ b/doc/src/sgml/release.sgml
@@ -1,5 +1,5 @@
 
 
 
@@ -301,19 +301,67 @@ required for those wishing to migrate data from any previous release.
 Fix SSL to handle errors cleanly (Nathan Mueller)
    
    
-    In prior releases, 
+    In prior releases, certain rare SSL API error reports were not
+    handled correctly.  This release fixes those problems.
+    gracefully.
+   
+   
+   
+SSL protocol security and performance improvements (Sean Chittenden)
+   
+   
+    SSL key renegotiation was happening too frequently, causing poor SSL
+    performance.  Also, initial key handling was improved.
+   
+   
+   
+Print lock information when a deadlock is detected (Tom)
+   
+   
+    This allows easier debugging of deadlock situations.
+   
+   
+   
+Update /tmp socket mod. times regularly to avoid their removal (Tom)
+   
+   
+    This should help prevent /tmp directory cleaner
+    administration scripts from removing server socket files.
    
    
    
-SSL protocol security and performance improvements (Sean Chittenden)
-Print lock information when a deadlock is detected (Tom)
-Update /tmp socket mod. times regularly to avoid their removal (Tom)
 Enable PAM for MAC OS X (Aaron Hillegass)
-Make btree indexes fully WAL-safe (Tom)
+Make btree indexes fully WAL-safe (Tom)
+   
+   
+    In prior releases, under certain rare cases, a server crash could
+    cause btree indexes to become corrupt. This release removes those
+    last few rare cases.
+   
+   
+   
 Allow btree index compaction and empty page reuse (Tom)
-Fix inconsistent index lookups during split of first root page (Tom)
+Fix inconsistent index lookups during split of first root page (Tom)
+   
+   
+    In prior releases, when a single-page index split into two page,
+    there was a brief period when another database session would miss
+    seeing an index entry. This failure was possible primarly on
+    multi-cpu machines.  This release fixes that rare failure case.
+   
+   
+   
 Improve free space map allocation logic (Tom)
-Preserve free space information between postmaster restarts (Tom)
+Preserve free space information between postmaster restarts (Tom)
+   
+   
+    In prior releases, the free space map was not saved when the
+    postmaster was stopped, so newly started servers has no free space
+    information. This release saves the free space map, which is loaded
+    when the server is restarted.
+   
+   
+   
 Set proper schema permissions in initdb (Peter)
 Add start time to pg_stat_activity (Neil)
 New code to detect corrupt disk pages; erase with zero_damaged_pages (Tom)
@@ -334,12 +382,36 @@ required for those wishing to migrate data from any previous release.
 Allow multi-key hash joins (Tom)
 Improve constant folding (Tom)
 Add ability to inline simple SQL functions (Tom)
-Reduce memory usage for queries using complex functions (Tom)
-Improve GEQO optimizer performance (Tom)
+Reduce memory usage for queries using complex functions (Tom)
+   
+   
+    In prior releases, functions returning allocated memory would
+    not free it until the query completed. This release allows the
+    freeing of function-allocated memory when the function call
+    completes, reducing the total memory used by functions.
+   
+   
+   
+Improve GEQO optimizer performance (Tom)
+   
+   
+    There were several inefficiencies in the way the GEQO optimizer
+    managed potential query paths.  This release fixes this.
+   
+   
+   
 Allow IN/NOT IN to be handled via hash tables (Tom)
 Improve NOT IN (subquery) performance (Tom)
 Allow most IN subqueries to be processed as joins (Tom)
-Allow the postmaster to preload libraries using preload_libraries (Joe)
+Allow the postmaster to preload libraries using preload_libraries (Joe)
+   
+   
+    For shared libraries that require a long time to load, this option
+    is available so the library can be pre-loaded in the postmaster and
+    inherited by all database sessions.
+   
+   
+   
 Improve optimizer cost computations, particularly for subqueries (Tom)
 Avoid sort when subquery ORDER BY matches upper query (Tom)
 Assume WHERE a.x = b.y and b.y = 42 also means a.x = 42 (Tom)
@@ -353,15 +425,44 @@ required for those wishing to migrate data from any previous release.
 Improve trigger/constraint performance (Stephan)
 Improve speed of col IN (const, const, const, ...) (Tom)
 Fix hash indexes which were broken in rare cases (Tom)
-Improve hash index concurrency and speed (Tom)
-Align shared buffers on 32-byte boundary for copy speed improvement (Manfred Spraul)
-The NUMERIC datatype has been reimplemented for better performance (Tom)
+Improve hash index concurrency and speed (Tom)
+   
+   
+    Prior releases suffered from poor hash index performance,
+    particularly for high concurrency situations. This release fixes
+    that, and the development group is interested in reports comparing
+    btree and hash index performance.
+   
+   
+   
+Align shared buffers on 32-byte boundary for copy speed improvement (Manfred Spraul)
+   
+   
+    Certain CPU's perform faster data copies when addresses are 32-bit
+    aligned.
+   
+   
+   
+The NUMERIC datatype has been reimplemented for better performance (Tom)
+   
+   
+    NUMERIC used to be stored in base-100. The new code uses base-10000,
+    for significantly better performance.
+   
+   
+   
 
 
 Server Configuration
 
 
 Rename server parameter server_min_messages to log_min_messages (Bruce)
+   
+   
+    This was done so most parameters that control the server logs being
+    with log_>/>.
+   
+   
 Rename show_*_stats to log_*_stats (Bruce)
 Rename show_source_port to log_source_port (Bruce)
 Rename hostname_lookup to log_hostname (Bruce)