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lines changed Original file line number Diff line number Diff line change 22PostgreSQL TODO List
33====================
44Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
5- Last updated: Sat Jul 2 10:30 :35 EDT 2005
5+ Last updated: Mon Jul 4 00:06 :35 EDT 2005
66
77The most recent version of this document can be viewed at
88http://www.postgresql.org/docs/faqs.TODO.html.
@@ -867,14 +867,14 @@ Write-Ahead Log
867867
868868* Eliminate need to write full pages to WAL before page modification [wal]
869869
870- Currently, to protect against partial disk page writes, we write the
870+ Currently, to protect against partial disk page writes, we write
871871 full page images to WAL before they are modified so we can correct any
872872 partial page writes during recovery. These pages can also be
873873 eliminated from point-in-time archive files.
874874
875875* Reduce WAL traffic so only modified values are written rather than
876876 entire rows (?)
877- * Turn off after-change writes if fsync is disabled
877+ * Turn off full page writes if fsync is disabled
878878
879879 If fsync is off, there is no purpose in writing full pages to WAL
880880
Original file line number Diff line number Diff line change 88< body bgcolor ="#FFFFFF " text ="#000000 " link ="#FF0000 " vlink ="#A00000 " alink ="#0000FF ">
99< h1 > < a name ="section_1 "> PostgreSQL TODO List</ a > </ h1 >
1010< p > Current maintainer: Bruce Momjian (< a href ="mailto:pgman@candle.pha.pa.us "> pgman@candle.pha.pa.us</ a > )< br />
11- Last updated: Sat Jul 2 10:30 :35 EDT 2005
11+ Last updated: Mon Jul 4 00:06 :35 EDT 2005
1212</ p >
1313< p > The most recent version of this document can be viewed at< br />
1414< a href ="http://www.postgresql.org/docs/faqs.TODO.html "> http://www.postgresql.org/docs/faqs.TODO.html</ a > .
@@ -798,14 +798,14 @@ <h1><a name="section_17">Write-Ahead Log</a></h1>
798798
799799< ul >
800800 < li > Eliminate need to write full pages to WAL before page modification [< a href ="http://momjian.postgresql.org/cgi-bin/pgtodo?wal "> wal</ a > ]
801- < p > Currently, to protect against partial disk page writes, we write the
801+ < p > Currently, to protect against partial disk page writes, we write
802802 full page images to WAL before they are modified so we can correct any
803803 partial page writes during recovery. These pages can also be
804804 eliminated from point-in-time archive files.
805805</ p >
806806 </ li > < li > Reduce WAL traffic so only modified values are written rather than
807807 entire rows (?)
808- </ li > < li > Turn off after-change writes if fsync is disabled
808+ </ li > < li > Turn off full page writes if fsync is disabled
809809< p > If fsync is off, there is no purpose in writing full pages to WAL
810810</ p >
811811 </ li > < li > Add WAL index reliability improvement to non-btree indexes
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