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| -rw-r--r-- | doc/TODO | 12 | ||||
| -rw-r--r-- | doc/src/FAQ/TODO.html | 11 |
2 files changed, 4 insertions, 19 deletions
@@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (bruce@momjian.us) -Last updated: Wed Apr 4 22:08:46 EDT 2007 +Last updated: Fri Apr 6 22:48:08 EDT 2007 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -1436,15 +1436,7 @@ Miscellaneous Performance * -Merge xmin/xmax/cmin/cmax back into three header fields * Consider ways of storing rows more compactly on disk - o Support a smaller header for short variable-length fields? - - One idea is to create zero-or-one-byte-header versions - of varlena data types. In involves setting the high-bit and - 0-127 length in the single-byte header, or clear the high bit - and store the 7-bit ASCII value in the rest of the byte. - The small-header versions have no alignment requirements. - http://archives.postgresql.org/pgsql-hackers/2006-09/msg01372.php - + o -Support a smaller header for short variable-length fields o Reduce the row header size? o Consider reducing on-disk varlena length from four to two because a heap row cannot be more than 64k in length diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 1a8fcfb1be8..905585d4f83 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@ <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"> <h1><a name="section_1">PostgreSQL TODO List</a></h1> <p>Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/> -Last updated: Wed Apr 4 22:08:46 EDT 2007 +Last updated: Fri Apr 6 22:48:08 EDT 2007 </p> <p>The most recent version of this document can be viewed at<br/> <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>. @@ -1273,14 +1273,7 @@ first. There is also a developer's wiki at<br/> </li><li>-<em>Merge xmin/xmax/cmin/cmax back into three header fields</em> </li><li>Consider ways of storing rows more compactly on disk <ul> - <li>Support a smaller header for short variable-length fields? -<p> One idea is to create zero-or-one-byte-header versions - of varlena data types. In involves setting the high-bit and - 0-127 length in the single-byte header, or clear the high bit - and store the 7-bit ASCII value in the rest of the byte. - The small-header versions have no alignment requirements. - <a href="http://archives.postgresql.org/pgsql-hackers/2006-09/msg01372.php">http://archives.postgresql.org/pgsql-hackers/2006-09/msg01372.php</a> -</p> + <li>-<em>Support a smaller header for short variable-length fields</em> </li><li>Reduce the row header size? </li><li>Consider reducing on-disk varlena length from four to two because a heap row cannot be more than 64k in length |