@ -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: Mon Nov 19 19:18:31 EST 2007
Last updated: Fri Nov 23 11:37:47 EST 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 > .
@ -1096,9 +1096,14 @@ first. There is also a developer's wiki at<br/>
< p > < a href = "http://archives.postgresql.org/pgsql-patches/2007-03/msg00358.php" > http://archives.postgresql.org/pgsql-patches/2007-03/msg00358.php< / a >
< / p >
< / li > < li > -< em > Reduce XID consumption of read-only queries< / em >
< / li > < li > Prevent long-lived temporary tables from causing frozen-X id advancement
< / li > < li > Prevent long-lived temporary tables from causing frozen-x id advancement
starvation
< / li > < li > Auto-vacuum
< / li > < / ul >
< p > The problem is that autovacuum cannot vacuum them to set frozen xids;< br / >
only the session that created them can do that.
< / p >
< ul >
< li > Auto-vacuum
< ul >
< li > Use free-space map information to guide refilling
< / li > < li > %Issue log message to suggest VACUUM FULL if a table is nearly