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< be cleared when a heap tuple is expired. Another idea is to maintain < a bitmap of heap pages where all rows are visible to all backends, < and allow index lookups to reference that bitmap to avoid heap < lookups, perhaps the same bitmap we might add someday to determine < which heap pages need vacuuming. > be cleared when a heap tuple is expired. > > Another idea is to maintain a bitmap of heap pages where all rows > are visible to all backends, and allow index lookups to reference > that bitmap to avoid heap lookups, perhaps the same bitmap we might > add someday to determine which heap pages need vacuuming. Frequently > accessed bitmaps would have to be stored in shared memory. One 8k > page of bitmaps could track 512MB of heap pages. |
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| .. | ||
| FAQ.html | ||
| FAQ_brazilian.html | ||
| FAQ_chinese.html | ||
| FAQ_czech.html | ||
| FAQ_DEV.html | ||
| FAQ_farsi.html | ||
| FAQ_french.html | ||
| FAQ_german.html | ||
| FAQ_hungarian.html | ||
| FAQ_japanese.html | ||
| FAQ_MINGW.html | ||
| FAQ_polish.html | ||
| FAQ_russian.html | ||
| FAQ_turkish.html | ||
| README | ||
| TODO.html | ||
The FAQ* files in this directory are the master versions, and the ../../FAQ* text files are created using lynx: lynx -force_html -dont_wrap_pre -dump -hiddenlinks=ignore -nolist FAQ* The TODO.html file in this directory is not the master, but ../../TODO is. The conversion is done using txt2html: txt2html -m -s 100 -p 100 --xhtml --titlefirst \ --body_deco ' bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"' \ --caps_tag '' \ /pgtop/doc/TODO | sed 's;\[\([^]]*\)\];[<a href="http://momjian.postgresql.org/cgi-bin/pgtodo?\1">\1</a>];g' > /pgtop/doc/src/FAQ/TODO.html