Re: RE: Plans for solving the VACUUM problem
От | Bruce Momjian |
---|---|
Тема | Re: RE: Plans for solving the VACUUM problem |
Дата | |
Msg-id | 200105220438.f4M4cFD00575@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: RE: Plans for solving the VACUUM problem (Hannu Krosing <hannu@tm.ee>) |
Список | pgsql-hackers |
You can read my Internals paper at the bottom of developers corner. [ Charset ISO-8859-15 unsupported, converting... ] > "Henshall, Stuart - WCP" wrote: > > > > Apologises if I've missed something, but isn't that the same xmin that ODBC > > uses for row versioning? > > - Stuart > > > > <Snip> > > > Currently, the XMIN/XMAX command counters are used only by the current > > > transaction, and they are useless once the transaction finishes and take > > > up 8 bytes on disk. > > <Snip> > > BTW, is there some place where I could read about exact semantics of > sytem fields ? > > -------------------- > Hannu > > ---------------------------(end of broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
В списке pgsql-hackers по дате отправления: