Re: limiting hint bit I/O
От | Tom Lane |
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Тема | Re: limiting hint bit I/O |
Дата | |
Msg-id | 9040.1295030529@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: limiting hint bit I/O ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>) |
Ответы |
Re: limiting hint bit I/O
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Список | pgsql-hackers |
"Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes: > Anyway, there are so many ideas in this area, it's hard to keep them > all straight. Personally, if I was going to start with something, > it would probably be to better establish what the impact is on > various workloads of *eliminating* hint bits. > I know some people find them useful for forensics to a degree that > they would prefer not to see this, Um, yeah, I think you're having a problem keeping all the ideas straight ;-). The argument about forensics has to do with how soon we're willing to freeze tuples, ie replace the XID with a constant. Not about hint bits. regards, tom lane
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