Re: How much do the hint bits help?
От | Merlin Moncure |
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Тема | Re: How much do the hint bits help? |
Дата | |
Msg-id | AANLkTik2nF6=HjMcmCwYrMMB52j1VajS3rzm=6e-C4jf@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: How much do the hint bits help? (Aidan Van Dyk <aidan@highrise.ca>) |
Ответы |
Re: How much do the hint bits help?
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Список | pgsql-hackers |
On Wed, Dec 22, 2010 at 10:55 AM, Aidan Van Dyk <aidan@highrise.ca> wrote: > On Wed, Dec 22, 2010 at 10:52 AM, Simon Riggs <simon@2ndquadrant.com> wrote: > >> I'm sure it will take a little while for everybody to understand why a >> full CRC implementation is both necessary and now possible. Paradigm >> shifts of thought do seem like teleports, but they can be beneficial. > > But please don't deny the rest of us airbags while you keep working on > teleportation ;-) well, simon's point that hint bits complicate checksum may nor may not be the case, but no hint bits = less i/o = less checksumming (unless you checksum around the hint bits). This lowers the expense of doing it, which is nice. Maybe that doesn't matter in the end, we'll see. merlin
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