Re: Update on true serializable techniques in MVCC

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От Robert Haas
Тема Re: Update on true serializable techniques in MVCC
Дата
Msg-id 603c8f070912161227t24f1904eve870a429288a2973@mail.gmail.com
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Ответ на Re: Update on true serializable techniques in MVCC  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: Update on true serializable techniques in MVCC  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
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On Wed, Dec 16, 2009 at 1:30 PM, Kevin Grittner
<Kevin.Grittner@wicourts.gov> wrote:
> Alvaro Herrera <alvherre@commandprompt.com> wrote:
>
>> So you'd have to disable HOT updates when true serializability was
>> active?
>
> I wouldn't think so; but someone familiar with HOT logic could
> probably determine whether the unmodified algorithm could be used by
> reviewing the "simplifying assumptions" near the bottom of page 42,
> and the page about "Generalizing to other database engines" (section
> 4.8).  I think those portions might stand on their own without
> reading the rest of the document.

This thread veered off into a discussion of the traditional technique,
rather than the one in the paper.  I think that's the part Alvaro was
responding to.

...Robert


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