Re: [HACKERS] Lazy hash table for XidInMVCCSnapshot (helps Zipfian a bit) - Mailing list pgsql-hackers

From Dmitry Dolgov
Subject Re: [HACKERS] Lazy hash table for XidInMVCCSnapshot (helps Zipfian a bit)
Date
Msg-id CA+q6zcXRY1-KtEUgXV6BOKLHEDDPnoamJxedqOCKAOiE6gaNcQ@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] Lazy hash table for XidInMVCCSnapshot (helps Zipfian a bit)  (Dmitry Dolgov <9erthalion6@gmail.com>)
List pgsql-hackers
>On Sun, Nov 4, 2018 at 1:27 PM Dmitry Dolgov <9erthalion6@gmail.com> wrote:
>
> > On Sun, 1 Apr 2018 at 19:58, Yura Sokolov <funny.falcon@gmail.com> wrote:
> >
> > I didn't change serialized format. Therefore is no need to change
> > SerializeSnapshot.
> > But in-memory representation were changed, so RestoreSnapshot is changed.
>
> This patch went through the last tree commit fests without any noticeable
> activity, but cfbot says it still applies and doesn't break any tests. Taking
> into account potential performance improvements, I believe it would be a pity
> to stop at this point.
>
> Yura, what're your plans about it? If I understand correctly, there are still
> some commentaries, that were not answered from the last few messages. At the
> same time can anyone from active reviewers (Tomas, Amit) look at it to agree on
> what should be done to push it forward?

Due to lack of response I'm marking it as "Returned with feedback". Feel free
to resubmit a new version though.


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