On 5 May 2016 1:28 a.m., "Andres Freund" <and...@anarazel.de> wrote:
> On 2016-05-04 18:22:27 -0400, Robert Haas wrote:
> > How would the semantics change?
> Right now the time for computing the snapshot is relevant, if
> maintenance of xids is moved, it'll likely be tied to the time xids are
> assigned. That seems perfectly alright, but it'll change behaviour.

FWIW moving the maintenance to a clock tick process will not change user
visible semantics in any significant way. The change could easily be made
in the next release.

Ants Aasma

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