Yes, the issue was that give our TODO list, compressed transfer wasn't
very high, and it was unknown how valuable it would be. However, if it
were contributed, we could easily test its value with little work on our
part and include the code if it were a win.
---------------------------------------------------------------------------
Joshua D. Drake wrote:
> Hello,
>
> We would probably be open to contributing it if there was interest.
> There wasn't interest initially.
>
> Sincerely,
>
> Joshua Drake
>
>
> Bruce Momjian wrote:
> > Greg Copeland wrote:
> >
> >>On Tue, 2002-12-10 at 11:25, Al Sutton wrote:
> >>
> >>>Would it be possible to make compression an optional thing, with the default
> >>>being off?
> >>>
> >>
> >>I'm not sure. You'd have to ask Command Prompt (Mammoth) or wait to see
> >>what appears. What I originally had envisioned was a per database and
> >>user permission model which would better control use. Since compression
> >>can be rather costly for some use cases, I also envisioned it being
> >>negotiated where only the user/database combo with permission would be
> >>able to turn it on. I do recall that compression negotiation is part of
> >>the Mammoth implementation but I don't know if it's a simple capability
> >>negotiation or part of a larger scheme.
> >
> >
> > I haven't heard anything about them contributing it. Doesn't mean it
> > will not happen, just that I haven't heard it.
> >
> > I am not excited about per-db/user compression because of the added
> > complexity of setting it up, and even set up, I can see cases where some
> > queries would want it, and others not. I can see using GUC to control
> > this. If you enable it and the client doesn't support it, it is a
> > no-op. We have per-db and per-user settings, so GUC would allow such
> > control if you wish.
> >
> > Ideally, it would be a tri-valued parameter, that is ON, OFF, or AUTO,
> > meaning it would determine if there was value in the compression and do
> > it only when it would help.
> >
>
> --
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>
>
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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