bugzilla-daemon at main.slony.info bugzilla-daemon at main.slony.info
Wed Aug 24 09:16:34 PDT 2011
http://www.slony.info/bugzilla/show_bug.cgi?id=235

--- Comment #6 from Christopher Browne <cbbrowne at ca.afilias.info> 2011-08-24 09:16:34 PDT ---
(In reply to comment #5)
>  "desired sync time" part, as
> > there's something inherently nonsensical to it.
> > 
> > The direction I'm thinking is to have slon do "start with 1, and then quickly
> > increment towards sync_group_maxsize".  
> > 
> > "How quickly?" is a good question that'll get discussed, for sure.  Another
> > parameter might be a useful idea, but I'm not sure there's necessarily much 
> > value to adding configuration knobs.
> 
> I agree that the "desired sync time" is confusing and we should move away
> towards just specifying a max group size.
> 
> Does it make more sense to start at max_group_size and reduce that to smaller
> values on failures?  (this only works if slon doens't get restarted/segfault on
> the failures)

Hmm, yeah.

I could see starting with max_group_size, and dividing by two each time it
fails.  That'll quickly head to 1.

The next question would be of how to increase on success.  Whiteboard time :-).

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