[Xapian-discuss] Two questions

[roki roki]

Hi Olly,

I get the same values for all three functions for get_mset(0, 10)
estimated: 198844
lower_bound: 198844
upper_bound: 198844

The queries are not always slow so it is maybe some load problem on my
server? 
Quartzcompact the database reduced with more then 60% !? and after that
queries are FAST, but I do every day a lot replacing in database.

P.S. sorry for bad english

Thanks!
Roki


> While checkatleast is indeed what Omega's MINHITS maps to, it's a red
> herring here.  If not checkatleast is not specified, the default is not
> to check any more hits than we have to.
> 
> I suspect the problem is that set_collapse_key is inherently expensive to
> process for the situation you have (or at least the current
> implementation is).  But you've not said much at all about what sort of
> queries you're running, so it's rather hard to offer much further
> comment.
> 
> The values returned by get_matches_lower_bound(), get_matches_estimated(),
> and get_matches_upper_bound() might also be helpful.
> 
> Cheers,
>     Olly
> 

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