On Wed, Sep 2, 2015 at 2:44 PM, Toke Eskildsen <t...@statsbiblioteket.dk> wrote:
> When incrementing counters for String faceting, segment ordinal -> index 
> ordinal mapping takes place. Legacy facets has a mechanism where temporary 
> segment-specific counters are used. These are updated directly with the 
> segment ordinals and the mapping to global ordinals is performed after the 
> counting.

Good point Toke,
That optimization won't work when there's other things to calculate
(or sort by), but I can detect the "counts-only" case and use it then.

-Yonik

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