Add field-specific rank filter-threshold setting
#33165
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With this commit, `rank-profile` supports two `rank` variants,
where the latter is newly introduced:
```
rank-profile my_profile {
rank foo_field: filter
rank bar_field {
filter-threshold: 0.03
}
}
```
geirst
approved these changes
Jan 23, 2025
geirst
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Jan 23, 2025
This threshold is currently used to determine whether to use bitvector posting list when searching in a disk index. This optimization is triggered when the relative hit estimate of the query term is larger than the filter threshold. This relates to #33139 and #33165 (schema syntax) and #33156 (config wiring).
vekterli
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vekterli/add-field-specific-rank-filter-threshold-setting
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@geirst please review
@toregge FYI
With this commit
rank-profilesupports tworankvariants, where the latter is newly introduced: