meili-bors[bot] 5e0485d8dd Merge #4131 ... 4131: Reduce proximity range from 7 to 3 r=Kerollmops a=ManyTheFish ## Summary This PR aims to reduce the impact of the proximity databases on the indexing time and on the database size by reducing the maximum distance between two words to be indexed in the proximity database. ## Stats ### Impact on database size and indexing time  ### Impact on search relevancy <details> | dataset_name | host_name | Relevancy rate (Precision) | completion_rate 25.00% | completion_rate 50.00% | completion_rate 75.00% | completion_rate 100.00% | |--------------|------------------|------------------------------------|-----------------|-----------------|-----------------|-----------------| | FBIS | 1_4_0 | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | FBIS | 1_4_0 | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | FBIS | 1_4_0 | percentile-50 | 0.00% | 0.00% | 5.00% | 5.56% | | FBIS | 1_4_0 | percentile-75 | 0.00% | 12.50% | 35.00% | 45.00% | | FBIS | 1_4_0 | percentile-90 | 20.00% | 40.00% | | 100.00% | | FBIS | 1_4_0 | average | 5.78% | 11.16% | 21.90% | 26.29% | | FBIS | reduce_proximity | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | FBIS | reduce_proximity | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | FBIS | reduce_proximity | percentile-50 | 0.00% | 0.00% | 5.00% | 5.56% | | FBIS | reduce_proximity | percentile-75 | 0.00% | 15.00% | 35.00% | 40.00% | | FBIS | reduce_proximity | percentile-90 | 20.00% | 40.00% | 85.00% | 100.00% | | FBIS | reduce_proximity | average | 5.55% | 11.34% | 21.75% | 26.14% | | FR94 | 1_4_0 | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | FR94 | 1_4_0 | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | FR94 | 1_4_0 | percentile-50 | 0.00% | 0.00% | 0.00% | 0.00% | | FR94 | 1_4_0 | percentile-75 | 0.00% | 5.00% | 15.00% | 42.11% | | FR94 | 1_4_0 | percentile-90 | 15.00% | 54.55% | 100.00% | 100.00% | | FR94 | 1_4_0 | average | 5.95% | 12.07% | 18.70% | 25.57% | | FR94 | reduce_proximity | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | FR94 | reduce_proximity | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | FR94 | reduce_proximity | percentile-50 | 0.00% | 0.00% | 0.00% | 0.00% | | FR94 | reduce_proximity | percentile-75 | 0.00% | 5.00% | 15.00% | 42.11% | | FR94 | reduce_proximity | percentile-90 | 15.00% | 54.55% | 100.00% | 100.00% | | FR94 | reduce_proximity | average | 5.79% | 12.00% | 18.70% | 25.53% | | FT | 1_4_0 | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | FT | 1_4_0 | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | FT | 1_4_0 | percentile-50 | 0.00% | 0.00% | 5.00% | 10.00% | | FT | 1_4_0 | percentile-75 | 0.00% | 15.00% | 30.00% | 40.00% | | FT | 1_4_0 | percentile-90 | 20.00% | 50.00% | 65.00% | 100.00% | | FT | 1_4_0 | average | 5.08% | 12.58% | 20.00% | 25.49% | | FT | reduce_proximity | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | FT | reduce_proximity | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | FT | reduce_proximity | percentile-50 | 0.00% | 0.00% | 5.00% | 10.00% | | FT | reduce_proximity | percentile-75 | 0.00% | 15.00% | 30.00% | 40.00% | | FT | reduce_proximity | percentile-90 | 10.00% | 45.00% | 60.00% | 100.00% | | FT | reduce_proximity | average | 5.01% | 12.64% | 20.10% | 25.53% | | LAT | 1_4_0 | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | LAT | 1_4_0 | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | LAT | 1_4_0 | percentile-50 | 0.00% | 0.00% | 5.00% | 5.00% | | LAT | 1_4_0 | percentile-75 | 5.00% | 15.00% | 30.00% | 30.00% | | LAT | 1_4_0 | percentile-90 | 15.00% | 45.00% | 60.00% | 80.00% | | LAT | 1_4_0 | average | 4.80% | 11.80% | 17.88% | 21.62% | | LAT | reduce_proximity | percentile-10 | 0.00% | 0.00% | 0.00% | 0.00% | | LAT | reduce_proximity | percentile-25 | 0.00% | 0.00% | 0.00% | 0.00% | | LAT | reduce_proximity | percentile-50 | 0.00% | 0.00% | 5.00% | 5.00% | | LAT | reduce_proximity | percentile-75 | 0.00% | 11.11% | 25.00% | 35.00% | | LAT | reduce_proximity | percentile-90 | 15.00% | 45.00% | 55.00% | 80.00% | | LAT | reduce_proximity | average | 4.43% | 11.23% | 17.32% | 21.45% | </details> ### Impact on Search time | dataset_name | host_name | 25.00% | 50.00% | 75.00% | 100.00% | Average | |--------------|------------------|------------:|------------:|------------:|------------:|-------------| | FBIS | 1_4_0 | 3.45 | 7.446666667 | 9.773489933 | 9.620300752 | 7.572614338 | | FBIS | reduce_proximity | 2.983333333 | 5.316666667 | 6.911073826 | 7.637218045 | 5.712072968 | | FR94 | 1_4_0 | 2.236666667 | 4.45 | 5.523489933 | 4.560150376 | 4.192576744 | | FR94 | reduce_proximity | 2.09 | 3.991666667 | 4.981543624 | 4.266917293 | 3.832531896 | | FT | 1_4_0 | 5.956666667 | 9.656666667 | 13.86912752 | 10.83270677 | 10.0787919 | | FT | reduce_proximity | 4.51 | 5.981666667 | 7.701342282 | 6.766917293 | 6.23998156 | | LAT | 1_4_0 | 5.856666667 | 9.233333333 | 12.98322148 | 10.78759398 | 9.715203865 | | LAT | reduce_proximity | 6.91 | 6.706666667 | 8.463087248 | 8.265037594 | 7.586197877 | ## Technical approach - Ensure the MAX_DISTANCE constant is used everywhere needed - Reduce the MAX_DISTANCE from 8 to 4 ## Related TBD Co-authored-by: ManyTheFish <many@meilisearch.com>		2023-10-18 14:56:08 +00:00
..
facet	Document that the LevelEntry fields order is important	2023-06-29 14:33:32 +02:00
new	Merge #4131	2023-10-18 14:56:08 +00:00
fst_utils.rs	custom fst automatons	2022-03-15 17:38:35 +01:00
mod.rs	hide fields not in the displayedAttributes list from errors	2023-08-05 16:03:10 +05:30