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author | Geir Storli <geirst@verizonmedia.com> | 2020-05-12 15:52:15 +0000 |
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committer | Geir Storli <geirst@verizonmedia.com> | 2020-05-12 15:52:15 +0000 |
commit | fe5a4c73f70cc451f461bc007d1ce7d32481edb2 (patch) | |
tree | bd8007d72484c81f11d43ca4a3ec0003f74d0bec /configdefinitions | |
parent | 2d5ddf827dcef2af9619f8a9fee148f9edd12b02 (diff) |
Support specifying a distance metric for nearest neighbor search when not having a hnsw index.
This also changes the syntax in the sd file to specifying the distance metric in the attribute tag.
Diffstat (limited to 'configdefinitions')
-rw-r--r-- | configdefinitions/src/vespa/attributes.def | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configdefinitions/src/vespa/attributes.def b/configdefinitions/src/vespa/attributes.def index 604ddd40930..3602c2b0fd7 100644 --- a/configdefinitions/src/vespa/attributes.def +++ b/configdefinitions/src/vespa/attributes.def @@ -31,8 +31,13 @@ attribute[].tensortype string default="" # Whether this is an imported attribute (from parent document db) or not. attribute[].imported bool default=false +# The distance metric to use for nearest neighbor search. +# Is only used when the attribute is a 1-dimensional indexed tensor. +attribute[].distancemetric enum { EUCLIDEAN, ANGULAR, GEODEGREES } default=EUCLIDEAN + # Configuration parameters for a hnsw index used together with a 1-dimensional indexed tensor for approximate nearest neighbor search. attribute[].index.hnsw.enabled bool default=false attribute[].index.hnsw.maxlinkspernode int default=16 +# Deprecated: Remove on Vespa 8 or before when possible. attribute[].index.hnsw.distancemetric enum { EUCLIDEAN, ANGULAR, GEODEGREES } default=EUCLIDEAN attribute[].index.hnsw.neighborstoexploreatinsert int default=200 |