cannot remove unused config quite yet
@@ -39,5 +39,7 @@ attribute[].distancemetric enum { EUCLIDEAN, ANGULAR, GEODEGREES, INNERPRODUCT }
attribute[].index.hnsw.enabled bool default=false
attribute[].index.hnsw.maxlinkspernode int default=16
attribute[].index.hnsw.neighborstoexploreatinsert int default=200
+# Deprecated: Remove on Vespa 8 or before when possible.
+attribute[].index.hnsw.distancemetric enum { EUCLIDEAN, ANGULAR, GEODEGREES } default=EUCLIDEAN
# Whether multi-threaded indexing is enabled for this hnsw index.
attribute[].index.hnsw.multithreadedindexing bool default=false
