updated docs

blevesearch · Aug 28, 2024 · 0b90c1e · 0b90c1e
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diff --git a/docs/vectors.md b/docs/vectors.md
@@ -80,6 +80,26 @@ if err != nil {
 fmt.Println(searchResult.Hits)
 ```
 
+## Querying with Filters
+```go
+searchRequest := NewSearchRequest(query.NewMatchNoneQuery())
+
+filterQuery := NewTermQuery("hello")
+
+searchRequest.AddKNNWithFilter(
+    "vec",                                      // vector field name
+    []float32{10,11,12,13,14,15,16,17,18,19},   // query vector (same dims)
+    5,                                          // k
+    0,                                          // boost
+    filterQuery,                                // filter query
+)
+searchResult, err := index.Search(searchRequest)
+if err != nil {
+    panic(err)
+}
+fmt.Println(searchResult.Hits)
+```
+
 ## Setup Instructions
 
 * Using `cmake` is a recommended approach by FAISS authors.

diff --git a/index/scorch/optimize_knn.go b/index/scorch/optimize_knn.go
@@ -39,7 +39,7 @@ type OptimizeVR struct {
 }
 
 // This setting _MUST_ only be changed during init and not after.
-var BleveMaxKNNConcurrency = 1
+var BleveMaxKNNConcurrency = 10
 
 func (o *OptimizeVR) invokeSearcherEndCallback() {
 	if o.ctx != nil {