From 0b90c1e4f4f45eb638bbaa9c4a3033ea0b85151a Mon Sep 17 00:00:00 2001
From: Aditi Ahuja <aditi.ahuja@couchbase.com>
Date: Wed, 28 Aug 2024 14:45:08 +0530
Subject: [PATCH] updated docs

---
 docs/vectors.md              | 20 ++++++++++++++++++++
 index/scorch/optimize_knn.go |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/docs/vectors.md b/docs/vectors.md
index 6ec3e2206..7c29c7fd6 100644
--- 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
index 37599981b..8be394a12 100644
--- 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 {