Reclaim memory when doing changes to the graph in the hnsw index.

1 files changed, 3 insertions, 0 deletions

diff --git a/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp b/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp
index 761d403ac6c..1f3ad7c2fec 100644
--- a/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp
+++ b/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp
@@ -134,6 +134,9 @@ public:
     void trim_hold_lists(generation_t first_used_gen) override {
         _trim_gen = first_used_gen;
     }
+    vespalib::MemoryUsage memory_usage() const override {
+        return vespalib::MemoryUsage();
+    }
     std::vector<Neighbor> find_top_k(uint32_t k, vespalib::tensor::TypedCells vector, uint32_t explore_k) const override {
         (void) k;
         (void) vector;