message: Added -Wsuggest-override
diff: @@ -37,7 +37,7 @@ private:
  kvstore::ResultCode processVertex(PartitionID partID, VertexID vId,
  std::vector<TagContext>& tagContexts,
  - EdgeContext& edgeContext) {
  + EdgeContext& edgeContext) override {
  UNUSED(partID);
  UNUSED(vId);
  UNUSED(tagContexts);
  @@ -48,7 +48,7 @@ private:
  void onProcessed(std::vector<TagContext>& tagContexts,
  EdgeContext& edgeContext,
  - int32_t retNum) {
  + int32_t retNum) override {
  UNUSED(tagContexts);
  UNUSED(edgeContext);
  UNUSED(retNum);
  