further rings speedup

diff --git a/pdns/dnsdist-lua.cc b/pdns/dnsdist-lua.cc
index c5a538d152650e9b95a773d9b4bcce90272c2298..56fcf45a59dcf9f895a34c923b4e9e7404ea8327 100644 (file)
--- a/pdns/dnsdist-lua.cc
+++ b/pdns/dnsdist-lua.cc
@@ -665,6 +665,7 @@ vector<std::function<void(void)>> setupLua(bool client, const std::string& confi
         }
       }
       vector<pair<int, ComboAddress>> rcounts;
+      rcounts.reserve(counts.size());
       for(const auto& c : counts) 
        rcounts.push_back(make_pair(c.second, c.first));