From 93fb0c9b3f07473dfa43768e553afd543a15101b Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Mon, 19 Mar 2018 14:57:31 +0100
Subject: [PATCH] dnsdist: Reserve space for the content of the rings in
 exceed*

---
 pdns/dnsdist-lua2.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pdns/dnsdist-lua2.cc b/pdns/dnsdist-lua2.cc
index bd7d64b1ca..6f90a79b99 100644
--- a/pdns/dnsdist-lua2.cc
+++ b/pdns/dnsdist-lua2.cc
@@ -145,6 +145,7 @@ static counts_t exceedRespGen(unsigned int rate, int seconds, std::function<void
 
   {
     std::lock_guard<std::mutex> lock(g_rings.respMutex);
+    counts.reserve(g_rings.respRing.size());
     for(const auto& c : g_rings.respRing) {
       if(seconds && c.when < cutoff)
         continue;
@@ -171,6 +172,7 @@ static counts_t exceedQueryGen(unsigned int rate, int seconds, std::function<voi
 
   {
     ReadLock rl(&g_rings.queryLock);
+    counts.reserve(g_rings.queryRing.size());
     for(const auto& c : g_rings.queryRing) {
       if(seconds && c.when < cutoff)
         continue;
-- 
2.47.2