From 7755c2827ca9a4892c6881e1e85a7d8e4687fa4b Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Thu, 5 Nov 2015 23:47:22 +0900
Subject: [PATCH] nghttpx: Reserve headers vector

---
 src/shrpx_downstream.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/shrpx_downstream.cc b/src/shrpx_downstream.cc
index 65f3e970..eb284aa7 100644
--- a/src/shrpx_downstream.cc
+++ b/src/shrpx_downstream.cc
@@ -150,6 +150,9 @@ Downstream::Downstream(Upstream *upstream, MemchunkPool *mcpool,
 
   http2::init_hdidx(request_hdidx_);
   http2::init_hdidx(response_hdidx_);
+
+  request_headers_.reserve(16);
+  response_headers_.reserve(32);
 }
 
 Downstream::~Downstream() {