From 744cc412b779333f2869653d9c6d462fba3521eb Mon Sep 17 00:00:00 2001
From: fengjiayi <fengjiayi@baidu.com>
Date: Mon, 4 Jun 2018 14:11:25 +0800
Subject: [PATCH] fix a bug

---
 paddle/fluid/operators/reader/open_files_op.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/operators/reader/open_files_op.cc b/paddle/fluid/operators/reader/open_files_op.cc
index c0526e45f4..2cbae8a90a 100644
--- a/paddle/fluid/operators/reader/open_files_op.cc
+++ b/paddle/fluid/operators/reader/open_files_op.cc
@@ -27,7 +27,7 @@ class MultiFileReader : public framework::ReaderBase {
                   const std::vector<framework::DDim>& dims, size_t thread_num,
                   size_t buffer_size)
       : buffer_size_(buffer_size) {
-    readers_.resize(file_names.size());
+    readers_.reserve(file_names.size());
     for (const std::string& f_name : file_names) {
       readers_.emplace_back(CreateReaderByFileName(f_name, dims));
     }
-- 
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