From 065e9e6a4ee39701758027e7b6e1f63e1529a503 Mon Sep 17 00:00:00 2001
From: fary86 <fary.fanrui@huawei.com>
Date: Thu, 23 Apr 2020 21:13:12 +0800
Subject: [PATCH] Fix when not set GLOG_log_dir, create log file at /tmp

---
 mindspore/ccsrc/utils/log_adapter.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mindspore/ccsrc/utils/log_adapter.cc b/mindspore/ccsrc/utils/log_adapter.cc
index 0cd9b64a9..deb4f3838 100644
--- a/mindspore/ccsrc/utils/log_adapter.cc
+++ b/mindspore/ccsrc/utils/log_adapter.cc
@@ -252,9 +252,13 @@ void mindspore_log_init(void) {
   if (mindspore::GetEnv("GLOG_logfile_mode").empty()) {
     FLAGS_logfile_mode = 0640;
   }
+  std::string logtostderr = mindspore::GetEnv("GLOG_logtostderr");
   // default print log to screen
-  if (mindspore::GetEnv("GLOG_logtostderr").empty()) {
+  if (logtostderr.empty()) {
     FLAGS_logtostderr = true;
+  } else if (logtostderr == "0" && mindspore::GetEnv("GLOG_log_dir").empty()) {
+    FLAGS_logtostderr = true;
+    MS_LOG(WARNING) << "`GLOG_log_dir` is not set, output log to screen.";
   }
 #else
   mindspore::InitMsLogLevel();
-- 
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