From d10eb388a71440b3b074c1c5e339f5908dd6d679 Mon Sep 17 00:00:00 2001
From: Jacky <jackyq2015@gmail.com>
Date: Fri, 10 Nov 2017 15:44:05 -0500
Subject: [PATCH] message notification of the free RAM. Issue #1295

---
 refine     | 12 ++++++++++++
 refine.bat | 10 ++++++++++
 2 files changed, 22 insertions(+)

diff --git a/refine b/refine
index 63a2fe2ca..a54684464 100755
--- a/refine
+++ b/refine
@@ -934,6 +934,18 @@ if [ -z "$REFINE_MIN_MEMORY" ] ; then
 fi
 add_option "-Xms$REFINE_MIN_MEMORY -Xmx$REFINE_MEMORY -Drefine.memory=$REFINE_MEMORY"
 
+freeRam=UNKNOWN
+if [ "$OS" = "macosx" ] ; then
+	freeRam=$(top -l 1 | grep PhysMem | awk '{print $6}' | tr -d M)
+elif [ "$OS" = "linux" ] ; then
+	freeRam=$(free -m | grep -oP '\d+' | head -n 1)
+fi
+
+echo You have "$freeRam"M of free memory. 
+echo You current configuration will allow to use $REFINE_MEMORY of memory.
+echo OpenRefine can run better when given more memory. Read our FAQ on how to allocate more memory here:
+echo https://github.com/OpenRefine/OpenRefine/wiki/FAQ:-Allocate-More-Memory
+
 if [ -z "$REFINE_MAX_FORM_CONTENT_SIZE" ] ; then
     REFINE_MAX_FORM_CONTENT_SIZE="1048576"
 fi
diff --git a/refine.bat b/refine.bat
index c9b340834..a7668afad 100644
--- a/refine.bat
+++ b/refine.bat
@@ -137,9 +137,19 @@ if not "%REFINE_MEMORY%" == "" goto gotMemory
 set REFINE_MEMORY=1024M
 if not "%REFINE_MIN_MEMORY%" == "" goto gotMemory
 set REFINE_MIN_MEMORY=256M
+
 :gotMemory
 set OPTS=%OPTS% -Xms%REFINE_MIN_MEMORY% -Xmx%REFINE_MEMORY% -Drefine.memory=%REFINE_MEMORY%
 
+rem --- Check free memory ---------------------------------------------
+for /f "usebackq skip=1 tokens=*" %%i in (`wmic os get FreePhysicalMemory ^| findstr /r /v "^$"`) do @set /A freeRam=%%i/1024
+
+echo You have %freeRam%M of free memory. 
+echo You current configuration will allow to use %REFINE_MEMORY% of memory.
+echo OpenRefine can run better when given more memory. Read our FAQ on how to allocate more memory here:
+echo https://github.com/OpenRefine/OpenRefine/wiki/FAQ:-Allocate-More-Memory
+echo .
+
 if not "%REFINE_MAX_FORM_CONTENT_SIZE%" == "" goto gotMaxFormContentSize
 set REFINE_MAX_FORM_CONTENT_SIZE=1048576
 :gotMaxFormContentSize