From eba3065f16f57cd477f980c3bf92e10056bf2223 Mon Sep 17 00:00:00 2001
From: Matthias Kuhn <matthias@opengis.ch>
Date: Thu, 10 Aug 2017 08:37:55 +0200
Subject: [PATCH] Start preview jobs slower (250ms interval)

---
 src/gui/qgsmapcanvas.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/qgsmapcanvas.cpp b/src/gui/qgsmapcanvas.cpp
index 787fed3a223..71a825e8854 100644
--- a/src/gui/qgsmapcanvas.cpp
+++ b/src/gui/qgsmapcanvas.cpp
@@ -2168,7 +2168,7 @@ void QgsMapCanvas::startPreviewJob( int number )
   if ( number < 8 )
   {
     mPreviewTimer.setSingleShot( true );
-    mPreviewTimer.setInterval( 10 );
+    mPreviewTimer.setInterval( 250 );
     disconnect( mPreviewTimerConnection );
     mPreviewTimerConnection = connect( &mPreviewTimer, &QTimer::timeout, [ = ]()
     {