Set discovery thread priority to low #5017

(cherry picked from commit bd7ec196443202501d76f12db5f243e1efb7cf57)

diff --git a/src/libsync/syncengine.cpp b/src/libsync/syncengine.cpp
index 85d7e9b92ce4e5c45219c1afdb8239ebadf45211..a9f9701de333ef17691a16aa8945ed2da239ec48 100644 (file)
--- a/src/libsync/syncengine.cpp
+++ b/src/libsync/syncengine.cpp
@@ -765,7 +765,11 @@ void SyncEngine::startSync()
 
     qDebug() << "#### Discovery start #################################################### >>";
 
-    _thread.start();
+    // Usually the discovery runs in the background: We want to avoid
+    // stealing too much time from other processes that the user might
+    // be interacting with at the time.
+    _thread.start(QThread::LowPriority);
+
     _discoveryMainThread = new DiscoveryMainThread(account());
     _discoveryMainThread->setParent(this);
     connect(this, SIGNAL(finished(bool)), _discoveryMainThread, SLOT(deleteLater()));