diff --git a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/BreakpointManager.java b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/BreakpointManager.java
index aac9ffd510c3..c682325b2366 100644
--- a/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/BreakpointManager.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/breakpoints/BreakpointManager.java
@@ -587,6 +587,9 @@ public class BreakpointManager {
     breakpoint.updateUI();
     RequestManagerImpl.createRequests(breakpoint);
     myDispatcher.getMulticaster().breakpointsChanged();
+    if (breakpoint instanceof MethodBreakpoint || breakpoint instanceof WildcardMethodBreakpoint) {
+      XDebugSessionImpl.NOTIFICATION_GROUP.createNotification("Method breakpoints may dramatically slow down debugging", MessageType.WARNING).notify(myProject);
+    }
   }
 
   private synchronized void onBreakpointAdded(XBreakpoint xBreakpoint) {