This bug was originally marked as duplicate of bug 196753, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE 7.1 RC2 (Build 201111302200)
VM: Java HotSpot(TM) Client VM, 16.3-b01, Java(TM) SE Runtime Environment, 1.6.0_20-b02
OS: Windows 7
davideconsonni: debug, autocomplete and editing source at same time :)
Maximum slowness yet reported was 3177 ms, average is 3177
Created attachment 113905 [details]
As can be seen from the attached snapshot, Code completion waits for slow IO.