This bug was originally marked as duplicate of bug 204819, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE Dev (Build 201203150400)
VM: Java HotSpot(TM) 64-Bit Server VM, 20.4-b02-402, Java(TM) SE Runtime Environment, 1.6.0_29-b11-402-11D50b
OS: Mac OS X
dstrupl: Tried code completion after the IDE was long idle.
Maximum slowness yet reported was 18685 ms, average is 18685
Created attachment 116803 [details]
Code completion is slow due to extremely slow IO (caused by running HG - as can be seen from the attached snapshot). Closing as WONTFIX.