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Build: NetBeans IDE 6.9.1 (Build 201007282301) VM: Java HotSpot(TM) Client VM, 1.6.0-b105, Java(TM) SE Runtime Environment, 1.6.0-b105 OS: Windows XP User Comments: GUEST: I was trying to clean build a small project with 5 classes while one more very big project was loaded. I do these steps frequently but I faced this problem only once. Maximum slowness yet reported was 36001 ms, average is 19528
Created attachment 108831 [details] nps snapshot
The freeform project tries to load the actions from the project.xml and it's blocked as the "Open Projects" thread is saving a project. And the save is very slow as there is very high IO load. There is Subversion is building the cache. FileSystems are doing refresh. I remember I've filled an enhancement on runPriorityIO to be able to stop also VCS, so it may help in future. Unfortunately the Actions are needed from EDT. What I can do is to return some dummy action "Loading..." when the actions are not loaded.
(In reply to comment #2) > the save is very slow as there is very high IO load. Probably nothing to be done about it. When I/O is saturated, pretty much everything is going to freeze. > What I can do is to return some > dummy action "Loading..." when the actions are not loaded. Not possible, I think. This is checking delete action enablement, and getSupportedActions cannot run asynch.
as per Jesse's comment - not much can be done about this