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This issue was reported manually by tstupka. It already has 7 duplicates Build: NetBeans IDE 8.0.2 (Build 201411181905) VM: Java HotSpot(TM) Client VM, 25.0-b70, Java(TM) SE Runtime Environment, 1.8.0-b132 OS: Windows 7 User Comments: GUEST: sometimes the IDE get stuck doing something with 100% disk usage GUEST: Works bad on Windows 8.1 tsiry.hajaina: LowPerformance took 34793 ms. GUEST: My Pc went slow when i was running software inspection . it slowed down whole my system. GUEST: It is and it was like now since one year. In the meanwhile I've made a full reset of this machine and passed from NB 7.4 (before the reset) to NB 8.0.2, now, after the reset. But freezes and slowliness keep going on. GUEST: very low performance. GUEST: ? ?????? ???????? Netbeans ? ??? ????????. Maximum slowness yet reported was 41541 ms, average is 28960
Created attachment 154623 [details] nps snapshot
o.n.m.project.ui.actions.ActionsUtil.getProjectsFromLookup() blocked by a concurrently running open projects
will add a slight optimization, not sure though how much it will help
fixed in jet-main #0659db4fc174
Integrated into 'main-silver', will be available in build *201507160001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/0659db4fc174 User: Tomas Stupka <tstupka@netbeans.org> Log: Issue #253467 - org.netbeans.api.project.ProjectManager.findProject: LowPerformance took 34793 ms.