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Bug 223145

Summary:	org.netbeans.modules.maven.MavenProjectPropsImpl.get: LowPerformance took 11280 ms.
Product:	projects	Reporter:	Exceptions Reporter <exceptions_reporter>
Component:	Maven	Assignee:	Tomas Stupka <tstupka>
Status:	RESOLVED FIXED
Severity:	normal	CC:	imadbougataya, krischik, lolo_101, wshackleAtGmail
Priority:	P3	Keywords:	PERFORMANCE
Version:	7.3
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	173621
Attachments:	nps snapshot

Description Exceptions Reporter 2012-12-02 18:00:07 UTC

Build: NetBeans IDE 7.3 Beta 2 (Build 201211062253)
VM: Java HotSpot(TM) 64-Bit Server VM, 20.6-b01-415, Java(TM) SE Runtime Environment, 1.6.0_31-b04-415-10M3646
OS: Mac OS X

User Comments:
krischik: all pop up menues are damm slow



Maximum slowness yet reported was 11297 ms, average is 7200

Comment 1 Exceptions Reporter 2012-12-02 18:00:09 UTC

Created attachment 128725 [details]
nps snapshot

Comment 2 Milos Kleint 2012-12-03 07:53:14 UTC

the AWT thread is waiting in synchronized block on other thread's completion. The other thread is loading MavenProject instance in non-project loading loop. That's a sign of having non-opened projects files opened and selected, along with heap memory almost used up. Only in that case MavenProject softReferences release the reference. But in this case the instance is reloaded and coincidently AWT thread takes the hit as well. 
No clear fix in sight, user level workaround is to open projects one is working with and keep enough memory to avoid hitting the ceiling frequently..

Comment 3 Milos Kleint 2013-11-28 08:45:47 UTC

report 689469 should be fixed by recent rewrite of M2AuxiliaryConfigImpl that is lighter on filesystem touches

Comment 4 Tomas Stupka 2016-06-23 09:05:58 UTC

one more report since 7.4 beta - concurrent read access

Comment 5 Tomas Stupka 2016-06-23 12:58:19 UTC

fixed in jet-main #fe40b875f0a9

Comment 6 Quality Engineering 2016-06-24 01:46:12 UTC

Integrated into 'main-silver', will be available in build *201606240002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/fe40b875f0a9
User: Tomas Stupka <tstupka@netbeans.org>
Log: Issue #223145 - org.netbeans.modules.maven.MavenProjectPropsImpl.get: LowPerformance took 11280 ms.

Comment 7 Quality Engineering 2016-07-14 01:51:51 UTC

Integrated into 'main-silver', will be available in build *201607140002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/d466a13d3f90
User: Tomas Stupka <tstupka@netbeans.org>
Log: issue #223145 - org.netbeans.modules.maven.MavenProjectPropsImpl.get: LowPerformance took 11280 ms.
one more change ...