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https://issues.apache.org/jira/browse/NETBEANS-6007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric D. updated NETBEANS-6007:
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Summary: NetBeans autoupdate really slow when installing a custom NBM with
12000+ files! (was: NetBeans autoupdate realy slow when installing a custom
NBM with 12000+ files!)
> NetBeans autoupdate really slow when installing a custom NBM with 12000+
> files!
> -------------------------------------------------------------------------------
>
> Key: NETBEANS-6007
> URL: https://issues.apache.org/jira/browse/NETBEANS-6007
> Project: NetBeans
> Issue Type: Bug
> Components: platform - Autoupdate
> Affects Versions: 8.2, 12.4
> Reporter: Eric D.
> Priority: Minor
> Labels: performance
> Attachments: autoupdate-thread-dump.txt
>
>
> I created an NBM file which packages a custom library with a lot of .h
> include files and other ones for my RCP app and, when I want to install it
> through Tools / Plugins, it takes a lot of time to finish the install!
> I inspected thread dumps of the app with visualvm (see attachement) and saw
> it long time passed into InstalledSupportImpl.touch() method.
> Looking at source code and Git hisory, I found a commit from Jaroslav Tulach
> in 2010 titled "More defensive touch" with a call to
> InstallSupportImpl.class.wait(30). In effect, it will wait 30ms per file in
> NBM! In the case of my NBM which will install 12000 files, it is spending
> 360s (6 min!) doing almost nothing. Is it really necessary? I don't
> understand the logic behind the wait and found no bug related to the commit
> in NetBeans BZ archive.
>
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