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https://issues.apache.org/jira/browse/NETBEANS-2661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16907406#comment-16907406
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Shevek commented on NETBEANS-2661:
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Also, the thing is, whatever data it spent 8 minutes initializing, the next 
time I do a find-usages, it initializes it again, so in combination with the 
IDE needing frequent restarts, this find-usages time is EVERY SINGLE TIME. So I 
just never use it any more.

Seems to be related to the number of open projects, and netbeans seems 
currently to be confused about which dependencies are unique vs shared - 
there's a bunch of issues around that which I havent' reported yet - could it 
be scanning JDK, Guava, etc multiple times, once per open project? This does 
seem to be related to the number of open projects.

> find-usages takes a 
> LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
> ----------------------------------------------------------------------------------
>
>                 Key: NETBEANS-2661
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-2661
>             Project: NetBeans
>          Issue Type: Bug
>    Affects Versions: 11.0
>         Environment: Linux, JDK 1.8, etc
>            Reporter: Shevek
>            Assignee: Laszlo Kishalmi
>            Priority: Major
>              Labels: PERFORMANCE, Performance, perf, perfomance, performance, 
> performence
>         Attachments: find-usages-is-totally-unusable-11.1.npss, 
> netbeans-find-usages.npss
>
>
> OOOOOOOOOOOng time, like 5 minutes. Please see attached profile.



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