Christian Lenz commented on NETBEANS-416:

So it is a fresh installation NB 9. Didn't have a look into the snapshot. Maybe 
Jmeter or VisualVM can help here.

> Excessive CPU usage
> -------------------
>                 Key: NETBEANS-416
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-416
>             Project: NetBeans
>          Issue Type: Bug
>          Components: ide - Performance
>    Affects Versions: 8.2, 9.0
>         Environment: Windows 10 Pro 64bit
>            Reporter: Acs
>            Priority: Major
>         Attachments: 2018-02-22 14_34_52-Task Manager.png, 
> netbeans_30_cpu_usage.png, netbeans_9.0_plugins.png, profile_9.0.npss, 
> profiler_window.png, selfsampler.npss
> Hey,
> Something I have noticed in Netbeans is that from time to time Netbeans CPU 
> usage will go up to around 20% and most of the times I have Netbeans in the 
> background so I am not doing anything in Netbeans.
> Please fix this as this is a huge annoyance.
> Edit: To further explain why this is a huge annoyance: Netbeans will trigger 
> my laptop fans with the usage of CPU when it's not doing anything.
> Please someone analyze the profiler and tell me if I have a plugin that is 
> doing this or this is netbeans.
> I am really considering changing IDEs because of t his.

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