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https://issues.apache.org/jira/browse/NETBEANS-416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735754#comment-16735754
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Eirik Bakke edited comment on NETBEANS-416 at 1/7/19 12:31 PM:
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Are people on Windows 10 observing this behavior _always_, or just sometimes? A
quick check shows NetBeans 10 using 0% CPU right now on my own Windows 10 setup.
For troubleshooting purposes, it might be worth trying to turn of Windows
Defender's background scan, and seeing if the problem persists. I've got it
permanently disabled myself, for unrelated reasons (it makes Windows Subsystem
for Linux unbearably slow), but it's probably not something we can recommend.
To turn of Windows Defender's background scan, go into the "Edit Group Policy"
app and then set Computer Configuration->Administrative Templates->Windows
Components->Windows Defender Antivirus->Turn off Windows Defender Antivirus.
was (Author: ebakke):
Are people on Windows 10 observing this behavior _always_, or just sometimes? A
quick check shows NetBeans 10 using 0% on my own Windows 10 setup.
For troubleshooting purposes, it might be worth trying to turn of Windows
Defender's background scan, and seeing if the problem persists. I've got it
permanently disabled myself, for unrelated reasons (it makes Windows Subsystem
for Linux unbearably slow), but it's probably not something we can recommend.
To turn of Windows Defender's background scan, go into the "Edit Group Policy"
app and then set Computer Configuration->Administrative Templates->Windows
Components->Windows Defender Antivirus->Turn off Windows Defender Antivirus.
> 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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