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https://issues.apache.org/jira/browse/NETBEANS-416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16376024#comment-16376024
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Sven Reimers commented on NETBEANS-416:
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I just had a brief look at the profiling output. It looks like the CPU time is
spent doing something in MasterFS, so probably something changed on disk and
NetBeans was picking this up. Not sure if this intended if NetBeans is in the
background. So my first quick idea is to check if you have something sitting on
a slow filesystem (or even an antivirus watching NetBeans cache directories
etc.).
Anyone out there with more knowledge about the filesystem watching that is
implemented in NetBeans? Would there be any additional benefit to investigate
if moving to newer Java 8 API's may help?
> Excessive CPU usage
> -------------------
>
> Key: NETBEANS-416
> URL: https://issues.apache.org/jira/browse/NETBEANS-416
> Project: NetBeans
> Issue Type: Bug
> Affects Versions: 8.2
> Environment: Windows 10 Pro 64bit
> Reporter: Acs
> Priority: Major
> Attachments: 2018-02-22 14_34_52-Task Manager.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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