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Old 02.04.2021, 14:06
nawaf nawaf is offline
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Join Date: Apr 2021
Posts: 2
Default jdownloader2.0 use one core only out of 8

when I got jdownaloder2.0 2-3 years back I got low speed internet 20-30mb/s but now I got google fiber 1gb/s and I can see that if I start the download it will start with one core and then max it and then freeze the system for 5-6sec and then unfreeze for 1-2 and then repeat when the system freeze I got 80-90MB/s but it will slowdown to 10-15MB/s I got windows 10 64bit jdownloader2.0 64bit and java 64bit my pc

CPU AMD Ryzen 7 3700X 8-Core Processor 3.59 GHz
downloading to Corsair Force Series MP600 1TB
log: 02.04.21 13.40.51 <--> 02.04.21 15.06.02 jdlog://1799725302851/
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Old 02.04.2021, 19:32
nawaf nawaf is offline
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Join Date: Apr 2021
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**External links are only visible to Support Staff****External links are only visible to Support Staff** image when it happened
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Old 09.04.2021, 15:11
Jiaz's Avatar
Jiaz Jiaz is offline
JD Manager
Join Date: Mar 2009
Location: Germany
Posts: 72,768

System freezes are a sign for driver/firewall/av/hardware issues. JDownloader is normal user space application and that one cannot easily freeze your whole system.
To me it looks like IO issue. JDownloader downloads at high speed and then OS struggles to write data to disk and then blocks/freezes. Or firewall/av issue

Are you downloading to that Corsair directly? Drive F: ?
Could you please test it with CrystalDiskMark

What firewall/av are you using?

Have you tested to download on different drive/location?

Also try to reduce max connection to 1 and check if the issue still exists?

In doubt I can offer a Teamviewer session and we check this out together, just contact
me via support@jdownloader.org
JD-Dev & Server-Admin
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