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If this is the issue, why would it appear after the upgrade from 21.1 to 21.1.4? The reason I noticed it is that the fans have ramped to 100% so the system is much noisier than it has been in the past.

Hello,

I upgraded from 21.1 to 21.1.4 last night. I have high CPU usage by the flowd_aggregator.py process since the upgrade. The process is frequently using 100% of one CPU core. I searched these forums and the web for possible solutions prior to posting.

Here is what I have tried to do to resolve this situation:

• Reboot
• Disabled IPv6 on WAN and LAN (not used on WAN so not needed on LAN)
• Cleared, applied, reconfigured, and then applied Netflow settings in the Reporting section
• Checked for additional updates

The CPU usage is under 1% with the flowd_aggregate service disabled. I am running OPNsense on a custom PC I built using an Intel(R) Core(TM) i5-4570S CPU @ 2.90GHz (4 cores).

I appreciate your time and any assistance you can provide. Also, please let me know if I have posted this in the wrong section.

Thanks!