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TrueNAS Scale - iftop is taking huge CPU load

Description

TrueNAS Scale is taking 100% CPU per Thread and those are being opened per Interface.

So 6 network interfaces are taking 6 cores to 100%.

Running on TrueNAS-SCALE-22.02-RC.1-2
Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz (6 Core)
64GB DDR4 RAM (non-ECC)
1x KINGSTON_SM2280S3240G at Boot Pool
7x WD40ERFX 4TB CMR HDDs at RaidZ2 with 1x Samsung 860 EVO 1TB LOG
2x WD30ERFX 3TB CMR HDDs at "not used"
2x 10G Broadcom NIC (1x LAN with 5 VLANs, 1x Dedicated PVE Server)
1x Ubuntu VM (8GB)

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Bug Clerk 
January 27, 2022 at 3:22 PM

Bug Clerk 
January 25, 2022 at 6:30 PM

Marcus Ostas 
January 25, 2022 at 9:30 AM

Having the same issue aswell, hopefully it'll be fixed for us that use SNMP in out monitoring systems.

Manuel Miska 
December 18, 2021 at 11:36 AM

No. Running iftop in a shell directly is ok.

 

William Gryzbowski 
December 17, 2021 at 10:36 AM

Does CPU usage goes to 100% if you manually run iftop in a shell session?

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Katalon Platform

Created December 12, 2021 at 5:44 PM
Updated July 1, 2022 at 5:50 PM
Resolved February 10, 2022 at 3:17 PM