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Oracle Linux: High Load Average with Multiple kworker process in D state with WCHAN "rq_qos_wait" (Doc ID 2874885.1)

Last updated on JUNE 09, 2022

Applies to:

Linux OS - Version Oracle Linux 7.8 and later
Linux x86-64


Large number of kworker processes can be seen in D state with WCHAN value rq_qos_wait. This issue happens with UEK6 kernel. That causes a very high load average. 

Oswatcher ps data:



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