These kernel stack traces look innocuous. Stack traces from the dtrace scripts in the answer below.
Update: running dtrace scripts of most common stack traces So, the docker embedded host isn't causing the CPU usage spike.
The CPU usage on docker embedded host is ~3%. The physical size matches the logical size.ĭtruss sudo dtruss -p $DOCKER_PID shows a large number of psynch_cvsignal and psynch_cvwait calls. According to What is Docker.qcow2?, Docker.qcow2 is a sparse file that's the persistent storage for all Docker containers. Iosnoop shows that performs about 50 writes per second totaling 500KB per second to the file Docker.qcow2. How do I diagnose the cause of Docker on MacOS, specifically using 100% of CPU?ĭocker stats shows all the running containers have low CPU, memory, net IO and block IO.
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