Is it possible that weird cpu usage is an issue? It seems that DATANODE cannot properly utilize multiple cpu

[JavaCPlusMario]

atop

CPU | sys 32% | user 485%
cpu | sys 4% | user 67%
cpu | sys 4% | user 63%
...

PID     TID S  CPU COMMAND-LINE (horizontal scroll with <- and -> keys)                                   

39738 - S 533% /usr/java/latest/bin/java --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.nio=ALL-UNNAMED --add

It seems that DATANODE cannot properly utilize multiple cpus

[CritasWang]

jdk version?
iotdb version?