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Java program CPU usage is too high

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Tags cpu usage
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Java program CPU usage is too high

Using the top command to find the Java process PID with high usage rate
Find the thread tid based on the process number:ps -mp PID -o THREAD,tid,time
Convert Tid to 16 binary:printf "%x\n" TID
To view the process stack information through the Jstack command:jstack PID |grep TID16 -A 100

Note: The Jstack command is included in ORACLE-JDK OPENJDK does not contain this command

Java program CPU usage is too high

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