The number of threads in the Node process of the Express framework?

Linux environment, write an application using Express framework, launched using pm2 , Node version is V8.11.1 . I check that the value of Threads in the process file / proc/PID/status is 10. Why is this value 10? what does it have to do with? I looked at other processes of the same version of my server, and the value of Threads is also 10? Does it have anything to do with the version of Node ? liunx version is CentOS 7.4

in another linux , there is the same application whose version of Node is V10.14.0 . But if you look at / proc/PID/status , the value of Threads is 11. Please answer this question. liunx version is CentOS 7.0


the underlying layer of nodejs is libuv, so the size of threads is UV_THREADPOOL_SIZE + v8_thread_pool_size + 1

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1c05384-31edb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1c05384-31edb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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