查看日志的线程使用情况：

cat springboot-stress-jetty.log | cut -d " " -f 4|sort | uniq -c |sort -nr -k 1 | awk '{print $0}' | head -n 400

https://www.pianshen.com/article/8751295780/

Server Software:
Server Hostname:		10.131.32.26
Server Port:		8050
Document Path:		/stress/undertow/sync
Document Length:		35 bytes
Concurrency Level:		10
Time taken for tests:		2.050 seconds
Complete requests:		10000
Failed requests:		0
Total transferred:		1420000 bytes
HTML transferred:		350000 bytes
Requests per second:		4879.18
Transfer rate:		692844.14 kb/s received
Connnection Times (ms)
	min	avg	max
Connect:	0	0	3
Processing:	0	2	18
Total:	0	2	21