SpringBoot 接口并发限制(Semaphore)（springboot并发数）

　　本篇文章为你整理了SpringBoot 接口并发限制(Semaphore)（springboot并发数）的详细内容，包含有springboot设置并发连接数 springboot并发数 springboot并发吞吐量 springboot 并发调优 SpringBoot 接口并发限制(Semaphore)，希望能帮助你了解 SpringBoot 接口并发限制(Semaphore)。

　　可以使用 JMeter 辅助测试 https://blog.csdn.net/weixin_45014379/article/details/124190381

@RestController

　　@RequestMapping({"/Test"})

　　public class test {

　　 Logger logger = LoggerFactory.getLogger(this.getClass());

　　 // 使用 Semaphore 并发限制3个超过阻塞

　　 private final Semaphore permit = new Semaphore(3, true);

　　
@GetMapping(value = {"/download"})

　　 public String download(HttpServletRequest request) {

　　 String result = "";

　　 try {

　　 // 获取令牌

　　 logger.info("锁住 {}", Thread.currentThread().getName());

　　 permit.acquire();

　　 logger.info("下载 {}", Thread.currentThread().getName());

　　 Thread.sleep(5000);

　　 result = "Success";

　　 } catch (Exception e) {

　　 e.printStackTrace();

　　 return e.getMessage();

　　 } finally {

　　 // 释放令牌

　　 permit.release();

　　 logger.info("释放 {}", Thread.currentThread().getName());

[2022-11-29 14:33:05.042] [http-nio-6201-exec-1] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-1

　　[2022-11-29 14:33:05.042] [http-nio-6201-exec-1] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-1

　　[2022-11-29 14:33:05.097] [http-nio-6201-exec-4] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-4

　　[2022-11-29 14:33:05.097] [http-nio-6201-exec-4] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-4

　　[2022-11-29 14:33:05.156] [http-nio-6201-exec-3] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-3

　　[2022-11-29 14:33:05.156] [http-nio-6201-exec-3] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-3

　　[2022-11-29 14:33:05.204] [http-nio-6201-exec-5] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-5

　　[2022-11-29 14:33:05.205] [http-nio-6201-exec-5] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-5

　　[2022-11-29 14:33:05.241] [http-nio-6201-exec-2] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-2

　　[2022-11-29 14:33:05.241] [http-nio-6201-exec-2] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-2

　　[2022-11-29 14:33:05.291] [http-nio-6201-exec-6] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-6

　　[2022-11-29 14:33:05.292] [http-nio-6201-exec-6] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-6

　　[2022-11-29 14:33:05.341] [http-nio-6201-exec-7] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-7

　　[2022-11-29 14:33:05.341] [http-nio-6201-exec-7] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-7

　　[2022-11-29 14:33:05.396] [http-nio-6201-exec-8] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-8

　　[2022-11-29 14:33:05.396] [http-nio-6201-exec-8] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-8

　　[2022-11-29 14:33:05.442] [http-nio-6201-exec-9] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-9

　　[2022-11-29 14:33:05.442] [http-nio-6201-exec-9] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-9

　　[2022-11-29 14:33:05.492] [http-nio-6201-exec-10] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-10

　　[2022-11-29 14:33:05.492] [http-nio-6201-exec-10] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-10

　　[2022-11-29 14:33:05.542] [http-nio-6201-exec-11] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-11

　　[2022-11-29 14:33:05.592] [http-nio-6201-exec-13] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-13

　　[2022-11-29 14:33:05.642] [http-nio-6201-exec-12] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-12

　　[2022-11-29 14:33:05.691] [http-nio-6201-exec-14] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-14

　　[2022-11-29 14:33:05.742] [http-nio-6201-exec-16] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-16

　　[2022-11-29 14:33:05.792] [http-nio-6201-exec-15] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-15

　　[2022-11-29 14:33:05.842] [http-nio-6201-exec-17] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-17

　　[2022-11-29 14:33:05.892] [http-nio-6201-exec-18] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-18

　　[2022-11-29 14:33:05.942] [http-nio-6201-exec-19] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-19

　　[2022-11-29 14:33:05.992] [http-nio-6201-exec-20] [INFO ] com.vipsoft.controller.ReleaseController - 锁住 http-nio-6201-exec-20

　　[2022-11-29 14:33:08.045] [http-nio-6201-exec-1] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-1

　　[2022-11-29 14:33:08.045] [http-nio-6201-exec-11] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-11

　　[2022-11-29 14:33:08.105] [http-nio-6201-exec-4] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-4

　　[2022-11-29 14:33:08.105] [http-nio-6201-exec-13] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-13

　　[2022-11-29 14:33:08.165] [http-nio-6201-exec-3] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-3

　　[2022-11-29 14:33:08.165] [http-nio-6201-exec-12] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-12

　　[2022-11-29 14:33:08.210] [http-nio-6201-exec-5] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-5

　　[2022-11-29 14:33:08.210] [http-nio-6201-exec-14] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-14

　　[2022-11-29 14:33:08.256] [http-nio-6201-exec-2] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-2

　　[2022-11-29 14:33:08.256] [http-nio-6201-exec-16] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-16

　　[2022-11-29 14:33:08.302] [http-nio-6201-exec-6] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-6

　　[2022-11-29 14:33:08.302] [http-nio-6201-exec-15] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-15

　　[2022-11-29 14:33:08.347] [http-nio-6201-exec-7] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-7

　　[2022-11-29 14:33:08.347] [http-nio-6201-exec-17] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-17

　　[2022-11-29 14:33:08.408] [http-nio-6201-exec-8] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-8

　　[2022-11-29 14:33:08.408] [http-nio-6201-exec-18] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-18

　　[2022-11-29 14:33:08.454] [http-nio-6201-exec-19] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-19

　　[2022-11-29 14:33:08.454] [http-nio-6201-exec-9] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-9

　　[2022-11-29 14:33:08.498] [http-nio-6201-exec-10] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-10

　　[2022-11-29 14:33:08.498] [http-nio-6201-exec-20] [INFO ] com.vipsoft.controller.ReleaseController - 工作 http-nio-6201-exec-20

　　[2022-11-29 14:33:11.047] [http-nio-6201-exec-11] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-11

　　[2022-11-29 14:33:11.109] [http-nio-6201-exec-13] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-13

　　[2022-11-29 14:33:11.167] [http-nio-6201-exec-12] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-12

　　[2022-11-29 14:33:11.213] [http-nio-6201-exec-14] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-14

　　[2022-11-29 14:33:11.258] [http-nio-6201-exec-16] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-16

　　[2022-11-29 14:33:11.304] [http-nio-6201-exec-15] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-15

　　[2022-11-29 14:33:11.350] [http-nio-6201-exec-17] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-17

　　[2022-11-29 14:33:11.411] [http-nio-6201-exec-18] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-18

　　[2022-11-29 14:33:11.458] [http-nio-6201-exec-19] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-19

　　[2022-11-29 14:33:11.503] [http-nio-6201-exec-20] [INFO ] com.vipsoft.controller.ReleaseController - 释放 http-nio-6201-exec-20

　　Disconnected from the target VM, address: 127.0.0.1:7367, transport: socket

　　Process finished with exit code -1

　　以上就是SpringBoot 接口并发限制(Semaphore)（springboot并发数）的详细内容，想要了解更多 SpringBoot 接口并发限制(Semaphore)的内容，请持续关注盛行IT软件开发工作室。

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