编辑server.xml,添加

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<Executor name="tomcatThreadPool"
              namePrefix="HTTP-8080-exec-"
              prestartminSpareThreads="true"                                   #executor启动时，是否开启最小线程数
              maxThreads="50000"                                               #客户最大请求数
              maxQueueSize="100"                                               #任务队列上限
              minSpareThreads="50"                                             #最小的 保持活跃线程
              maxldle Time="10000" />                                          #超过最小活跃线程数量的线程，如果空闲时间超过这个设置后，会被关别。默认是1分钟

    <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443"
               compression="on"
               executor="tomcatThreadPool"
               compressionMinSize1="2048"
               noCompressionUserAgents="gozilla, traviata"
               compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain,,application/octet-stream"  />