1. server.tomcat.accept-count=100 连接数达到最大时,允许排队的最大连接数(Maximum queue length for incoming connection requests when all possible request processing threads are in use.),默认为100; 2. server.tomcat.max-connections=8192 最大连接数(Maximum number of connections that the server accepts and processes at any given time. Once the limit has been reached, the operating system may still accept connections based on the "acceptCount" property.),默认为8192; 3. server.tomcat.max-threads=200 tomcat运行的最大工作线程数(Maximum amount of worker threads.),默认为200.