서브렛 다중 스레드 테스트

서브렛은 실행할 때 하나의 실례만 있지만 서비스 방법은 다중 루트

doGet을 다시 쓰는 방법으로 테스트

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		System.out.println(new Date()+":  get  ------");
		System.out.println("     ："+this+";hashCode:"+this.hashCode());
		System.out.println("    ："+Thread.currentThread());
		
	}

테스트 출력 결과

Sun Jan 14 19:31:28 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-4,5,main]
Sun Jan 14 19:31:29 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-5,5,main]
Sun Jan 14 19:31:29 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-6,5,main]
Sun Jan 14 19:31:29 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-7,5,main]
Sun Jan 14 19:31:30 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-9,5,main]
Sun Jan 14 19:31:30 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-8,5,main]
Sun Jan 14 19:31:30 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-10,5,main]
Sun Jan 14 19:31:30 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-1,5,main]
Sun Jan 14 19:31:30 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-2,5,main]
Sun Jan 14 19:31:31 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-3,5,main]
Sun Jan 14 19:31:31 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-4,5,main]
Sun Jan 14 19:31:31 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-5,5,main]
Sun Jan 14 19:31:31 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-6,5,main]
Sun Jan 14 19:31:31 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-7,5,main]
Sun Jan 14 19:31:31 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-9,5,main]
Sun Jan 14 19:31:32 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-8,5,main]
Sun Jan 14 19:31:32 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-10,5,main]
Sun Jan 14 19:31:32 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-1,5,main]
Sun Jan 14 19:31:32 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-2,5,main]
Sun Jan 14 19:31:32 CST 2018:  get  ------
     ：com.oracle.first.login@31f35411;hashCode:838030353
    ：Thread[http-nio-8080-exec-3,5,main]

상기 테스트에서 알 수 있듯이 서브렛의 실례는 하나입니다. 서비스 방법은 다중 루트입니다. 현재 루트가 점용될 때 용기는 새로운 루트를 호출하여 처리 요청을 진행합니다

tomcat8은 순환 분배 라인의 알고리즘을 사용하여 서비스 방법을 호출한다

서브렛 다중 스레드 테스트

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