{"id":582,"date":"2025-08-23T00:11:08","date_gmt":"2025-08-22T16:11:08","guid":{"rendered":"https:\/\/www.zackzzp.top\/?p=582"},"modified":"2025-10-28T15:59:06","modified_gmt":"2025-10-28T07:59:06","slug":"26%e7%a7%8b%e6%8b%9b%e7%ac%94%e9%9d%a2%e6%bc%8f%e9%a2%98","status":"publish","type":"post","link":"http:\/\/www.zackzzp.top\/index.php\/2025\/08\/23\/26%e7%a7%8b%e6%8b%9b%e7%ac%94%e9%9d%a2%e6%bc%8f%e9%a2%98\/","title":{"rendered":"26\u79cb\u62db\u7b14\u9762\u6f0f\u9898"},"content":{"rendered":"\n

\u5e7f\u5dde\u4e91\u5f99\u79d1\u6280<\/h2>\n\n\n\n

JSP\u548cServlet\u7684\u533a\u522b<\/h3>\n\n\n\n
    \n
  1. jsp\u7ecf\u7f16\u8bd1\u540e\u5c31\u53d8\u6210\u4e86Servlet.(JSP\u7684\u672c\u8d28\u5c31\u662fServlet\uff0cJVM\u53ea\u80fd\u8bc6\u522bjava\u7684\u7c7b\uff0c\u4e0d\u80fd\u8bc6\u522bJSP\u7684\u4ee3\u7801,Web\u5bb9\u5668\u5c06JSP\u7684\u4ee3\u7801\u7f16\u8bd1\u6210JVM\u80fd\u591f\u8bc6\u522b\u7684java\u7c7b)<\/li>\n\n\n\n
  2. jsp\u66f4\u64c5\u957f\u8868\u73b0\u4e8e\u9875\u9762\u663e\u793a,servlet\u66f4\u64c5\u957f\u4e8e\u903b\u8f91\u63a7\u5236.<\/li>\n\n\n\n
  3. Servlet\u4e2d\u6ca1\u6709\u5185\u7f6e\u5bf9\u8c61\uff0cJsp\u4e2d\u7684\u5185\u7f6e\u5bf9\u8c61\u90fd\u662f\u5fc5\u987b\u901a\u8fc7HttpServletRequest\u5bf9\u8c61\uff0cHttpServletResponse\u5bf9\u8c61\u4ee5\u53caHttpServlet\u5bf9\u8c61\u5f97\u5230.<\/li>\n\n\n\n
  4. Jsp\u662fServlet\u7684\u4e00\u79cd\u7b80\u5316\uff0c\u4f7f\u7528Jsp\u53ea\u9700\u8981\u5b8c\u6210\u7a0b\u5e8f\u5458\u9700\u8981\u8f93\u51fa\u5230\u5ba2\u6237\u7aef\u7684\u5185\u5bb9\uff0cJsp\u4e2d\u7684Java\u811a\u672c\u5982\u4f55\u9576\u5d4c\u5230\u4e00\u4e2a\u7c7b\u4e2d\uff0c\u7531Jsp\u5bb9\u5668\u5b8c\u6210\u3002\u800cServlet\u5219\u662f\u4e2a\u5b8c\u6574\u7684Java\u7c7b\uff0c\u8fd9\u4e2a\u7c7b\u7684Service\u65b9\u6cd5\u7528\u4e8e\u751f\u6210\u5bf9\u5ba2\u6237\u7aef\u7684\u54cd\u5e94\u3002<\/li>\n<\/ol>\n\n\n\n

    \u8f6f\u4ef6\u5de5\u7a0b\u5e38\u89c1\u5f00\u53d1\u6a21\u578b<\/h3>\n\n\n\n
    \u6a21\u578b<\/th>\u6838\u5fc3\u601d\u60f3<\/th>\u5173\u952e\u7279\u70b9<\/th>\u4e3b\u8981\u9002\u7528\u573a\u666f<\/th>\u4e3b\u8981\u5f31\u70b9\/\u6311\u6218<\/th><\/tr><\/thead>
    \u7011\u5e03\u6a21\u578b<\/strong><\/td>\u7ebf\u6027\u987a\u5e8f\uff0c\u9636\u6bb5\u56fa\u5316<\/td>\u7ed3\u6784\u5316\u3001\u6587\u6863\u5316\u3001\u98ce\u9669\u540e\u7f6e<\/td>\u9700\u6c42\u7a33\u5b9a\u6e05\u6670\u3001\u6280\u672f\u6210\u719f\u3001\u6587\u6863\u4e25\u683c<\/td>\u6297\u62d2\u53d8\u66f4\u3001\u98ce\u9669\u540e\u7f6e<\/td><\/tr>
    \u589e\u91cf\u6a21\u578b<\/strong><\/td>\u529f\u80fd\u5206\u6279\u6784\u5efa\u4ea4\u4ed8<\/td>\u6a21\u5757\u5316\u3001\u5206\u6279\u6b21\u4ea4\u4ed8\u3001\u964d\u4f4e\u6574\u4f53\u98ce\u9669<\/td>\u9700\u6c42\u53ef\u5206\u4f18\u5148\u7ea7\u3001\u53ef\u5206\u671f\u4ea4\u4ed8\u5927\u578b\u7cfb\u7edf<\/td>\u589e\u91cf\u95f4\u63a5\u53e3\u3001\u6574\u4f53\u67b6\u6784\u9700\u65e9\u671f\u8bbe\u8ba1<\/td><\/tr>
    \u8fed\u4ee3\u6a21\u578b<\/strong><\/td>\u5faa\u73af\u6d3b\u52a8\uff0c\u9010\u6b65\u6c42\u7cbe<\/td>\u7075\u6d3b\u3001\u9002\u5e94\u6027\u5f3a\u3001\u5feb\u901f\u53cd\u9988\u3001\u98ce\u9669\u524d\u79fb<\/td>\u9700\u6c42\u4e0d\u660e\u786e\/\u6613\u53d8\u3001\u9ad8\u98ce\u9669\u3001\u5927\u578b\u590d\u6742\u3001\u9700\u53cd\u9988<\/td>\u4f9d\u8d56\u6709\u6548\u6c9f\u901a\u3001\u6301\u7eed\u7528\u6237\u53c2\u4e0e<\/td><\/tr>
    \u87ba\u65cb\u6a21\u578b<\/strong><\/td>\u98ce\u9669\u9a71\u52a8\u7684\u8fed\u4ee3\u5faa\u73af<\/td>\u98ce\u9669\u9a71\u52a8\u3001\u9ad8\u5ea6\u7075\u6d3b\u3001\u878d\u5408\u591a\u79cd\u65b9\u6cd5<\/td>\u5927\u578b\u590d\u6742\u9ad8\u98ce\u9669\u9879\u76ee\u3001\u91cd\u5927\u53d8\u9769\u3001\u5b89\u5168\u5173\u952e\u7cfb\u7edf<\/td>\u590d\u6742\u3001\u6210\u672c\u9ad8\u3001\u4f9d\u8d56\u98ce\u9669\u7ba1\u7406\u80fd\u529b<\/td><\/tr>
    \u55b7\u6cc9\u6a21\u578b<\/strong><\/td>\u9636\u6bb5\u91cd\u53e0\u65e0\u7f1d\u56de\u6eaf\uff08\u9762\u5411\u5bf9\u8c61\uff09<\/td>\u65e0\u7f1d\u56de\u6eaf\u3001\u9636\u6bb5\u4ea4\u7ec7\u3001\u81ea\u7136\u6620\u5c04\u5bf9\u8c61\u751f\u547d\u5468\u671f<\/td>\u9762\u5411\u5bf9\u8c61\u5f00\u53d1\u3001\u5feb\u901f\u539f\u578b\u3001\u7ec4\u4ef6\u590d\u7528<\/td>\u7ba1\u7406\u96be\u5ea6\u5927\u3001\u5b9e\u8df5\u5e94\u7528\u8f83\u5c11<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u63d2\u5165\u6392\u5e8f<\/h3>\n\n\n\n

    \u63d2\u5165\u6392\u5e8f\u5c31\u50cf\u6597\u5730\u4e3b\u6392\u724c\uff0c\u5148\u627e\u5230\u4e00\u5f20\u6bd4\u524d\u8fb9\u5c0f\u7684\uff0c\u8fd9\u4e2a\u80af\u5b9a\u8981\u653e\u5728\u6211\u8fd9\u4e2a\u4f4d\u7f6e\u4e4b\u524d\uff0c\u81f3\u4e8e\u653e\u5728\u54ea\uff0c\u5e94\u8be5\u5728\u8fdb\u884c\u4e00\u8f6e\u5faa\u73af\u6bd4\u8f83<\/p>\n\n\n\n

    public void insertionSort(int[] arr) { for (int i = 1; i < arr.length; i++) { int val = arr[i]; int j = i; while (j > 0 && arr[j - 1] > val) { arr[j] = arr[j - 1]; j--; } arr[j] = val; } }<\/code><\/p>\n\n\n\n

    \u6df1\u5733\u5c0f\u8d62\u79d1\u6280<\/h2>\n\n\n\n

    Drools->restful->MVC completableFuture->\u57fa\u7840\u7ebf\u7a0b\u4f7f\u7528 \u4e0d\u61c2\u7684\u4e1c\u897f\u522b\u591a\u5634<\/p>\n\n\n\n

    \u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528Drools\uff08Rete\u7b97\u6cd5\uff09<\/h3>\n\n\n\n

    \u5e38\u7528API\u8c03\u7528\u94fe<\/p>\n\n\n\n

    \"image\"\/<\/div><\/a><\/figure>\n\n\n\n

    \u5de5\u4f5c\u6d41\u7a0b<\/p>\n\n\n\n

    \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
    \"image\"\/<\/div><\/a><\/figure>\n\n\n\n

    Drools\u7684\u4f18\u52bf<\/h4>\n\n\n\n
      \n
    1. \u5728\u4e0d\u6539\u53d8\u539f\u6709\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u4fee\u6539\u89c4\u5219\uff08\u52a8\u6001\u6027\u548c\u7075\u6d3b\u6027\uff09<\/li>\n\n\n\n
    2. \u4e1a\u52a1\u89c4\u5219\u548c\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u89e3\u8026<\/li>\n\n\n\n
    3. \u96c6\u4e2d\u5316\u7ba1\u7406\u548c\u590d\u7528<\/li>\n\n\n\n
    4. \u57fa\u4e8e\u8fd9\u4e2a\u89c4\u5219\u7f51\u7edc\u5728\u7279\u5b9a\u573a\u666f\u4e0b\uff08\u589e\u91cf\u5339\u914d\uff0c\u89c4\u5219\u7f51\u7edc\u4f18\u5316\uff09\u6027\u80fd\u4f1a\u66f4\u597d\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u7b80\u5355\u7684\u89c4\u5219\uff0cif-else\u4f1a\u66f4\u5feb\u4e9b<\/li>\n<\/ol>\n\n\n\n

      \u7f3a\u70b9<\/h4>\n\n\n\n

      RETE\u7b97\u6cd5\u4f7f\u7528\u4e86\u5b58\u50a8\u533a\u5b58\u50a8\u5df2\u8ba1\u7b97\u7684\u4e2d\u95f4\u7ed3\u679c\uff0c\u4ee5\u7a7a\u95f4\u6362\u53d6\u65f6\u95f4\uff0c\u4ece\u800c\u52a0\u5feb\u7cfb\u7edf\u7684\u901f\u5ea6\u3002\u7136\u800c\u5b58\u50a8\u533a\u6839\u636e\u89c4\u5219\u7684\u6761\u4ef6\u4e8e\u4e8b\u5b9e\u7684\u6570\u76ee\u6210\u6307\u6570\u7ea7\u589e\u957f\uff0c\u6781\u7aef\u60c5\u51b5\u4e0b\u4f1a\u8017\u5c3d\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n\n\n\n

      Rete\u7b97\u6cd5<\/h4>\n\n\n\n

      \u80cc\u666f<\/h5>\n\n\n\n

      \u89c4\u5219\u5f15\u64ce\u7684\u6838\u5fc3\u4efb\u52a1\u662f\u9ad8\u6548\u5730\u5339\u914d\u89c4\u5219\u4e2d\u7684\u6761\u4ef6\u4e0e\u8f93\u5165\u6570\u636e\uff08\u4e8b\u5b9e\uff09\uff0c\u5e76\u6267\u884c\u76f8\u5e94\u7684\u52a8\u4f5c\u3002 \u7136\u800c\uff0c\u968f\u7740\u89c4\u5219\u6570\u91cf\u548c\u6570\u636e\u89c4\u6a21\u7684\u589e\u52a0\uff0c\u7b80\u5355\u7684\u7ebf\u6027\u5339\u914d\u65b9\u6cd5\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\u3002Rete\u7b97\u6cd5\u901a\u8fc7\u6784\u5efa\u4e00\u4e2a\u9ad8\u6548\u7684\u6a21\u5f0f\u5339\u914d\u7f51\u7edc\uff08Rete\u7f51\u7edc\uff09\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u89c4\u5219\u5339\u914d\u7684\u6548\u7387\u3002<\/p>\n\n\n\n

      \u6838\u5fc3\u7ed3\u6784<\/h5>\n\n\n\n

      Rete\u7f51\u7edc\uff1a<\/p>\n\n\n\n

        \n
      1. Alpha\u7f51\u7edc\uff1a\u5bf9\u5355\u4e00\u4e8b\u5b9e\u8fdb\u884c\u8fc7\u6ee4\uff0c\u6bcf\u4e2aAlpha\u8282\u70b9\u5bf9\u5e94\u89c4\u5219\u4e2d\u7684\u4e00\u4e2a\u6761\u4ef6\uff0c\u5f53\u4e00\u4e2a\u4e8b\u5b9e\u952e\u5165\u7f51\u7edc\u65f6\uff0c\u6cbf\u7740Alpha\u7f51\u7edc\u4f20\u64ad\uff0c\u901a\u8fc7\u4e00\u7cfb\u5217\u6761\u4ef6\u8fc7\u6ee4\u4e4b\u540e\uff0c\u4f1a\u8fdb\u5165Alpha\u5b58\u50a8\u5668\uff0c\u7528\u4e8e\u5b58\u50a8\u8fc7\u6ee4\u7684\u4e8b\u5b9e\u3002<\/li>\n\n\n\n
      2. Beta\u7f51\u7edc\uff1aBeta\u7f51\u7edc\u7528\u4e8e\u5339\u914d\u591a\u4e2a\u4e8b\u5b9e\uff0c\u5904\u7406\u89c4\u5219\u4e2d\u6d89\u53ca\u591a\u4e2a\u6761\u4ef6\u7684\u903b\u8f91\u5173\u7cfb\uff0cBeta\u7f51\u7edc\u7531Beta\u8282\u70b9\u7ec4\u6210\uff0c\u7528\u4e8e\u5339\u914d\u591a\u4e2a\u4e8b\u5b9e\u4e4b\u95f4\u7684\u5173\u7cfb\uff0cBeta\u7f51\u7edc\u7684\u672b\u7aef\u662fBeta\u5b58\u50a8\u5668\uff0c\u7528\u4e8e\u5b58\u50a8\u90e8\u5206\u5339\u914d\u7684\u7ed3\u679c\u3002<\/li>\n<\/ol>\n\n\n\n
        \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
        \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
        \"image\"\/<\/div><\/a><\/figure>\n\n\n\n

        \u4e24\u4e2a\u7ebf\u7a0b\u5faa\u73af\u6253\u53701-100\uff0c\u52a0\u9501\u6709\u5fc5\u8981\u5417\uff0c\u6b7b\u9501\u600e\u4e48\u529e<\/h3>\n\n\n\n

        \u4e92\u65a5\u6027\u662f\u8981\u4fdd\u8bc1\u7684\uff0c\u4f46\u662f\u4e0d\u4e00\u5b9a\u8981\u52a0\u9501\uff0c\u5bf9\u4e8e\u516c\u5171\u53d8\u91cf\u7684\u64cd\u4f5c\uff0c\u5982\u679c\u4e0d\u52a0\u9501\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u76f8\u5e94\u7684\u6267\u884c\u987a\u5e8f\uff0c\u4e0d\u5355\u5355\u53ef\u4ee5\u4f7f\u7528sychorized\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e92\u65a5\u91cf\uff0c\u6216\u8005\u662f\u539f\u5b50\u7c7b\u3002<\/p>\n\n\n\n

        \u52a0\u9501\u5b9e\u73b0<\/h4>\n\n\n\n

        “<\/p>\n\n\n\n

        public class OneToHundred {\n    private static Object lock = new Object();\n    private static int count = 0;\n    private static final int limit = 100;\n\n    public static void main(String[] args) {\n\n        new Thread(() -> {\n            while (true) {\n                synchronized (lock) {\n                    if (count <= limit) {\n                        if (count % 2 == 1) {\n                            System.out.println(count);\n                            count++;\n                            lock.notifyAll();\n                        } else {\n                            try {\n                                lock.wait();\n                            } catch (InterruptedException e) {\n                                e.printStackTrace();\n                            }\n                        }\n                    }\n                }\n            }\n        }).start();\n\n        new Thread(() -> {\n            while (true) {\n                synchronized (lock) {\n                    if (count <= limit) {\n                        if (count % 2 == 0) {\n                            System.out.println(count);\n                            count++;\n                            lock.notifyAll();\n                        } else {\n                            try {\n                                lock.wait();\n                            } catch (InterruptedException e) {\n                                e.printStackTrace();\n                            }\n                        }\n                    }\n                }\n            }\n        }).start();\n    }\n}\n<\/code><\/pre>\n\n\n\n
        \u4fe1\u53f7\u91cf\u5b9e\u73b0<\/h4>\n\n\n\n
        “<\/p>\n\n\n\n
        public class PrintNumbersSemphore {\n    private static int count = 1;\n    private static int max = 100;\n    private static Semaphore oddSemaphore = new Semaphore(1);\n    private static Semaphore evenSemaphore = new Semaphore(0);\n\n    public static void main(String[] args) {\n        Thread oddThread = new Thread(() -> {\n            while (count < max) {\n                try {\n                    oddSemaphore.acquire();\n                    System.out.println(\"Odd: \" + count);\n                    count++;\n                    evenSemaphore.release();\n                } catch (InterruptedException e) {\n                    e.printStackTrace();\n                }\n            }\n        });\n        Thread evenThread = new Thread(() -> {\n            while (count < max) {\n                try {\n                    evenSemaphore.acquire();\n                    System.out.println(\"Even: \" + count);\n                    count++;\n                    oddSemaphore.release();\n                } catch (InterruptedException e) {\n                    e.printStackTrace();\n                }\n            }\n        });\n        evenThread.start();\n        oddThread.start();\n\n    }\n}\n<\/code><\/pre>\n\n\n\n
        \u57fa\u4e8e\u539f\u5b50\u7c7b\u5b9e\u73b0<\/h4>\n\n\n\n
        public class AutomicPrintNumbers {\n    private static AtomicInteger counter=new AtomicInteger(1);\n    private static AtomicInteger turn=new AtomicInteger(0);\n    public static void main(String[] args) {\n        Thread a=new Thread(new PrintNumbers(0));\n        Thread b=new Thread(new PrintNumbers(1));\n        a.start();\n        b.start();\n    }\n    static class PrintNumbers implements Runnable{\n        private int threadId;\n        public PrintNumbers(int threadId) {\n            this.threadId = threadId;\n        }\n        @Override\n        public void run() {\n            while (counter.get()<=100){\n                while (turn.get()==threadId){\n                    \/\/ \u53cc\u91cd\u68c0\u67e5\u9632\u6b62\u88ab\u5524\u9192\u540e\u5df2\u8d85\u8fc7100\n                    if (counter.get() > 100) {\n                        break;\n                    }\n\n                    System.out.println(Thread.currentThread().getName() + \": \" + counter.getAndIncrement());\n\n                    \/\/ \u5207\u6362\u6267\u884c\u6743\n                    turn.set(1 - threadId);\n\n                    \/\/ \u4e3b\u52a8\u8ba9\u51faCPU\u9632\u6b62\u5fd9\u7b49\u5f85\n                    Thread.yield();\n                }\n            }\n        }\n\n    }\n}\n<\/code><\/pre>\n\n\n\n
        \u8986\u76d6\u7d22\u5f15\uff08\u8fd9\u4e2a\u6ca1\u5565\u95ee\u9898\uff09<\/h3>\n\n\n\n
        MVC\u7684\u8bf7\u6c42\u6d41\u7a0b<\/h3>\n\n\n\n
        \u7528\u6237\u8bf7\u6c42->\u524d\u7aef\u89e3\u6790\u5668\uff08DisparthServlet\uff09->HandlerMapping\uff08\u5904\u7406\u5668\u6620\u5c04\uff09,\u8fd4\u56de\u7ed9DisparthServlet\u5904\u7406\u5668\u94fe->Ds\u7136\u540e\u8bf7\u6c42\u5904\u7406\u5668\u9002\u914d\u5668->\u9002\u914d\u5668\u8bf7\u6c42\u81ea\u5df1\u7684controller,\u8fd4\u56demodelAndView->DS\u5c06mV\u8fd4\u56de\u7ed9\u89c6\u56fe\u89e3\u6790\u5668->\u89c6\u56fe\u89e3\u6790\u5668\u8fd4\u56deView\u7ed9DS->\u6e32\u67d3\u89c6\u56fe\uff0c\u8fd4\u56de\u54cd\u5e94<\/p>\n\n\n\n
        \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
        \u5bf9\u4e8e\u6821\u9a8c\u63a5\u53e3\u7684\u4f18\u5316\uff0c\u9664\u4e86\u5e76\u884c\u5316\u4e4b\u5916\uff0c\u8fd8\u6709\u6ca1\u6709\u4f18\u5316\u65b9\u6848\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u4e2a\u63a5\u53e3\u4f1a\u8fd9\u4e48\u6162<\/h3>\n\n\n\n
          \n
        1. \u4e3a\u4ec0\u4e48\u8fd9\u4e48\u6162\u6027\u80fd\u74f6\u9888\u5728\u8fd9\u4e2aresourceSelect\u7684checkData<\/strong>\u7684\u65b9\u6cd5\u4e2d\u6821\u9a8c\u73af\u8282\uff1a\u8d44\u6e90\u552f\u4e00\u6027\u6821\u9a8c\uff0c\u6d41\u7a0b\u552f\u4e00\u6027\u6821\u9a8c\uff0c\u7279\u6b8a\u6821\u9a8c\uff0c\u8fd9\u4e9b\u6821\u9a8c\u90fd\u8981\u67e5\u5168\u8868\uff0c\u4e0d\u4ec5\u9700\u8981\u5927\u91cf\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5e76\u4e14\u6709\u5927\u91cf\u7684I\/O\u64cd\u4f5c\uff0c\u6d89\u53ca\u5230\u4e00\u4e9b\u8868\u7684\u7d22\u5f15\u7684\u95ee\u9898\uff0c\u8fd8\u6709\u4e00\u4e9b\u6570\u636e\u7684\u5e8f\u5217\u5316\u64cd\u4f5c\uff0c\u6570\u636e\u7684\u83b7\u53d6\uff0c\u5904\u7406\uff0c\u6821\u9a8c\u90fd\u662f\u6bd4\u8f83\u8017\u65f6\u7684\u5de5\u4f5c<\/li>\n\n\n\n
        2. \u9664\u4e86\u5e76\u884c\u5316\uff0c\u8fd8\u53ef\u4ee5\u600e\u4e48\u4f18\u5316\u5bf9\u76f8\u5e94\u7684\u8868\u4f18\u5316\u7d22\u5f15\uff0c\u5bf9\u4e00\u4e9b\u7ecf\u5e38\u4f7f\u7528\u7684\uff0c\u53d8\u66f4\u4e0d\u9891\u7e41\u7684\u6570\u636e\u53ef\u4ee5\u4f7f\u7528ES\u8fdb\u884c\u7f13\u5b58\uff0c\u6bcf\u6b21\u67e5\u8be2\u7684\u8bdd\u5148\u67e5\u8be2ES\uff0c\u76f4\u63a5\u7528ES\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u6821\u9a8c Drools\u4f1a\u8bdd\u7684\u4f18\u5316\uff0c\u4f7f\u7528\u4f1a\u8bdd\u6c60 \u6216\u8005\u4e00\u4e9b\u6570\u636e\u7684\u5206\u6279\u5165\u5e93\u00a0<\/li>\n<\/ol>\n\n\n\n
          \u77e5\u8863\u79d1\u6280<\/h2>\n\n\n\n
          Drools<\/h3>\n\n\n\n
          \u5206\u5e03\u5f0f\u4e8b\u52a1<\/h3>\n\n\n\n
          \u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u65b9\u6848<\/h4>\n\n\n\n
          2PC<\/h5>\n\n\n\n
          \u5f15\u5165\u4e00\u4e2a\u4e8b\u52a1\u534f\u8c03\u8005\u6765\u7ba1\u7406\u6574\u4e2a\u4e8b\u52a1\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u4f46\u662f\u4f1a\u5b58\u5728\u5355\u70b9\u6545\u969c\uff08\u534f\u8c03\u8005\u662f\u5355\u70b9\u7684\uff09\uff0c\u6570\u636e\u4e0d\u4e00\u81f4\uff08\u5404\u4e2a\u670d\u52a1\u4e4b\u95f4\u901a\u8fc7\u7f51\u7edc\u4ea4\u4e92\uff0c\u7f51\u7edc\u4f1a\u51fa\u73b0\u95ee\u9898\uff09\uff0c\u540c\u6b65\u963b\u585e\uff08\u5728\u6267\u884c\u4e8b\u52a1\u7684\u65f6\u5019\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e94\u7528\u5bf9\u76f8\u5e94\u8d44\u6e90\u7684\u64cd\u4f5c\uff09<\/p>\n\n\n\n
          \u6570\u636e\u5e93\u6839\u636e2pc\u534f\u8bae\u8fdb\u884c\u4e86\u76f8\u5e94\u6539\u9020\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u4e8b\u52a1\u4fee\u6539\u7684\u8bb0\u5f55\uff0c\u901a\u8fc7\u8bb0\u5f55\u65e5\u5fd7\u7684\u64cd\u4f5c\u4fdd\u8bc1\u6545\u969c\u6062\u590d\u89e3\u51b3\u5355\u70b9\u6545\u969c\u95ee\u9898\uff0c\u901a\u8fc7\u5355\u72ec\u79fb\u9664\u81ea\u8eab\u4e1a\u52a1\u8bb0\u5f55\u9501\u5b9e\u73b0\u63d0\u4ea4\u7684\u539f\u5b50\u6027\uff0c\u89e3\u51b3\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\uff0c\u5bf9\u4e8e\u5176\u4ed6\u76f8\u5e94\u88ab\u5f71\u54cd\u7684\u8bb0\u5f55\uff0c\u5728\u8bbf\u95ee\u65f6\u4f1a\u88ab\u8def\u7531\u5230\u521d\u59cb\u6570\u636e\u66f4\u6539\u5904\uff0c\u5982\u679c\u8fd9\u4e2a\u521d\u59cb\u6570\u636e\u5df2\u7ecf\u88ab\u63d0\u4ea4\uff0c\u5219\u786e\u5b9a\u53ef\u4ee5\u8bbf\u95ee\u3002<\/p>\n\n\n\n
          3PC<\/h5>\n\n\n\n
          \u6bd42PC\u591a\u4e86\u4e00\u4e2a\u9884\u51c6\u5907\u9636\u6bb5\uff0c\u8fd9\u4e2a\u9636\u6bb5\u4f1a\u68c0\u67e5\u6709\u6ca1\u6709\u54ea\u4e9b\u8282\u70b9\u6709\u6545\u969c\uff0c\u5728\u4e09\u9636\u6bb5\u8fdb\u884c\u63d0\u4ea4\u6216\u56de\u6eda\u65f6\u53ef\u4ee5\u4e0d\u4f9d\u8d56\u4e8b\u52a1\u7ba1\u7406\u8005<\/p>\n\n\n\n
          TCC<\/h5>\n\n\n\n
          TCC\u5219\u662f\u5728\u4e1a\u52a1\u5c42\u9762\u8fdb\u884c\u4e8b\u52a1\u7684\u6784\u9020\uff0c\u4e00\u822c\u6709\u8fd9\u4e2aTry\uff0cConfirm\uff0cCancel\u9636\u6bb5\uff0ctry\u7684\u8bdd\u5c31\u662f\u68c0\u67e5\u4e8b\u52a1\u9700\u8981\u7684\u8d44\u6e90\uff0c\u5728Confirm\u9636\u6bb5\u6267\u884c\u771f\u6b63\u7684\u64cd\u4f5c<\/p>\n\n\n\n
          \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
          XA\u89c4\u8303<\/h5>\n\n\n\n
          \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
          \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
          \u672c\u5730\u6d88\u606f\u8868<\/h5>\n\n\n\n
          \u4e8b\u52a1\u6d88\u606f<\/h5>\n\n\n\n
          spring\u4e8b\u52a1\u4f20\u64ad\u673a\u5236\uff0c\u4ec0\u4e48\u60c5\u51b5\u4e0b\u4f7f\u7528requires_new<\/h3>\n\n\n\n
          required<\/h4>\n\n\n\n
          \u6709\u4e8b\u52a1\u5219\u52a0\u5165\u5f53\u524d\u4e8b\u52a1\uff0c\u6ca1\u6709\u4e8b\u52a1\u5219\u521b\u5efa\u4e00\u4e2a\u4e8b\u52a1 \u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u4e8b\u52a1\u64cd\u4f5c\u7684\u7684\u573a\u666f\uff0c\u6bd4\u5982\u8ba2\u5355\u65f6\u8c03\u7528\u5e93\u5b58\u51cf\u5c11\u7684\u65b9\u6cd5<\/p>\n\n\n\n
          requires_new<\/h4>\n\n\n\n
          \u65b0\u5efa\u4e00\u4e2a\u65b0\u4e8b\u52a1\uff0c\u5982\u679c\u5b58\u5728\u5f53\u524d\u4e8b\u52a1\u5219\u6302\u8d77<\/p>\n\n\n\n
          \u9002\u7528\u4e8e\u65e5\u5fd7\u8bb0\u5f55\uff0c\u901a\u77e5\u670d\u52a1\uff0c\u5373\u4f7f\u4e3b\u4e8b\u52a1\u5931\u8d25\uff0c\u4e5f\u4e0d\u5f71\u54cd\u72ec\u7acb\u7684\u4e8b\u52a1\u64cd\u4f5c<\/p>\n\n\n\n
          supports<\/h4>\n\n\n\n
          \u652f\u6301\u5f53\u524d\u4e8b\u52a1\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c<\/p>\n\n\n\n
          \u9002\u7528\u573a\u666f\u67d0\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u5728\u4e8b\u52a1\u7684\u5185\u90e8\u6216\u5916\u90e8\u6267\u884c<\/p>\n\n\n\n
          not_supported<\/h4>\n\n\n\n
          \u4e0d\u652f\u6301\u5f53\u524d\u4e8b\u52a1\uff0c\u59cb\u7ec8\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c<\/p>\n\n\n\n
          \u9002\u7528\u4e8e\u8bfb\u53d6\u914d\u7f6e\u4fe1\u606f\uff0c\u4e0d\u9700\u8981\u4e8b\u52a1\u63a7\u5236\u7684\u6570\u636e\u83b7\u53d6\u64cd\u4f5c<\/p>\n\n\n\n
          never<\/h4>\n\n\n\n
          \u4e0d\u652f\u6301\u5f53\u524d\u4e8b\u52a1\uff0c\u5982\u679c\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u629b\u51fa\u5f02\u5e38<\/p>\n\n\n\n
          \u9002\u7528\u4e8e\u9700\u8981\u4fdd\u8bc1\u7edd\u5bf9\u6ca1\u6709\u4e8b\u52a1\u7684\u573a\u666f<\/p>\n\n\n\n
          mandatory<\/h4>\n\n\n\n
          \u652f\u6301\u5f53\u524d\u4e8b\u52a1\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u629b\u51fa\u5f02\u5e38<\/p>\n\n\n\n
          \u9002\u7528\u4e8e\u5fc5\u987b\u5728\u73b0\u6709\u4e8b\u52a1\u4e2d\u6267\u884c\u7684\u573a\u666f<\/p>\n\n\n\n
          nested<\/h4>\n\n\n\n
          \u6709\u4e8b\u52a1\u5219\u5d4c\u5957\u6267\u884c\uff0c\u5185\u5c42\u4e8b\u52a1\u4e0d\u5f71\u54cd\u5916\u5c42\uff0c\u5916\u5c42\u5931\u8d25\u5185\u90e8\u4e5f\u4f1a\u56de\u6eda<\/p>\n\n\n\n
          \u9002\u7528\u4e8e\u9700\u8981\u90e8\u5206\u56de\u6eda\u6216\u8005\u5c40\u90e8\u4e8b\u52a1\u7684\u573a\u666f<\/p>\n\n\n\n
          JAVA\u9501\uff08AQS\uff09<\/h3>\n\n\n\n
          \u5355\u4f8b\u6a21\u5f0f\uff08Sychorinzed\uff09\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0bsychorinzed\u5fc5\u987b\u4f7f\u7528<\/h3>\n\n\n\n
          “<\/p>\n\n\n\n
          package org.example;\n\npublic class Singleton {\n    \/\/\u997f\u6c49\u6a21\u5f0f\n    private static Singleton instance = new Singleton();\n\n    class Singleton1 {\n        \/\/\u61d2\u6c49\n        private static Singleton instance;\n\n        public static Singleton getInstance() {\n            if (instance == null) {\n                instance = new Singleton();\n            }\n            return instance;\n        }\n    }\n\n    class Singleton2 {\n        \/\/\u53cc\u91cd\u6821\u9a8c\u9501\n        private static volatile Singleton instance;\n\n        public static Singleton getInstance() {\n            synchronized (Singleton.class) {\n                if (instance == null) {\n                    instance = new Singleton();\n                }\n            }\n            return instance;\n        }\n    }\n\n    class Singleton3 {\n        \/\/\u9759\u6001\u5185\u90e8\u7c7b\n        private static class SingletonHolder {\n            private static final Singleton instance = new Singleton();\n        }\n\n        public static Singleton getInstance() {\n            return SingletonHolder.instance;\n        }\n    }\n\n    class Singleton4 {\n        \/\/\u679a\u4e3e\n        public enum Singleton45 {\n            INSTANCE;\n\n            public void doSomething() {\n                \/\/do something\n            }\n        }\n    }\n\n}\n<\/code><\/pre>\n\n\n\n
          \u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528CompletableFuture<\/h3>\n\n\n\n
            \n
          1. \u7075\u6d3b\u7684\u7ec4\u5408\u7f16\u6392<\/li>\n\n\n\n
          2. \u7cbe\u7ec6\u7684\u5f02\u5e38\u5904\u7406<\/li>\n\n\n\n
          3. \u975e\u963b\u585e\u5f02\u6b65\u6267\u884c<\/li>\n<\/ol>\n\n\n\n
            ZSet\u8df3\u8868<\/h3>\n\n\n\n
            ZSet\u662fRedis\u4e2d\u7684\u4e00\u4e2a\u7279\u6b8a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4ed6\u7684\u6838\u5fc3\u5176\u5b9e\u662f\u4e00\u4e2a\u591a\u5c42\u94fe\u8868<\/strong><\/p>\n\n\n\n
            \u67e5\u627e\uff1a\u4f1a\u4ece\u9ad8\u5c42\u67e5\u5230\u5e95\u5c42\uff0c\u57fa\u4e8ezset\u7279\u6b8a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u6bd4\u666e\u901a\u94fe\u8868\u53ef\u4ee5\u5c11\u904d\u5386\u51e0\u4e2a\u5143\u7d20<\/p>\n\n\n\n
            \u5220\u9664\uff1a\u56e0\u4e3a\u8fd9\u4e2a\u524d\u9a71\u6307\u9488\u7684\u8bbe\u8ba1\uff0c\u5220\u9664\u4e5f\u6bd4\u8f83\u65b9\u4fbf<\/p>\n\n\n\n
            \u65b0\u589e\uff1a\u57fa\u4e8e\u6982\u7387\u7b97\u6cd5\uff0c\u8ba1\u7b97\u8fd9\u4e2a\u65b0\u8282\u70b9\u5728\u54ea\u4e00\u5c42<\/p>\n\n\n\n
            \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
            \"image\"\/<\/div><\/a><\/figure>\n\n\n\n
            \u5982\u4f55\u5224\u65ad\u4e00\u4e2a\u5927\u6a21\u578b\u7684\u80fd\u529b<\/h3>\n\n\n\n
            \u6838\u5fc3\u80fd\u529b\uff1a\u4efb\u52a1\u76ee\u6807\u7684\u8fbe\u6210\u5ea6<\/h4>\n\n\n\n
            \u9884\u6d4b\u6a21\u578b\uff1a\u4e00\u4e9b\u9884\u6d4b\u7684\u8bef\u5dee<\/p>\n\n\n\n
            \u5206\u7c7b\u4efb\u52a1\uff1a\u51c6\u786e\u7387\uff0c\u53ec\u56de\u7387\uff0c\u7cbe\u786e\u7387\uff0cF1\u5206\u6570<\/p>\n\n\n\n
            \u751f\u6210\u4efb\u52a1\uff1a\u4eba\u5de5\u8bc4\u4f30<\/p>\n\n\n\n
            \u6cdb\u5316\u80fd\u529b\uff1a\u5bf9\u672a\u77e5\u6570\u636e\u7684\u9002\u5e94\u6027<\/h4>\n\n\n\n
            \u6a21\u578b\u5728\u8bad\u7ec3\u96c6\u4e4b\u5916\u7684\u771f\u5b9e\u6570\u636e\u4e0a\u7684\u8868\u73b0\uff0c\u6cdb\u5316\u80fd\u529b\u4e0d\u8db3\u7684\u6a21\u578b\u53ef\u80fd\u8fc7\u62df\u5408\u6216\u6b20\u62df\u5408<\/p>\n\n\n\n
            \u9a8c\u8bc1\u65b9\u6cd5\uff1a\u5212\u5206\u6570\u636e\u96c6\uff0c\u4ea4\u53c9\u9a8c\u8bc1<\/p>\n\n\n\n
            \u9c81\u68d2\u6027\uff1a\u5bf9\u5e72\u6270\u7684\u7a33\u5b9a\u6027<\/h4>\n\n\n\n
            \u5728\u975e\u7406\u60f3\u8f93\u5165\u60c5\u51b5\u6216\u73af\u5883\u53d8\u5316\u4e0b\u7684\u53ef\u9760\u6027<\/p>\n\n\n\n
            \u566a\u58f0\u9c81\u68d2\u6027\uff0c\u6570\u636e\u504f\u79fb<\/p>\n\n\n\n
            \u5c31\u4e3b\u8981\u901a\u8fc7\u6270\u52a8\u6570\u636e\u6765\u68c0\u9a8c\u6a21\u578b\u7684\u9c81\u68d2\u6027\u5427\uff0c\u5bf9\u6297\u8bad\u7ec3<\/p>\n\n\n\n
            \u53ef\u89e3\u91ca\u6027\uff1a\u51b3\u7b56\u903b\u8f91\u7684\u53ef\u7406\u89e3\u6027<\/h4>\n\n\n\n
            \u5168\u5c40\u53ef\u89e3\u91ca\u6027\uff0c\u5c40\u90e8\u53ef\u89e3\u91ca\u6027\uff0c\u6216\u8005\u501f\u52a9\u53ef\u89c6\u5316\u5de5\u5177<\/p>\n\n\n\n
            \u6548\u7387\uff1a\u8d44\u6e90\u4e0e\u65f6\u95f4\u7684\u635f\u8017<\/h4>\n\n\n\n
            \u8bad\u7ec3\u6548\u7387\uff0c\u63a8\u7406\u6548\u7387<\/p>\n\n\n\n
            \u9002\u5e94\u6027\uff1a\u5bf9\u65b0\u4efb\u52a1\u7684\u5feb\u901f\u9002\u914d<\/h4>\n\n\n\n
            \u8fc1\u79fb\u5b66\u4e60\u80fd\u529b\/\u96f6\u6837\u672c\u5b66\u4e60\u80fd\u529b<\/p>\n\n\n\n
            \u53ef\u9760\u6027\uff1a\u7a33\u5b9a\u8fd0\u884c\u7684\u80fd\u529b<\/h4>\n\n\n\n
            \u6a21\u578b\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d\u9700\u8981\u5177\u5907\u7684\u6301\u7eed\u7a33\u5b9a\u8f93\u51fa<\/p>\n\n\n\n
            \u62db\u94f6\u7f51\u7edc\u79d1\u6280<\/h2>\n\n\n\n
            \u4e3a\u4ec0\u4e48\u4f7f\u7528B+\u6811\u800c\u4e0d\u4f7f\u7528hash\u6216\u8005B\u6811<\/h3>\n\n\n\n
            B+\u6811\u7684\u4f18\u70b9<\/h4>\n\n\n\n
              \n
            1. \u652f\u6301\u8303\u56f4\u67e5\u8be2\uff0c\u56e0\u4e3a\u53f6\u5b50\u8282\u70b9\u53cc\u5411\u94fe\u8868\u7684\u5de7\u5999\u8bbe\u8ba1\u3002<\/li>\n\n\n\n
            2. \u652f\u6301\u6392\u5e8f\u64cd\u4f5c\uff0cB+\u6811\u53f6\u5b50\u8282\u70b9\u6309\u7167\u5173\u952e\u5b57\u987a\u5e8f\u5b58\u50a8\uff0c\u53ef\u4ee5\u5feb\u901f\u652f\u6301\u6392\u5e8f\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6392\u5e8f\u6548\u7387\u3002<\/li>\n\n\n\n
            3. \u5b58\u50a8\u66f4\u591a\u7684\u7d22\u5f15\u6570\u636e\u3002<\/li>\n\n\n\n
            4. \u8282\u70b9\u5206\u88c2\u548c\u5408\u5e76\u65f6\uff0cIO\u64cd\u4f5c\u5c11\uff0c\u53f6\u5b50\u8282\u70b9\u5927\u5c0f\u56fa\u5b9a\u4e3a\u4e00\u9875<\/li>\n\n\n\n
            5. \u6709\u5229\u4e8e\u78c1\u76d8\u9884\u8bfb\uff0c\u7ed3\u5408cpu\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u51cf\u5c11IO\u64cd\u4f5c\u6b21\u6570<\/li>\n\n\n\n
            6. \u6709\u5229\u4e8e\u7f13\u5b58\uff0c\u8fd8\u662f\u57fa\u4e8e\u8fd9\u4e2a\u975e\u53f6\u5b50\u8282\u70b9\u53ea\u5b58\u50a8\u7d22\u5f15\u7684\u8fd9\u4e2a\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728\u7f13\u5b58\u4e2d\u5b58\u50a8\u66f4\u591a\u7684\u7d22\u5f15\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n
              \u4e3a\u4ec0\u4e48\u4e0d\u4f7f\u7528\u7ea2\u9ed1\u6811\u6216\u8005B\u6811<\/h4>\n\n\n\n
              \u8303\u56f4\u67e5\u8be2\uff0c\u78c1\u76d8\u9884\u8bfb\uff0c\u4f18\u5316\u6392\u5e8f\u8fd9\u4e9b\u7ea2\u9ed1\u6811\u548cB\u6811\u7edf\u7edf\u505a\u4e0d\u5230<\/p>\n\n\n\n
              B+\u6811\u548cHash\u7d22\u5f15\u7684\u533a\u522b<\/h4>\n\n\n\n
              hash\u4e0d\u9002\u5408\u8303\u56f4\u67e5\u8be2\u548c\u6392\u5e8f\u64cd\u4f5c\uff0c\u7ef4\u62a4\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u50a8\u65e0\u5e8f\uff0c\u67e5\u8be2\u6548\u7387\u4f1a\u964d\u4f4e\u3002<\/p>\n\n\n\n
              \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u7684\u533a\u522b<\/h3>\n\n\n\n
              \u65b9\u6cd5\u5b9a\u4e49\uff1a\u63a5\u53e3\u4e0d\u80fd\u76f4\u63a5\u5b9e\u73b0\u903b\u8f91\uff0c\u62bd\u8c61\u7c7b\u662f\u53ef\u4ee5\u5b9e\u73b0\u903b\u8f91\u7684\uff0c\u62bd\u8c61\u7c7b\u66f4\u50cf\u6a21\u677f\u65b9\u6cd5<\/p>\n\n\n\n
              \u4fee\u9970\u7b26\uff1a\u63a5\u53e3\u9ed8\u8ba4public<\/p>\n\n\n\n
              \u6784\u9020\u5668\uff1a\u62bd\u8c61\u7c7b\u53ef\u4ee5\u6709\u6784\u9020\u5668\uff0c\u63a5\u53e3\u4e0d\u80fd\u6709\u6784\u9020\u5668<\/p>\n\n\n\n
              \u5355\u7ee7\u627f\u591a\u5b9e\u73b0\uff1a\u4e00\u4e2a\u7c7b\u53ea\u80fd\u88ab\u96c6\u6210\u4e00\u6b21\uff0c\u800c\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3<\/p>\n\n\n\n
              orrivde\u6ce8\u89e3\u91cd\u5199\u5931\u6548<\/h3>\n\n\n\n
                \n
              1. \u8bbf\u95ee\u6743\u9650\u4e0d\u5339\u914d\uff1a\u5b50\u7c7b\u7684\u8bbf\u95ee\u6743\u9650\u5927\u4e8e\u4e86\u7236\u7c7b\u6743\u9650<\/li>\n\n\n\n
              2. \u65b9\u6cd5\u7b7e\u540d\u4e0d\u4e00\u81f4\uff1a\u53c2\u6570\u5217\u8868\u4e0d\u540c<\/li>\n\n\n\n
              3. \u8fd4\u56de\u7c7b\u578b\u4e0d\u5339\u914d\uff1a\u8fd4\u56de\u7c7b\u578b\u4e0d\u540c\u4e5f\u4f1a\u5931\u6548<\/li>\n\n\n\n
              4. \u91cd\u5199\u65b9\u6cd5\u629b\u51fa\u65b0\u7684\u5f02\u5e38\uff1a\u5b50\u7c7b\u629b\u51fa\u4e86\u66f4\u5927\u8303\u56f4\u7684\u53d7\u68c0\u5f02\u5e38<\/li>\n\n\n\n
              5. \u91cd\u5199\u4e86\u6784\u9020\u65b9\u6cd5\uff1a\u5b50\u7c7b\u662f\u57fa\u4e8e\u7236\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\u6784\u9020\u7684\uff0c\u6240\u4ee5\u91cd\u5199\u6784\u9020\u65b9\u6cd5\u4f1a\u5931\u6548<\/li>\n<\/ol>\n\n\n\n
                RR\u89c6\u56fe\u548cRC\u89c6\u56fe\u751f\u6210\u7684\u533a\u522b<\/h3>\n\n\n\n
                \u90fd\u662f\u5feb\u7167\u8bfb\uff0c\u53ea\u662fRR\u5bf9\u4e8e\u6bcf\u4e2a\u4e8b\u52a1\u521b\u5efa\u65f6\u53ea\u751f\u6210\u4e00\u6b21\u89c6\u56fe\uff0c\u800cRC\u662f\u5bf9\u4e8e\u6bcf\u4e2a\u8bfb\u64cd\u4f5c\u90fd\u751f\u6210\u4e00\u6b21\u89c6\u56fe<\/p>\n\n\n\n
                \u7ebf\u7a0b\u6c60\u53c2\u6570\u8bbe\u7f6e\uff08\u6839\u636e\u4e9a\u4fe1\u79d1\u6280\u7684\u573a\u666f\uff09<\/h3>\n\n\n\n
                300QPS<\/p>\n\n\n\n
                  \n
                1. \u6838\u5fc3\u7ebf\u7a0b\u6570\uff1a\u57fa\u4e8eIO\u5bc6\u96c6\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u8bbe\u7f6e\u57288\uff08cpu\u6838\u5fc3\u6570*\uff081+\u5e73\u5747IO\u7b49\u5f85\u65f6\u95f4\/CPU\u8ba1\u7b97\u65f6\u95f4\uff09\uff09<\/li>\n\n\n\n
                2. \u6700\u5927\u7ebf\u7a0b\u6570\uff1a\u8003\u8651\u5230\u5185\u5b58\u6ea2\u51fa\u7684\u95ee\u9898\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\uff0c\u8bbe\u7f6e\u4e3a16\uff08corePoolSize*2~4\uff09\uff1b<\/li>\n\n\n\n
                3. \u4efb\u52a1\u961f\u5217\uff1a\u4f7f\u7528\u56fa\u5b9a\u5bb9\u91cf\u7684\u6709\u754c\u961f\u5217\uff0820\uff09 \u961f\u5217\u5bb9\u91cf\uff08\u6700\u5927QPS-corePoolSize*\u6bcf\u79d2\u5904\u7406\u80fd\u529b\uff09 *\u5e73\u5747\u5904\u7406\u65f6\u95f4<\/li>\n\n\n\n
                4. \u62d2\u7edd\u7b56\u7565\uff1a\u8fdb\u884c\u5f02\u5e38\u629b\u51fa\u6355\u83b7\uff0c\u8bb0\u5f55\u65e5\u5fd7\uff0c\u672c\u5730\u6d88\u606f\u8868\uff0c\u5b9a\u65f6\u4efb\u52a1\u8865\u507f<\/li>\n<\/ol>\n\n\n\n
                  \u8865\u507f\u673a\u5236<\/h3>\n\n\n\n
                  \u672c\u5730\u6d88\u606f\u8868\uff0c\u6d88\u606f\u961f\u5217<\/p>\n\n\n\n
                  \u7ea2\u9ed1\u6811\u5de6\u65cb\u53f3\u65cb<\/h3>\n\n\n\n
                  \u4e09\u6b21\u65cb\u8f6c\u5185\u89e3\u51b3<\/p>\n\n\n\n
                  \u5927\u534e<\/h2>\n\n\n\n
                  \u7f51\u7edc\u6293\u5305\u548cUnix<\/h3>\n\n\n\n
                  \u7f51\u7edc\u6293\u5305\u7684\u6838\u5fc3\u4ef7\u503c<\/h4>\n\n\n\n
                  \u8c03\u8bd5\u63a5\u53e3\uff0c\u5b9a\u4f4d\u63a5\u53e3\u5f02\u5e38\uff08\u5982\u53c2\u6570\u9519\u8bef\uff0c\u72b6\u6001\u7801\u975e200\uff09<\/p>\n\n\n\n
                  \u6392\u67e5\u7f51\u7edc\u95ee\u9898\uff1a\u5206\u6790\u5ef6\u8fdf\uff0c\u4e22\u5305\uff0c\u91cd\u4f20<\/p>\n\n\n\n
                  \u5b89\u5168\u68c0\u6d4b\uff1a\u53d1\u73b0\u6076\u610f\u6d41\u91cf\uff08DDos\u653b\u51fb\uff0cSQL\u6ce8\u5165\uff0cUDP\u5305\u4e22\u5931\uff09<\/p>\n\n\n\n
                  \u534f\u8bae\u5b66\u4e60\uff1a\u89c2\u5bdf\u771f\u5b9e\u7f51\u7edc\u4e2d\u534f\u8bae\u7684\u4ea4\u4e92\u8fc7\u7a0b\uff08DNS\u89e3\u6790\uff0cTLS\u63e1\u624b\uff09<\/p>\n\n\n\n
                  \u5177\u4f53\u573a\u666f<\/h4>\n\n\n\n
                  \u8c03\u8bd5API\u63a5\u53e3<\/h5>\n\n\n\n
                  \u9009\u62e9Charles \u914d\u7f6e\u6293\u5305\u73af\u5883\uff08\u8bc1\u4e66\uff09->\u542f\u52a8\u6293\u5305\u7ed1\u5b9aip\u8fc7\u6ee4\u89c4\u5219->\u5206\u6790\u8bf7\u6c42\u4e0e\u54cd\u5e94<\/p>\n\n\n\n
                  \u6392\u67e5\u8bf7\u6c42\u8d85\u65f6\uff08HTTP\u95ee\u9898\uff09<\/h5>\n\n\n\n
                  \u4f7f\u7528WireShark \u7ed1\u5b9aip\u548c\u7aef\u53e3->\u767b\u5f55\u7f51\u7ad9->\u5206\u6790\u5173\u952e\u4e8b\u4ef6(DNS\u89e3\u6790\u6162\uff0c\u6570\u636e\u4f20\u8f93\u5ef6\u8fdf\uff0c\u91cd\u4f20\u4e0e\u4e22\u5305)<\/p>\n\n\n\n
                  \u68c0\u67e5\u6076\u610f\u6d41\u91cf<\/h5>\n\n\n\n
                  WireShark\u6355\u83b7\u7fa4\u5165\u6808\u6d41\u91cf->\u5206\u6790\u653b\u51fb\u7279\u5f81\uff08ICMP\u6d41\uff0cSYN\u6d41\u591a\u4e2aSYN\u5374\u6ca1\u6709ACK\uff0cUDP\u6d41\u5927\u91cf\u65e0\u610f\u4e49UDP\u5305\uff09->\u5173\u8054\u653b\u51fb\u6e90\uff08\u901a\u8fc7WireShark\u7684Statistics->Endpoints\u7edf\u8ba1\u6e90IP\u6d41\u91cf\uff09\uff0c\u7ed3\u5408\u9632\u706b\u5899\u65e5\u5fd7\uff0c\u786e\u8ba4IP\u662f\u5426\u88ab\u5c01\u7981\u3002<\/p>\n\n\n\n
                  \u4f18\u5316\u79fb\u52a8\u7aefAPP\u7f51\u7edc\u6027\u80fd<\/h5>\n\n\n\n
                  Charles\u548cWireShark\u7ed3\u5408\u4f7f\u7528 Charles\u6a21\u62df\u5f31\u7f51\u73af\u5883\uff0c\u8fd0\u884cWireShark\u6293\u5305\u5206\u6790<\/p>\n\n\n\n
                  \u867e\u76ae<\/h2>\n\n\n\n
                  \u5341\u4ebf\u4e0d\u540c\u6570\u5b57\uff0c\u5206\u6210\u5341\u7ec4\uff0c\u6bcf\u7ec4\u4e00\u4ebf\u4e2a\uff0c\u6bcf\u6b21\u5206\u7ec4\u90fd\u4e0d\u540c<\/h3>\n\n\n\n
                  \u968f\u673a\u6392\u5217+\u52a8\u6001\u79cd\u5b50<\/h4>\n\n\n\n
                  \u4f7f\u7528\u4e00\u4e2a\u968f\u673a\u79cd\u5b50\u5bf9\u7d22\u5f15\u5217\u968f\u673a\u6392\u5e8f\uff0c\u7528\u91cd\u65b0\u6392\u5e8f\u540e\u7684\u7d22\u5f15\u5217\u91cd\u6392\u539f\u6570\u7ec4\uff0c\u7136\u540e\u5207\u5206<\/p>\n\n\n\n
                  Hash\u52a0\u76d0\u7b97\u6cd5<\/h4>\n\n\n\n
                  \u82e5\u5185\u5b58\u65e0\u6cd5\u5bb9\u7eb3\u5168\u91cf\u6570\u636e\u7684\u968f\u673a\u6392\u5217\uff0c\u53ef\u91c7\u7528\u54c8\u5e0c\u51fd\u6570\u5206\u914d\uff0c\u901a\u8fc7\u6539\u53d8\u54c8\u5e0c\u53c2\u6570\uff08\u5982\u201c\u52a0\u76d0\u201d\uff09\u786e\u4fdd\u6bcf\u6b21\u5206\u7ec4\u4e0d\u540c\u3002<\/p>\n\n\n\n
                  \u6b65\u9aa4\uff1a<\/p>\n\n\n\n
                  a. \u4e3a\u672c\u6b21\u5206\u7ec4\u9009\u62e9\u4e00\u4e2a\u65b0\u7684\u54c8\u5e0c\u51fd\u6570 H k (x)\uff08\u5982 H k (x)=SHA-256(x\u2225k)\uff0c\u5176\u4e2d k\u4e3a\u672c\u6b21\u5206\u7ec4\u7684\u552f\u4e00\u5bc6\u94a5\uff09\u3002<\/p>\n\n\n\n
                  b. \u5bf9\u6bcf\u4e2a\u6570\u5b57 x\u2208S\uff0c\u8ba1\u7b97\u5176\u54c8\u5e0c\u503c h=H k (x)\uff0c\u5e76\u5c06 h\u8f6c\u6362\u4e3a0-9\u7684\u6574\u6570 g\uff08\u5982\u53d6\u54c8\u5e0c\u503c\u7684\u6700\u540e\u4e00\u4f4d\u5341\u8fdb\u5236\u6570\uff0c\u6216\u5bf910\u53d6\u6a21\uff09\u3002<\/p>\n\n\n\n
                  c. \u7531\u4e8e\u5341\u4ebf\u662f10\u7684\u500d\u6570\uff0c\u5747\u5300\u54c8\u5e0c\u51fd\u6570\u53ef\u4fdd\u8bc1\u6bcf\u4e2a\u7ec4 g\u2208{0,1,…,9}\u6070\u597d\u5305\u542b\u4e00\u4ebf\u4e2a\u6570\u5b57\u3002<\/p>\n\n\n\n
                  \u4e00\u4e2a\u8ba2\u5355\u8868\uff0c\u6709user_id,order_time,price,\u5199\u4e00\u4e2asql\u67e5\u8be2\uff0c\u8fd9\u4e2a\u65e5\u671f\u4e4b\u524d\u4ef7\u683c\u7684\u6c47\u603b<\/h3>\n\n\n\n
                  -- \u6309\u65e5\u671f\u5c55\u793a\u7d2f\u8ba1\u4ef7\u683c\u603b\u548c\uff08\u542b\u5f53\u65e5\uff09 SELECT DATE(order_time) AS time, -- \u63d0\u53d6\u65e5\u671f\uff08\u683c\u5f0f\uff1aYYYY-MM-DD\uff09 SUM(price) OVER ( ORDER BY DATE(order_time) -- \u6309\u65e5\u671f\u6392\u5e8f ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW -- \u7d2f\u8ba1\u4ece\u9996\u884c\u5230\u5f53\u524d\u884c ) AS price_sum -- \u7d2f\u8ba1\u4ef7\u683c\u603b\u548c FROM orders GROUP BY DATE(order_time) -- \u6309\u65e5\u671f\u5206\u7ec4\uff08\u786e\u4fdd\u6bcf\u4e2a\u65e5\u671f\u4ec5\u4e00\u884c\uff09 ORDER BY time; -- \u6309\u65e5\u671f\u5347\u5e8f\u6392\u5217<\/code><\/p>\n\n\n\n
                  \u7f16\u8bd1\u597d\u7684\u4ee3\u7801\u662f\u600e\u4e48\u5728cpu\u6267\u884c\u7684<\/h3>\n\n\n\n
                  \u7f16\u8bd1\u9636\u6bb5<\/h4>\n\n\n\n
                  \u9884\u5904\u7406\uff08\u9884\u5904\u7406\u540e\u7684\u6e90\u4ee3\u7801\uff09->\u7f16\u8bd1\uff08\u7531\u9ad8\u7ea7\u8bed\u8a00\u5c06\u6e90\u4ee3\u7801\u7f16\u8bd1\u4e3a\u6c47\u7f16\u8bed\u8a00\uff09->\u6c47\u7f16(\u5c06\u6c47\u7f16\u8bed\u8a00\u8f6c\u6362\u4e3a\u673a\u5668\u7801)->\u94fe\u63a5\uff08\u5c06\u591a\u4e2a\u76ee\u6807\u6587\u4ef6\u548c\u4f9d\u8d56\u7684\u5e93\u6587\u4ef6\u5408\u5e76\uff0c\u4e3a\u6307\u4ee4\u548c\u6570\u636e\u5206\u914d\u8fd0\u884c\u5185\u5b58\u5730\u5740\uff0c\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6exe\u6216\u8005ELF\u6587\u4ef6\uff09<\/p>\n\n\n\n
                  \u52a0\u8f7d\u9636\u6bb5\uff08\u4ece\u78c1\u76d8\u5230\u5185\u5b58\uff09<\/h4>\n\n\n\n
                    \n
                  1. \u521b\u5efa\u8fdb\u7a0b:\u64cd\u4f5c\u7cfb\u7edf\u4e3a\u7a0b\u5e8f\u5206\u914d\u865a\u62df\u5730\u5740<\/strong>\u7a7a\u95f4\uff0c\u521b\u5efaPCB<\/li>\n\n\n\n
                  2. \u5185\u5b58\u6620\u5c04\uff1a\u4e3a\u521b\u5efa\u7684\u865a\u62df\u5185\u5b58\u6620\u5c04\u5b9e\u9645\u7684\u7269\u7406\u5185\u5b58<\/li>\n\n\n\n
                  3. \u5165\u53e3\u70b9\u8df3\u8f6c\uff1a\u5c06CPU\u7684\u7a0b\u5e8f\u8ba1\u6570\u5668\u8bbe\u7f6e\u4e3a\u53ef\u6267\u884c\u6587\u4ef6\u7684\u5165\u53e3<\/li>\n<\/ol>\n\n\n\n
                    \u6307\u4ee4\u5468\u671f<\/h4>\n\n\n\n
                    \u53d6\u503c\uff08\u901a\u8fc7\u7a0b\u5e8f\u8ba1\u6570\u5668\u8bb0\u5f55\u4e0b\u4e00\u6761\u8981\u6267\u884c\u7684\u6307\u4ee4\uff09->\u8bd1\u7801\uff08\u6839\u636e\u6307\u4ee4\u89e3\u6790\u51fa\u64cd\u4f5c\u7801\u548c\u64cd\u4f5c\u6570\uff0c\u751f\u6210\u4fe1\u53f7\uff09->\u6267\u884c\uff08\u901a\u8fc7\u7b97\u6570\u903b\u8f91\u5355\u5143\u548c\u5185\u5b58\u8bbf\u95ee\u5355\u5143\u4ee5\u53ca\u603b\u7ebf\u8fdb\u884c\u4ea4\u4e92\uff09->\u5199\u56de(\u5c06\u7ed3\u679c\u534f\u4f1a\u5bc4\u5b58\u5668\u6216\u8005\u5185\u5b58\u5f00\u542f\u4e0b\u4e00\u4e2a\u5468\u671f)<\/p>\n\n\n\n
                    CPU\u4f18\u5316\u6280\u672f<\/h4>\n\n\n\n
                      \n
                    1. \u6d41\u6c34\u7ebf\uff1a\u5f53\u5730\u4e00\u6761\u6307\u4ee4\u6267\u884c\u7684\u65f6\u5019\uff0c\u7b2c\u4e8c\u6761\u6307\u4ee4\u5728\u8bd1\u7801\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\uff0cCPU\u53ef\u4ee5\u6bcf\u5468\u671f\u6267\u884c\u4e00\u4e2a\u6307\u4ee4\u3002<\/li>\n\n\n\n
                    2. \u5206\u652f\u9884\u6d4b\uff1a\u5bf9\u4e8e\u6761\u4ef6\u8df3\u8f6c\u4f1a\u8fdb\u884c\u9884\u6d4b\uff0c\u63d0\u524d\u52a0\u8f7d\u53ef\u80fd\u7684\u76ee\u6807\u6307\u4ee4\u5230\u6d41\u6c34\u7ebf\uff0c\u9884\u6d4b\u6b63\u786e\u53ef\u4ee5\u590d\u7528\u6d41\u6c34\u7ebf\uff0c\u5426\u5219\u5c31\u8981\u56de\u6eda\u3002<\/li>\n\n\n\n
                    3. \u8d85\u6807\u91cf\u6267\u884c\uff1a\u591a\u6267\u884c\u5355\u5143\uff08\u591aALU\uff0c\u591a\u5185\u5b58\u8bbf\u95ee\uff09\uff0c\u6307\u4ee4\u5e76\u884c\uff0c\u540c\u65f6\u5904\u7406\u591a\u4e2a\u6307\u4ee4<\/li>\n\n\n\n
                    4. \u7f13\u5b58\uff1aCPU\u5185\u90e8\u4e09\u7ea7\u544a\u8bc9\u7f13\u5b58<\/li>\n<\/ol>\n\n\n\n
                      \u793e\u4ea4\u8f6f\u4ef6\u7684redis\u5b58\u50a8\uff08\u7528\u6237\u4fe1\u606f\uff0csession\uff09\u5982\u4f55\u8bbe\u8ba1<\/h3>\n\n\n\n
                      \u6570\u636e\u7ed3\u6784<\/h4>\n\n\n\n
                      Hash\u6216\u8005String<\/p>\n\n\n\n
                      String\u9002\u5408\u7b80\u5355\u573a\u666f\uff0c\u7528\u6237\u5c5e\u6027\u8f83\u5c11<\/p>\n\n\n\n
                      Hash\u9002\u5408\u590d\u6742\u573a\u666f\uff0c\u5982\u679c\u9700\u8981\u9891\u7e41\u4fee\u6539Session\u4e2d\u7684\u67d0\u4e2a\u5b57\u6bb5\uff0c\u4f7f\u7528hash\u66f4\u9ad8\u6548<\/p>\n\n\n\n
                      \u7f13\u5b58\u4e00\u81f4\u6027<\/h4>\n\n\n\n
                        \n
                      1. \u5ef6\u8fdf\u53cc\u5220\u7b56\u7565\uff1a\u9002\u5408\u4e8e\u5e76\u53d1\u7cfb\u7edf\uff0c\u4e3a\u4e86\u9632\u6b62\u66f4\u65b0\u7f13\u5b58\u540e\u65e7\u8bf7\u6c42\u5c06\u65b0\u7f13\u5b58\u9519\u8bef\u66f4\u65b0\uff0c\u6240\u4ee5\u4f1a\u5728\u66f4\u65b0\u5b8c\u7f13\u5b58\u4e4b\u540e\u8fc7\u4e00\u6bb5\u65f6\u95f4\u518d\u8fdb\u884c\u5220\u9664\u3002<\/li>\n\n\n\n
                      2. \u5199\u7a7f\u900f\uff08Write-Through\uff09 \u901a\u8fc7\u7f13\u5b58\u4ee3\u7406\u5904\u7406\u5199\u8bf7\u6c42\uff0c\u5148\u66f4\u65b0\u7f13\u5b58\u518d\u540c\u6b65\u66f4\u65b0\u6570\u636e\u5e93\uff08\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u9ad8\u4f46\u6027\u80fd\u8981\u6c42\u8f83\u4f4e\u7684\u573a\u666f\uff09<\/li>\n\n\n\n
                      3. \u5199\u56de\uff08Write-Behind\uff09 \u5199\u8bf7\u6c42\u4ec5\u66f4\u65b0\u7f13\u5b58\uff0c\u7136\u540e\u5f02\u6b65\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u5bf9\u5199\u5165\u6027\u80fd\u8981\u6c42\u6781\u9ad8\uff0c\u4f46\u5141\u8bb8\u77ed\u6682\u6570\u636e\u4e0d\u4e00\u81f4\uff08\u5982\u65e5\u5fd7\u7edf\u8ba1\uff09<\/li>\n\n\n\n
                      4. \u65c1\u8def\u7f13\u5b58\uff1a\u8bfb\u7684\u65f6\u5019\u4f18\u5148\u8bfb\u7f13\u5b58\uff0c\u5199\u7684\u65f6\u5019\u5148\u5199\u6570\u636e\u5e93\u7136\u540e\u8ba9\u7f13\u5b58\u5931\u6548\u5bf9\u4e8e\u9ad8\u9891\u8bfb\uff0c\u4f4e\u9891\u5199\u7684\u793e\u4ea4\u4e1a\u52a1\u573a\u666f\uff0c\u53ef\u4ee5\u91c7\u7528\u65c1\u8def\u7f13\u5b58+\u5ef6\u8fdf\u53cc\u5220\u7684\u7b56\u7565<\/strong><\/li>\n<\/ol>\n\n\n\n
                        \u8fc7\u671f\u673a\u5236<\/h4>\n\n\n\n
                        \u5220\u9664\u7b56\u7565\uff1a\u9009\u62e9\u5b9a\u671f\u548c\u60f0\u6027\u5220\u9664\u8fd9\u5757\uff0c\u5b9a\u671f\u7528\u6765\u9632\u6b62\u5185\u5b58\u788e\u7247\uff0c\u60f0\u6027\u7528\u6765\u9632\u6b62\u8bfb\u5230\u8fc7\u671f\u7684\u6570\u636e<\/p>\n\n\n\n
                        \u8fc7\u671f\u65f6\u95f4\u8bbe\u7f6e\uff1a\u7528\u6237\u4e00\u4e9b\u57fa\u672c\u4fe1\u606f\u53ef\u4ee5\u8bbe\u7f6e\u8f83\u957f\u7684TTL\uff0csession\u8bbe\u7f6e\u8f83\u77ed\u7684TTL\uff0c\u52a8\u6001\u5185\u5bb9\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u51e0\u5c0f\u65f6\u6216\u51e0\u5929\uff0c\u7ed3\u5408\u70ed\u5f1f\u554a\u6570\u636e\u5ef6\u957fTTL\uff0c\u77ed\u4fe1\u9a8c\u8bc1\u7801\u5219\u8bbe\u7f6e\u6781\u77ed\u7684\u7f13\u5b58\u65f6\u95f4<\/p>\n\n\n\n
                        \u4e00\u4e9b\u4f18\u5316\u7b56\u7565\uff1a<\/p>\n\n\n\n
                          \n
                        1. \u52a8\u6001\u8c03\u6574TTL\uff0c\u7ed3\u5408\u7528\u6237\u6d3b\u8dc3\u5ea6\uff0c\u6570\u636e\u66f4\u65b0\u9891\u7387\uff0c\u52a8\u6001\u5ef6\u957f\u6216\u7f29\u77edTTL\uff0c\u5e73\u8861\u6027\u80fd\u4e0e\u5185\u5b58<\/li>\n\n\n\n
                        2. \u5206\u6563\u8fc7\u671f\u65f6\u95f4\uff1a\u901a\u8fc7\u968f\u673a\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u964d\u4f4e\u6570\u636e\u5e93\u7f13\u5b58\u538b\u529b<\/li>\n\n\n\n
                        3. \u5206\u5e03\u5f0f\u573a\u666f\u4f18\u5316\uff1a\u96c6\u7fa4\u67b6\u6784\u6216\u8005\u4e3b\u4ece\u5ef6\u8fdf\uff0c\u96c6\u7fa4\u5206\u7247\uff0c\u5206\u5e03\u5f0f\u9501\u914d\u5408\u8fd9\u5757<\/li>\n<\/ol>\n\n\n\n
                          \u5206\u5e03\u5f0f\u573a\u666f\u4e0b\u7684\u6311\u6218<\/h4>\n\n\n\n
                            \n
                          1. \u4e3b\u4ece\u67b6\u6784\u4e0b\u4e3b\u4ece\u540c\u6b65\u7684\u8fc7\u671f\u5ef6\u8fdf\uff1a\u4e3b\u8282\u70b9\u5220\u9664\u952e\u540e\uff0c\u4ece\u8282\u70b9\u672a\u540c\u6b65\uff0c\u5bfc\u81f4\u4ece\u8282\u70b9\u8bfb\u53d6\u5230\u4f46\u672a\u5220\u9664\u7684\u952e\uff0c\u53ef\u4ee5\u91c7\u53d6\u4f18\u5148\u8bfb\u4e3b\u8282\u70b9\uff0c\u6216\u8005\u4f7f\u7528\u54e8\u5175\u673a\u5236\uff0c\u4e3b\u8282\u70b9\u5b95\u673a\u65f6\u81ea\u52a8\u63d0\u5347\u4ece\u8282\u70b9\u4e3a\u4e3b\u8282\u70b9\uff0c\u51cf\u5c11\u540c\u6b65\u5ef6\u8fdf\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
                          2. Redis\u96c6\u7fa4\u8fc7\u671f\u5904\u7406\uff1a\u67d0\u4e2a\u8282\u70b9\u5b95\u673a\uff0c\u5176\u4ed6\u96c6\u7fa4\u63a5\u7ba1\u5176\u69fd\u4f4d\u65f6\u7684\u8fc7\u671f\u952e\u9057\u6f0f\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u89c4\u5212\u5206\u7247\uff08\u5982\u9ad8\u9891\u6570\u636e\u5206\u6563\u5230\u4e0d\u540c\u8282\u70b9\uff0c\u907f\u514d\u5355\u8282\u70b9\u6545\u969c\u5bfc\u81f4\u5927\u91cf\u8fc7\u671f\u952e\u672a\u6e05\u7406\uff09\uff0c\u5e76\u8d2d\u4f7f\u7528\u76d1\u63a7\u673a\u5236\uff08Prometheus+Grafana\uff09\u76d1\u63a7\u4e2a\u8282\u70b9\u7684\u8fc7\u671f\u952e\u6307\u6807<\/li>\n\n\n\n
                          3. \u5206\u5e03\u5f0f\u9501\u6ce8\u610f\u9501\u7eed\u671f<\/li>\n<\/ol>\n\n\n\n
                            \u5e38\u89c1\u95ee\u9898\u7684\u6392\u67e5<\/h4>\n\n\n\n
                            \u7f13\u5b58\u672a\u6309\u65f6\u8fc7\u671f<\/p>\n\n\n\n
                            \u901a\u8fc7TTL\u547d\u4ee4\u6216\u8005\u68c0\u67e5Redis\u65e5\u5fd7\uff0c\u786e\u8ba4\u662f\u5426\u6709\u4e3b\u4ece\u540c\u6b65\u5ef6\u8fdf\u6216\u8005\u672a\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u6216\u8005\u65f6\u949f\u5f02\u5e38 \u8fc7\u671f\u952e\u672a\u6e05\u7406<\/p>\n\n\n\n
                            \u4f7f\u7528hz\u53c2\u6570\uff0c\u589e\u52a0\u5b9a\u671f\u5220\u9664\u9891\u7387\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u5b9a\u671f\u5220\u9664\u7684\u626b\u63cf\u6bd4\u7387\u4f4e\uff0c\u76d1\u63a7expired_stale_perc\u7684\u6bd4\u4f8b\uff0c\u5982\u679c\u957f\u671f\u9ad8\u4e8e20%\uff0c\u53ef\u4ee5\u4f18\u5316TTL\u914d\u7f6e<\/p>\n\n\n\n
                            \u7f13\u5b58\u548c\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\u5982\u4f55\u4fdd\u8bc1\uff0c\u5728\u8fd9\u4e2a\u793e\u4ea4\u8f6f\u4ef6\u7684\u573a\u666f\u4e0b<\/h3>\n\n\n\n
                              \n
                            1. \u5ef6\u8fdf\u53cc\u5220\u7b56\u7565\uff1a\u9002\u5408\u4e8e\u5e76\u53d1\u7cfb\u7edf\uff0c\u4e3a\u4e86\u9632\u6b62\u66f4\u65b0\u7f13\u5b58\u540e\u65e7\u8bf7\u6c42\u5c06\u65b0\u7f13\u5b58\u9519\u8bef\u66f4\u65b0\uff0c\u6240\u4ee5\u4f1a\u5728\u66f4\u65b0\u5b8c\u7f13\u5b58\u4e4b\u540e\u8fc7\u4e00\u6bb5\u65f6\u95f4\u518d\u8fdb\u884c\u5220\u9664\u3002<\/li>\n\n\n\n
                            2. \u5199\u7a7f\u900f\uff08Write-Through\uff09 \u901a\u8fc7\u7f13\u5b58\u4ee3\u7406\u5904\u7406\u5199\u8bf7\u6c42\uff0c\u5148\u66f4\u65b0\u7f13\u5b58\u518d\u540c\u6b65\u66f4\u65b0\u6570\u636e\u5e93\uff08\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u9ad8\u4f46\u6027\u80fd\u8981\u6c42\u8f83\u4f4e\u7684\u573a\u666f\uff09<\/li>\n\n\n\n
                            3. \u5199\u56de\uff08Write-Behind\uff09 \u5199\u8bf7\u6c42\u4ec5\u66f4\u65b0\u7f13\u5b58\uff0c\u7136\u540e\u5f02\u6b65\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u5bf9\u5199\u5165\u6027\u80fd\u8981\u6c42\u6781\u9ad8\uff0c\u4f46\u5141\u8bb8\u77ed\u6682\u6570\u636e\u4e0d\u4e00\u81f4\uff08\u5982\u65e5\u5fd7\u7edf\u8ba1\uff09<\/li>\n\n\n\n
                            4. \u65c1\u8def\u7f13\u5b58\uff1a\u8bfb\u7684\u65f6\u5019\u4f18\u5148\u8bfb\u7f13\u5b58\uff0c\u5199\u7684\u65f6\u5019\u5148\u5199\u6570\u636e\u5e93\u7136\u540e\u8ba9\u7f13\u5b58\u5931\u6548\u5bf9\u4e8e\u9ad8\u9891\u8bfb\uff0c\u4f4e\u9891\u5199\u7684\u793e\u4ea4\u4e1a\u52a1\u573a\u666f\uff0c\u53ef\u4ee5\u91c7\u7528\u65c1\u8def\u7f13\u5b58+\u5ef6\u8fdf\u53cc\u5220\u7684\u7b56\u7565<\/strong><\/li>\n<\/ol>\n\n\n\n
                              \u5982\u4f55\u5b9a\u4f4d\u4e00\u4e2a\u65b9\u6cd5\u51fd\u6570\u7684\u6027\u80fd\u74f6\u9888<\/h3>\n\n\n\n
                              \u91cf\u5316\u6307\u6807->\u5b9a\u4f4d\u70ed\u70b9->\u5206\u6790\u539f\u56e0->\u9a8c\u8bc1\u4f18\u5316<\/p>\n\n\n\n
                              \u660e\u786e\u6027\u80fd\u95ee\u9898<\/h5>\n\n\n\n
                              \u6839\u636e\u629b\u9519\u660e\u786e\u6027\u80fd\u7684\u8868\u73b0<\/p>\n\n\n\n
                              \u91cf\u5316\u6027\u80fd\u6307\u6807<\/h5>\n\n\n\n
                              \u4ee3\u7801\u5c42\u9762\uff1a\u4f7f\u7528\u4ee3\u7801\u6253\u5370\u65e5\u5fd7\u660e\u786e\u65b9\u6cd5\u8017\u65f6<\/p>\n\n\n\n
                              \u5916\u90e8\u8ba1\u65f6\u5de5\u5177\uff1alinux\u7cfb\u7edf\u81ea\u5e26time\u6307\u4ee4\uff0cAPM\u5de5\u5177\uff08SkyWalking\uff0cZipkin\uff0cPinpoint\uff09\u57cb\u70b9\u81ea\u52a8\u63d2\u6869\uff0c\u53ef\u89c6\u5316\u5e7b\u672f\u8c03\u7528\u94fe\u7684\u8017\u65f6\u5206\u5e03\u3002<\/p>\n\n\n\n
                              \u5b9a\u4f4d\u6027\u80fd\u70ed\u70b9<\/h5>\n\n\n\n
                              \u9009\u62e9profiler\u5de5\u5177\uff0c\u5982VisualVM\uff0c\u706b\u7130\u56fe\u5206\u6790<\/p>\n\n\n\n
                              \u5173\u6ce8CPU\u5360\u7528\uff0c\u8c03\u7528\u6b21\u6570\uff0c\u5185\u5b58\u5206\u914d\uff0cIO\u7b49\u5f85\uff0c\u9501\u7ade\u4e89<\/p>\n\n\n\n
                              \u5206\u6790\u74f6\u9888\u7c7b\u578b<\/h5>\n\n\n\n
                              CPU\u5bc6\u96c6\u578b \u4f4e\u6548\u7b97\u6cd5\uff08\u7b97\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u8f83\u9ad8\uff09 \u5185\u5b58\u5bc6\u96c6\u578b \u5185\u5b58\u6cc4\u6f0f\uff0c\u4e0d\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565 IO\u5bc6\u96c6\u578b \u6570\u636e\u5e93\u67e5\u8be2\u6162\uff0c\u7f51\u7edc\u8bf7\u6c42\u5ef6\u8fdf \u5e76\u53d1\u74f6\u9888 \u9501\u7ade\u4e89\uff0c\u7ebf\u7a0b\u6c60\u914d\u7f6e\u4e0d\u5408\u7406\uff0c\u8d44\u6e90\u4e89\u7528<\/p>\n\n\n\n
                              \u4f18\u5316\u9a8c\u8bc1<\/h5>\n\n\n\n
                              \u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\uff0cJMeter\u538b\u6d4b\uff0cAPM\u5de5\u5177<\/p>\n\n\n\n
                              \u5982\u4f55\u786e\u4fdd\u4e00\u4e2a\u51fd\u6570\u662f\u7ebf\u7a0b\u5b89\u5168\u7684<\/h3>\n\n\n\n
                              \u7ebf\u7a0b\u5b89\u5168<\/h4>\n\n\n\n
                              \u591a\u7ebf\u7a0b\u5e76\u53d1\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u7ade\u4e89\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u6216\u4e0d\u53ef\u9884\u671f\u884c\u4e3a\u3002<\/p>\n\n\n\n
                              \u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684\u539f\u56e0<\/h4>\n\n\n\n
                              \u591a\u4e2a\u7ebf\u7a0b\u5bf9\u5171\u4eab\u8d44\u6e90\u975e\u539f\u5b50\u64cd\u4f5c<\/p>\n\n\n\n
                              \u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u5e38\u89c1\u65b9\u6cd5<\/h4>\n\n\n\n
                              \u4e92\u65a5\u9501\uff1a\u786e\u4fdd\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90<\/p>\n\n\n\n
                              \u8bfb\u5199\u9501\uff1a\u9002\u5408\u8bfb\u591a\u5199\u5c11\u7684\u573a\u666f<\/p>\n\n\n\n
                              \u539f\u5b50\u64cd\u4f5c:CAS<\/p>\n\n\n\n
                              \u7ebf\u7a0b\u672c\u5730\u5b58\u50a8\uff1aThreadLocal<\/p>\n\n\n\n
                              \u4e0d\u53ef\u53d8\u72b6\u6001\uff1a\u5355\u4f8b\u6a21\u5f0f<\/p>\n\n\n\n
                              \u8fd8\u6709\u53ef\u89c1\u6027\u4fdd\u8bc1 volatile<\/p>\n\n\n\n
                              \u52a0\u9910\uff1a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0b\u65f6\u95f4\u4e0d\u540c\u6b65\u95ee\u9898<\/h3>\n\n\n\n
                              \u539f\u56e0<\/h4>\n\n\n\n
                                \n
                              1. \u786c\u4ef6\u65f6\u949f\uff08RTC\uff09\u548c\u7cfb\u7edf\u65f6\u949f\u5dee\u5f02:\u7cfb\u7edf\u65f6\u949f\u662f\u4ece\u786c\u4ef6\u65f6\u949f\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u662f\u6676\u632f\u6709\u8bef\u5dee\uff0c\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u65f6\u949f\u4e0e\u771f\u662f\u65f6\u95f4\u504f\u5dee\u3002<\/li>\n\n\n\n
                              2. NTP\u7f51\u7edc\u534f\u8bae\u670d\u52a1\u914d\u7f6e\u51fa\u9519\uff1aNTP\u670d\u52a1\u5668\u88ab\u9632\u706b\u5899\u8fde\u63a5\uff0c\u7f51\u7edc\u5ef6\u8fdf\u51fa\u9519\u3002<\/li>\n\n\n\n
                              3. \u65f6\u949f\u6f02\u79fb\uff1a\u786c\u4ef6\u5c42\u9762\u6676\u632f\u8bef\u5dee\u65e0\u6cd5\u907f\u514d\u3002<\/li>\n\n\n\n
                              4. \u865a\u62df\u5316\u4e0e\u5bb9\u5668\u73af\u5883\u7684\u65f6\u95f4\u95ee\u9898\uff1a\u865a\u62df\u673a\u4f9d\u9760hypervisor\uff0c\u540c\u6b65\u5931\u8d25\uff0c\u65f6\u95f4\u4f1a\u6f02\u79fb\uff0c\u53e6\u5916\u5bb9\u5668\u9ed8\u8ba4\u5171\u4eab\u5bbf\u4e3b\u673a\u65f6\u95f4\uff0c\u4f46\u5bb9\u5668\u8fdb\u7a0b\u94f6\u65f6\u533a\u914d\u7f6e\u9519\u8bef\u4f1a\u5bfc\u81f4\u65f6\u95f4\u504f\u5dee\u3002<\/li>\n<\/ol>\n\n\n\n
                                \u89e3\u51b3\u65b9\u6848<\/h4>\n\n\n\n
                                  \n
                                1. \u5e38\u89c4\u573a\u666f\uff1a\u914d\u7f6eNTP\u670d\u52a1 \u9ad8\u7cbe\u5ea6\u573a\u666f\uff1a\u7ed3\u5408PTP(\u7cbe\u786e\u65f6\u95f4\u534f\u8bae)\uff0c\u9700\u8981\u914d\u5907\u652f\u6301PTP\u7684\u7f51\u5361<\/li>\n\n\n\n
                                2. \u5bb9\u5668\u4e0e\u865a\u62df\u673a\u73af\u5883\u65f6\u95f4\u540c\u6b65\uff0c\u91c7\u7528hypervisor\u65f6\u95f4\u540c\u6b65<\/li>\n\n\n\n
                                3. \u5b9a\u671f\u6821\u51c6\u4e0e\u76d1\u63a7\uff1a\u4f7f\u7528ntpd-p\uff08NTP\u670d\u52a1\u72b6\u6001\uff09\u548cdate-u\uff08\u65f6\u95f4\u504f\u79fb\uff09\u6307\u4ee4\uff0c\u6216\u8005\u90e8\u7f72Prometheus\u76d1\u63a7<\/li>\n\n\n\n
                                4. \u4ee5\u4e0a\u90fd\u4e0d\u884c\u8fdb\u884c\u4eba\u5de5\u540c\u6b65<\/li>\n<\/ol>\n\n\n\n
                                  \u62db\u94f6\u4e8c\u9762<\/h2>\n\n\n\n
                                  \u589e\u91cf\u5bf9\u8d26\u4e2d\u7684\u5220\u9664\u8bb0\u5f55\uff0c\u6d88\u606f\u961f\u5217\u4fdd\u8bc1\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u8fd9\u5757\u589e\u91cf\u5bf9\u8d26\u662f\u5982\u4f55\u505a\u7684<\/h3>\n\n\n\n
                                  \u5bf9\u4e8e\u589e\u91cf\u5bf9\u8d26\u66f4\u65b0\uff0c\u5bf9\u4e8e\u63d2\u5165\uff0c\u66f4\u65b0\uff0c\u5220\u9664\u8fd9\u6837\u7684\u53d8\u66f4\u64cd\u4f5c\u63d0\u4f9b\u5bf9\u8d26\u64cd\u4f5c<\/p>\n\n\n\n
                                  \u5bf9\u8d26\u89e6\u53d1\u6761\u4ef6<\/h4>\n\n\n\n
                                  \u5b9a\u65f6\u89e6\u53d1\uff1a\u6bcf\u4e94\u5206\u949f\u89e6\u53d1\u4e00\u6b21<\/p>\n\n\n\n
                                  \u4e8b\u4ef6\u5806\u79ef\u89e6\u53d1\uff1a\u5bf9\u4e8e\u4efb\u610f\u64cd\u4f5c\u7c7b\u578b\u4e8b\u4ef6\u5806\u79ef\u91cf\u8d85\u8fc7\u9608\u503c\uff08\u4e00\u4e07\u6761\uff09\uff0c\u63d0\u524d\u89e6\u53d1\u5bf9\u8d26<\/p>\n\n\n\n
                                  \u5bf9\u8d26\u6570\u636e\u8303\u56f4<\/h3>\n\n\n\n
                                  \u65f6\u95f4\u7a97\u53e3<\/strong>\uff1a\u57fa\u4e8e\u4e8b\u4ef6\u65f6\u95f4\u6233\uff0c\u4f46\u6838\u5bf9\u6700\u8fd15\u5206\u949f\u5185\u7684\u4e8b\u4ef6<\/p>\n\n\n\n
                                  \u4e8b\u4ef6\u6eaf\u6e90<\/strong>\uff1a\u901a\u8fc7binlong_file\u548cbinlog_pos\u4eceCanal\u6216Mysql\u62c9\u53d6\u539f\u59cb\u4e8b\u4ef6\uff0c\u786e\u4fdd\u5bf9\u8d26\u8303\u56f4\u51c6\u786e<\/p>\n\n\n\n
                                  \u5168\u64cd\u4f5c\u5bf9\u8d26\u903b\u8f91<\/h4>\n\n\n\n
                                  \u4eceMysqlBinlog\u4e2d\u6309\u4e94\u5206\u949f\u7684\u7a97\u53e3\u9608\u503c\uff0c\u6bcf\u4e94\u5206\u949f\u6355\u83b7\u53d8\u66f4\u64cd\u4f5c\uff0c\u7136\u540e\u4e0eES\u4e2d\u7684\u64cd\u4f5c\u8bb0\u5f55\u6bd4\u5bf9<\/p>\n\n\n\n
                                  \u63d2\u5165\u64cd\u4f5c<\/h5>\n\n\n\n
                                  \u6b63\u5411\u5bf9\u8d26<\/h6>\n\n\n\n
                                  \u4eceMysql Binlog\u63d0\u53d6\u6700\u8fd1\u4e94\u5206\u949f\u7684INSERT\u4e8b\u4ef6M_insert(\u4e3b\u952e\uff0cafter\u5b57\u6bb5)<\/p>\n\n\n\n
                                  \u4eceES\u67e5\u8be2M_insert\u6240\u6709\u4e3b\u952e\u5bf9\u5e94\u7684\u6587\u6863\u662f\u5426\u5b58\u5728<\/p>\n\n\n\n
                                  \u4e0d\u5b58\u5728\u6807\u8bb0\u672a\u201cES\u672a\u63d2\u5165\u201d<\/p>\n\n\n\n
                                  \u5b58\u5728\u67e5\u770bafter\u5b57\u6bb5\u662f\u5426\u4e00\u81f4<\/p>\n\n\n\n
                                  \u53cd\u5411\u5bf9\u8d26<\/h6>\n\n\n\n
                                  \u4eceES\u63d0\u53d6\u6700\u8fd1\u4e94\u5206\u949f\u65b0\u589e\u7684\u6587\u6863\u96c6\u5408E_insert<\/p>\n\n\n\n
                                  \u4eceMySQL\u67e5\u8be2E_insert\u4e2d\u6240\u6709\u4e3b\u952e\u5bf9\u5e94\u7684\u8bb0\u5f55\u662f\u5426\u5b58\u5728\u4e14\u672a\u5220\u9664\uff1a<\/p>\n\n\n\n
                                  \u82e5\u4e0d\u5b58\u5728\u6216\u5220\u9664\uff1a\u6807\u8bb0\u201cMysql\u672a\u63d2\u5165\u201d<\/p>\n\n\n\n
                                  \u66f4\u65b0\u64cd\u4f5c<\/h5>\n\n\n\n
                                  \u6b63\u5411\u5bf9\u8d26<\/h6>\n\n\n\n
                                  \u4eceBinLog\u63d0\u53d6\u6700\u8fd1\u7684M_update\uff08before\/after\u5b57\u6bb5\uff0cchanged_fields\uff09<\/p>\n\n\n\n
                                  \u4eceES\u67e5\u8be2M_update\u4e2d\u6240\u6709\u4e3b\u952e\u5bf9\u5e94\u7684\u6587\u6863<\/p>\n\n\n\n
                                  \u4e0d\u5b58\u5728\u6807\u8bb0\u4e3a\u201cES\u672a\u63d2\u5165\u201d<\/p>\n\n\n\n
                                  \u5b58\u5728\uff1a\u68c0\u9a8cchanged_fields\u5bf9\u5e94\u7684ES\u5b57\u6bb5\u662f\u5426\u4e0eafter\u5b57\u6bb5\u4e00\u81f4<\/p>\n\n\n\n
                                  \u53cd\u5411\u5bf9\u8d26<\/h6>\n\n\n\n
                                  \u4eceES\u63d0\u53d6\u6700\u8fd1\u4e94\u5206\u949f\u6709\u66f4\u65b0\u7684\u6587\u6863\u96c6\u5408E_update(\u901a\u8fc7ES\u7684update_time\u5b57\u6bb5)<\/p>\n\n\n\n
                                  \u4eceMySQL\u67e5\u8be2E_update\u4e2d\u7684\u6240\u6709\u4e3b\u952e\u8bb0\u5f55\u5bf9\u5e94\u7684\u8bb0\u5f55\u7684update_time<\/p>\n\n\n\n
                                  \u5982\u679cMySQL\u66f4\u65b0\u65f6\u95f4\u665a\uff0c\u6807\u8bb0\u4e3a\u201cES\u672a\u540c\u6b65\u6700\u65b0\u66f4\u65b0\u201d\uff08\u4e0d\u4e00\u81f4\uff09<\/p>\n\n\n\n
                                  \u5220\u9664\u64cd\u4f5c<\/h5>\n\n\n\n
                                  \u6b63\u5411\u5bf9\u8d26<\/h6>\n\n\n\n
                                  \u62c9\u53d6\u8fd1\u4e94\u5206\u949f\u5185\u6240\u6709DELETE\u65f6\u95f4\uff0c\u5f97\u5230\u96c6\u5408<\/p>\n\n\n\n
                                  \u4eceES\u67e5\u8be2\u4e3b\u952e\u5bf9\u5e94\u7684\u8bb0\u5f55\u662f\u5426\u5b58\u5728<\/p>\n\n\n\n
                                  \u82e5\u5b58\u5728\uff0c\u6807\u8bb0\u4e3a\u201cES\u672a\u5220\u9664\u201d<\/p>\n\n\n\n
                                  \u53cd\u5411\u5bf9\u8d26<\/h6>\n\n\n\n
                                  \u4eceES\u4e2d\u63d0\u53d6\u6700\u8fd1\u4e94\u5206\u949f\u6709\u53d8\u66f4\u7684\u6570\u636e\uff0c\u5f97\u5230\u96c6\u5408E<\/p>\n\n\n\n
                                  \u4eceMySQL\u4e2d\u67e5\u8be2\u8fd9\u4e9b\u8bb0\u5f55\u662f\u5426\u5df2\u88ab\u5220\u9664<\/p>\n\n\n\n
                                  \u67e5\u8be2delete_time\u5b57\u6bb5\uff0c\u5982\u679cMysql\u4e2d\u65e0\u6570\u636e\uff08\u5220\u9664\u65f6\u95f4\u5b57\u6bb5\u4e0d\u4e3a\u7a7a\uff09\uff0c\u6807\u8bb0\u4e3a\u201cMysql\u672a\u5220\u9664\u201d<\/p>\n\n\n\n
                                  \u5dee\u5f02\u4fee\u590d\u7b56\u7565<\/h4>\n\n\n\n
                                  \u4e0d\u4e00\u81f4\u7c7b\u578b<\/strong><\/th>\u4fee\u590d\u7b56\u7565<\/strong><\/th><\/tr><\/thead>
                                  ES\u672a\u63d2\u5165\uff08\u65b0\u589e\u4e0d\u4e00\u81f4\uff09<\/strong><\/td>\u91cd\u65b0\u53d1\u9001\u5bf9\u5e94INSERT\u4e8b\u4ef6\u5230RocketMQ\uff0c\u6216\u76f4\u63a5\u8c03\u7528ES index<\/code>API\u63d2\u5165\u6587\u6863\u3002<\/td><\/tr>
                                  ES\u5b57\u6bb5\u4e0d\u4e00\u81f4\uff08\u66f4\u65b0\u4e0d\u4e00\u81f4\uff09<\/strong><\/td>\u63d0\u53d6MySQL after<\/code>\u5b57\u6bb5\u4e0eES\u5f53\u524d\u5b57\u6bb5\u7684\u5dee\u5f02\uff0c\u8c03\u7528ES update<\/code>API\u540c\u6b65\u66f4\u65b0\u3002<\/td><\/tr>
                                  ES\u672a\u5220\u9664\uff08\u5220\u9664\u4e0d\u4e00\u81f4\uff09<\/strong><\/td>\u91cd\u65b0\u53d1\u9001\u5bf9\u5e94DELETE\u4e8b\u4ef6\u5230RocketMQ\uff0c\u6216\u76f4\u63a5\u8c03\u7528ES delete<\/code>API\u5220\u9664\u6587\u6863\u3002<\/td><\/tr>
                                  MySQL\u672a\u63d2\u5165\uff08\u53cd\u5411\u65b0\u589e\u4e0d\u4e00\u81f4\uff09<\/strong><\/td>\u68c0\u67e5\u662f\u5426\u4e3aES\u8bef\u63d2\uff08\u5982\u4e3b\u952e\u51b2\u7a81\uff09\uff0c\u5220\u9664ES\u6587\u6863\uff1b\u82e5\u662fMySQL\u63d2\u5165\u5931\u8d25\uff0c\u540c\u6b65MySQL\u6b63\u786e\u6570\u636e\u3002<\/td><\/tr>
                                  ES\u672a\u540c\u6b65\u6700\u65b0\u66f4\u65b0\uff08\u53cd\u5411\u66f4\u65b0\u4e0d\u4e00\u81f4\uff09<\/strong><\/td>\u4eceMySQL\u62c9\u53d6\u6700\u65b0after<\/code>\u5b57\u6bb5\uff0c\u8c03\u7528ES update<\/code>API\u8986\u76d6ES\u6587\u6863\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                  \u8868\u7d22\u5f15\u4f18\u5316\u8fd9\u5757\uff0c\u5177\u4f53\u7684\u4f18\u5316\u6d41\u7a0b\u548c\u7ec6\u8282\uff0c\u5efa\u4e86\u591a\u5c11\u6761\u7d22\u5f15<\/h3>\n\n\n\n
                                  \u5982\u4f55\u83b7\u53d6\u4fe1\u606f<\/h4>\n\n\n\n
                                  SELECT INDEX_NAME, COLUMN_NAME, SEQ_IN_INDEX, INDEX_TYPE, CARDINALITY, *-- \u7d22\u5f15\u57fa\u6570\uff08\u9009\u62e9\u6027\u5173\u952e\u6307\u6807\uff09* INDEX_COMMENT FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA = 'your_db' AND TABLE_NAME = 'address';<\/code><\/p>\n\n\n\n
                                  \u4f7f\u7528\u4ee5\u4e0asql\u53ef\u4ee5\u67e5\u770b\u5177\u4f53address\u8868\u7684\u7d22\u5f15\u5217<\/p>\n\n\n\n
                                  \u5206\u6790\u7d22\u5f15\u4f4e\u6548\u95ee\u9898<\/h4>\n\n\n\n