{"id":15924,"date":"2026-04-26T11:16:43","date_gmt":"2026-04-26T03:16:43","guid":{"rendered":"https:\/\/top.duoku.icu\/libs\/15924.html"},"modified":"2026-04-26T11:16:43","modified_gmt":"2026-04-26T03:16:43","slug":"%e9%ab%98%e6%80%a7%e8%83%bd-disruptor-%e6%b6%88%e6%81%af%e9%98%9f%e5%88%97%e5%8e%9f%e7%90%86%e5%8f%8a%e8%af%a6%e7%bb%86%e4%bd%bf%e7%94%a8%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.srclibs.com\/index.php\/2026\/04\/26\/%e9%ab%98%e6%80%a7%e8%83%bd-disruptor-%e6%b6%88%e6%81%af%e9%98%9f%e5%88%97%e5%8e%9f%e7%90%86%e5%8f%8a%e8%af%a6%e7%bb%86%e4%bd%bf%e7%94%a8%e6%95%99%e7%a8%8b\/","title":{"rendered":"\u9ad8\u6027\u80fd Disruptor \u6d88\u606f\u961f\u5217\u539f\u7406\u53ca\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b"},"content":{"rendered":"<div style=\"text-align:center;margin:30px 0;\"><img decoding=\"async\" src=\"https:\/\/top.duoku.icu\/wp-content\/uploads\/2026\/04\/image-89.png\" alt=\"\u9ad8\u6027\u80fd Disruptor \u6d88\u606f\u961f\u5217\u539f\u7406\u53ca\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b\" style=\"max-width:100%;height:auto;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.1);\"><\/div>\n<h1>\u9ad8\u6027\u80fd Disruptor \u6d88\u606f\u961f\u5217\u539f\u7406\u53ca\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b<\/h1>\n<h2>Disruptor \u6982\u8ff0<\/h2>\n<p>Disruptor \u662f\u7531 LMAX \u516c\u53f8\u5f00\u53d1\u7684\u5f00\u6e90\u9ad8\u6027\u80fd\u5f02\u6b65\u6d88\u606f\u5904\u7406\u6846\u67b6\uff0c2009 \u5e74\u5f00\u6e90\u3002\u5b83\u88ab\u8bbe\u8ba1\u7528\u4e8e\u89e3\u51b3\u91d1\u878d\u4ea4\u6613\u7cfb\u7edf\u4e2d\u8d85\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u6d88\u606f\u4f20\u9012\u95ee\u9898\uff0c\u80fd\u591f\u5904\u7406\u6bcf\u79d2\u767e\u4e07\u7ea7\u7684\u6d88\u606f\u541e\u5410\u91cf\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9700\u8981 Disruptor\uff1f<\/h3>\n<p>\u5728\u4f20\u7edf\u7684 Java \u5e94\u7528\u4e2d\uff0c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u4e3b\u8981\u4f9d\u8d56\uff1a<\/p>\n<ul>\n<li><strong>BlockingQueue<\/strong>\uff1a\u57fa\u4e8e\u9501\u7684\u963b\u585e\u961f\u5217<\/li>\n<li><strong>synchronized<\/strong>\uff1a\u540c\u6b65\u4ee3\u7801\u5757<\/li>\n<li><strong>volatile<\/strong>\uff1a\u53ef\u89c1\u6027\u4fdd\u8bc1<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u65b9\u5f0f\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u5b58\u5728\u6027\u80fd\u74f6\u9888\uff1a<\/p>\n<ul>\n<li><strong>\u9501\u7ade\u4e89<\/strong>\uff1a\u591a\u4e2a\u7ebf\u7a0b\u7ade\u4e89\u540c\u4e00\u628a\u9501<\/li>\n<li><strong>\u4e0a\u4e0b\u6587\u5207\u6362<\/strong>\uff1a\u7ebf\u7a0b\u963b\u585e\u5bfc\u81f4 CPU \u5207\u6362\u5f00\u9500<\/li>\n<li><strong>\u5185\u5b58\u5c4f\u969c<\/strong>\uff1a\u9891\u7e41\u5237\u65b0 CPU \u7f13\u5b58<\/li>\n<\/ul>\n<h3>Disruptor \u7684\u6838\u5fc3\u4f18\u52bf<\/h3>\n<table border=\"1\" cellpadding=\"5\">\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u4f20\u7edf\u961f\u5217<\/th>\n<th>Disruptor<\/th>\n<\/tr>\n<tr>\n<td>\u541e\u5410\u91cf<\/td>\n<td>\u4e07\u7ea7\/\u79d2<\/td>\n<td>\u767e\u4e07\u7ea7\/\u79d2<\/td>\n<\/tr>\n<tr>\n<td>\u5ef6\u8fdf<\/td>\n<td>\u8f83\u9ad8<\/td>\n<td>\u5fae\u79d2\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>\u9501\u673a\u5236<\/td>\n<td>\u91cd\u91cf\u7ea7\u9501<\/td>\n<td>\u65e0\u9501\u8bbe\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u5206\u914d<\/td>\n<td>\u9891\u7e41\u521b\u5efa\u5bf9\u8c61<\/td>\n<td>\u9884\u5206\u914d\u3001\u96f6 GC<\/td>\n<\/tr>\n<tr>\n<td>CPU \u7f13\u5b58<\/td>\n<td>\u7f13\u5b58\u4e0d\u53cb\u597d<\/td>\n<td>\u7f13\u5b58\u884c\u53cb\u597d<\/td>\n<\/tr>\n<\/table>\n<h2>Disruptor \u6838\u5fc3\u539f\u7406<\/h2>\n<h3>\u65e0\u9501\u8bbe\u8ba1\uff08Lock-Free\uff09<\/h3>\n<p>Disruptor \u91c7\u7528<strong>\u81ea\u65cb\u9501<\/strong>\uff08Spin Lock\uff09\u4ee3\u66ff\u91cd\u91cf\u7ea7\u9501\uff0c\u907f\u514d\u7ebf\u7a0b\u963b\u585e\uff1a<\/p>\n<p>&#8220;`java<br \/>\n\/\/ \u4f20\u7edf\u65b9\u5f0f\uff1a\u91cd\u91cf\u7ea7\u9501<br \/>\nsynchronized(lock) {<br \/>\n    queue.add(item);<br \/>\n}<\/p>\n<p>\/\/ Disruptor \u65b9\u5f0f\uff1a\u81ea\u65cb + CAS<br \/>\nwhile (!sequence.compareAndSet(expected, expected + 1)) {<br \/>\n    \/\/ \u81ea\u65cb\u7b49\u5f85\uff0c\u4e0d\u4f1a\u963b\u585e\u7ebf\u7a0b<br \/>\n}<\/p>\n<pre><code>\n<h3>\u9884\u5206\u914d\u673a\u5236<\/h3>\n\nDisruptor \u5728\u521d\u59cb\u5316\u65f6\u5c31<strong>\u9884\u5148\u5206\u914d\u597d\u6240\u6709\u5185\u5b58\u7a7a\u95f4<\/strong>\uff0c\u907f\u514d\u4e86\u8fd0\u884c\u65f6\u9891\u7e41\u521b\u5efa\u5bf9\u8c61\u5e26\u6765\u7684 GC \u538b\u529b\uff1a\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u9884\u5148\u521b\u5efa 1024 \u4e2a\u4e8b\u4ef6\u69fd\u4f4d<br \/>\nnew Disruptor<>(<br \/>\n    () -> new OrderEvent(),  \/\/ \u4e8b\u4ef6\u5de5\u5382<br \/>\n    1024,                     \/\/ \u73af\u5f62\u7f13\u51b2\u533a\u5927\u5c0f<br \/>\n    Executors.defaultThreadFactory(),<br \/>\n    Executor.defaultExecutor(),<br \/>\n    Executor.defaultExecutor()<br \/>\n);<\/p>\n<pre><code>\n<h3>\u73af\u5f62\u7f13\u51b2\u533a\uff08RingBuffer\uff09<\/h3>\n\n<strong>RingBuffer<\/strong> \u662f Disruptor \u7684\u6838\u5fc3\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a<strong>\u5faa\u73af\u6570\u7ec4<\/strong>\uff1a\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ RingBuffer \u64cd\u4f5c\u793a\u4f8b<br \/>\nRingBuffer<OrderEvent> ringBuffer = disruption.start();<\/p>\n<p>\/\/ \u83b7\u53d6\u4e0b\u4e00\u4e2a\u53ef\u7528\u7684\u5e8f\u5217\u53f7<br \/>\nlong sequence = ringBuffer.next();<\/p>\n<p>try {<br \/>\n    \/\/ \u83b7\u53d6\u4e8b\u4ef6\u5bf9\u8c61<br \/>\n    OrderEvent event = ringBuffer.get(sequence);<br \/>\n    event.setId(1001);<br \/>\n    event.setAmount(99.99);<br \/>\n} finally {<br \/>\n    \/\/ \u91ca\u653e\u5e8f\u5217\u53f7<br \/>\n    ringBuffer.publish(sequence);<br \/>\n}<\/p>\n<pre><code>\n<strong>RingBuffer \u4f18\u52bf<\/strong>\uff1a\n<ul>\n<li>\u56fa\u5b9a\u5927\u5c0f\u7684\u5faa\u73af\u6570\u7ec4\uff0c\u907f\u514d\u5185\u5b58\u6269\u5f20<\/li>\n<li>\u7d22\u5f15\u81ea\u52a8\u5faa\u73af\uff0c\u65e0\u9700\u989d\u5916\u5904\u7406<\/li>\n<li>CPU \u7f13\u5b58\u53cb\u597d\uff08\u8fde\u7eed\u5185\u5b58\uff09<\/li>\n<\/ul>\n\n<h2>Disruptor \u6838\u5fc3\u7ec4\u4ef6<\/h2>\n\n<h3>1. RingBuffer\uff08\u73af\u5f62\u7f13\u51b2\u533a\uff09<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u521b\u5efa RingBuffer<br \/>\nRingBuffer<OrderEvent> ringBuffer = Disruptor.createRingBuffer(<br \/>\n    OrderEvent::new,<br \/>\n    1024  \/\/ \u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u63a8\u8350 2 \u7684\u5e42\u6b21\u65b9<br \/>\n);<\/p>\n<p>\/\/ \u73af\u5f62\u7f13\u51b2\u533a\u64cd\u4f5c<br \/>\nlong cursor = ringBuffer.next();    \/\/ \u83b7\u53d6\u4e0b\u4e00\u4e2a\u4f4d\u7f6e<br \/>\nOrderEvent event = ringBuffer.get(cursor);  \/\/ \u83b7\u53d6\u4e8b\u4ef6<br \/>\nringBuffer.publish(cursor);         \/\/ \u53d1\u5e03\u4e8b\u4ef6<\/p>\n<pre><code>\n<h3>2. EventHandler\uff08\u4e8b\u4ef6\u5904\u7406\u5668\uff09<\/h3>\n\nEventHandler \u8d1f\u8d23\u5904\u7406\u5177\u4f53\u4e1a\u52a1\u903b\u8f91\uff1a\n\n<\/code><\/pre>\n<p>java<br \/>\npublic class OrderEventHandler implements EventHandler<OrderEvent> {<br \/>\n    @Override<br \/>\n    public void onEvent(OrderEvent event, long sequence, boolean endOfBatch) throws Exception {<br \/>\n        \/\/ \u5904\u7406\u4e8b\u4ef6<br \/>\n        System.out.println(&#8220;\u8ba2\u5355 ID: &#8221; + event.getId() + &#8220;, \u91d1\u989d\uff1a&#8221; + event.getAmount());<\/p>\n<p>        \/\/ \u6267\u884c\u4e1a\u52a1\u903b\u8f91<br \/>\n        processOrder(event);<br \/>\n    }<\/p>\n<p>    private void processOrder(OrderEvent event) {<br \/>\n        \/\/ \u8ba2\u5355\u5904\u7406\u903b\u8f91<br \/>\n    }<br \/>\n}<\/p>\n<pre><code>\n<strong>\u5173\u952e\u65b9\u6cd5<\/strong>\uff1a\n<ul>\n<li>`onEvent()`\uff1a\u5904\u7406\u4e8b\u4ef6<\/li>\n<li>`onEvent()` \u7684 `endOfBatch` \u53c2\u6570\uff1a\u6307\u793a\u662f\u5426\u662f\u6279\u91cf\u5904\u7406\u7684\u6700\u540e\u4e00\u4e2a\u4e8b\u4ef6<\/li>\n<\/ul>\n\n<h3>3. SequenceBarrier\uff08\u5e8f\u5217\u5c4f\u969c\uff09<\/h3>\n\nSequenceBarrier \u8d1f\u8d23\u7ba1\u7406\u6d88\u8d39\u7aef\u7684\u5e8f\u5217\u53f7\uff0c\u63a7\u5236\u4e8b\u4ef6\u6d88\u8d39\u7684\u987a\u5e8f\uff1a\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u521b\u5efa\u4e8b\u4ef6\u4f9d\u8d56\u5173\u7cfb<br \/>\nSequenceBarrier barrier = ringBarriers.makeBarrier(producerSequence);<\/p>\n<p>\/\/ \u7b49\u5f85\u4e8b\u4ef6\u5c31\u7eea<br \/>\nlong sequence = barrier.waitFor(consumerSequence);<\/p>\n<pre><code>\n<h3>4. EventFactory\uff08\u4e8b\u4ef6\u5de5\u5382\uff09<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u4e8b\u4ef6\u5de5\u5382\u51fd\u6570<br \/>\nEventFactory<OrderEvent> factory = OrderEvent::new;<\/p>\n<p>\/\/ \u6216\u8005\u4f7f\u7528 lambda<br \/>\nEventFactory<OrderEvent> factory = () -> new OrderEvent();<\/p>\n<pre><code>\n<h2>\u4e0e\u4f20\u7edf\u6d88\u606f\u961f\u5217\u7684\u5bf9\u6bd4<\/h2>\n\n| \u7279\u6027 | \u4f20\u7edf MQ\uff08\u5982 Kafka\u3001RabbitMQ\uff09 | Disruptor |\n|------|---------------------------|-----------|\n| \u901a\u4fe1\u65b9\u5f0f | \u7f51\u7edc\u901a\u4fe1 | \u5185\u5b58\u901a\u4fe1 |\n| \u90e8\u7f72\u590d\u6742\u5ea6 | \u9ad8\uff08\u9700\u8981\u989d\u5916\u670d\u52a1\uff09 | \u4f4e\uff08\u7eaf Java \u5e93\uff09 |\n| \u5ef6\u8fdf | \u6beb\u79d2\u7ea7 | \u5fae\u79d2\u7ea7 |\n| \u9002\u7528\u573a\u666f | \u5206\u5e03\u5f0f\u7cfb\u7edf | \u5355\u673a\u9ad8\u5e76\u53d1 |\n| \u6301\u4e45\u5316 | \u652f\u6301 | \u4e0d\u652f\u6301 |\n| \u53ef\u9760\u6027 | \u9ad8 | \u4f9d\u8d56\u5e94\u7528\u5c42\u4fdd\u8bc1 |\n\n<strong>\u9002\u7528\u573a\u666f\u9009\u62e9<\/strong>\uff1a\n<ul>\n<li><strong>Disruptor<\/strong>\uff1a\u5355\u673a\u9ad8\u5e76\u53d1\u3001\u4f4e\u5ef6\u8fdf\u573a\u666f<\/li>\n<li><strong>\u4f20\u7edf MQ<\/strong>\uff1a\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u9700\u8981\u6301\u4e45\u5316\u7684\u573a\u666f<\/li>\n<\/ul>\n\n<h2>\u5b8c\u6574\u4f7f\u7528\u793a\u4f8b<\/h2>\n\n<h3>1. \u5b9a\u4e49\u4e8b\u4ef6\u7c7b<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\npublic class OrderEvent {<br \/>\n    private long id;<br \/>\n    private String productId;<br \/>\n    private int quantity;<br \/>\n    private double amount;<\/p>\n<p>    \/\/ \u7a7a\u6784\u9020\u51fd\u6570\uff08\u5fc5\u9700\uff09<br \/>\n    public OrderEvent() {}<\/p>\n<p>    public long getId() { return id; }<br \/>\n    public void setId(long id) { this.id = id; }<br \/>\n    public String getProductId() { return productId; }<br \/>\n    public void setProductId(String productId) { this.productId = productId; }<br \/>\n    public int getQuantity() { return quantity; }<br \/>\n    public void setQuantity(int quantity) { this.quantity = quantity; }<br \/>\n    public double getAmount() { return amount; }<br \/>\n    public void setAmount(double amount) { this.amount = amount; }<br \/>\n}<\/p>\n<pre><code>\n<h3>2. \u521b\u5efa Disruptor \u5b9e\u4f8b<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\nimport com.lmax.disruptor.*;<\/p>\n<p>public class DisruptorExample {<br \/>\n    public static void main(String[] args) throws InterruptedException {<br \/>\n        \/\/ 1. \u521b\u5efa\u4e8b\u4ef6\u5de5\u5382<br \/>\n        EventFactory<OrderEvent> factory = OrderEvent::new;<\/p>\n<p>        \/\/ 2. \u521b\u5efa Disruptor \u5b9e\u4f8b<br \/>\n        Disruptor<OrderEvent> disruptor = new Disruptor<>(<br \/>\n            factory,           \/\/ \u4e8b\u4ef6\u5de5\u5382<br \/>\n            1024,              \/\/ \u73af\u5f62\u7f13\u51b2\u533a\u5927\u5c0f<br \/>\n            Executors.defaultThreadFactory(),  \/\/ \u7ebf\u7a0b\u5de5\u5382<br \/>\n            Executor.defaultExecutor(),        \/\/ \u751f\u4ea7\u8005 executor<br \/>\n            Executor.defaultExecutor()         \/\/ \u6d88\u8d39\u8005 executor<br \/>\n        );<\/p>\n<p>        \/\/ 3. \u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u5668<br \/>\n        disruptor.addHandler(new OrderEventHandler());<br \/>\n        disruptor.addHandler(new InventoryEventHandler());<\/p>\n<p>        \/\/ 4. \u542f\u52a8 Disruptor<br \/>\n        disruptor.start();<\/p>\n<p>        \/\/ 5. \u83b7\u53d6 RingBuffer<br \/>\n        RingBuffer<OrderEvent> ringBuffer = disruptor.getRingBuffer();<\/p>\n<p>        \/\/ 6. \u751f\u4ea7\u6d88\u606f<br \/>\n        for (int i = 0; i < 10000; i++) {\n            long sequence = ringBuffer.next();\n            try {\n                OrderEvent event = ringBuffer.get(sequence);\n                event.setId(i);\n                event.setProductId(\"P\" + i);\n                event.setQuantity(1);\n                event.setAmount(99.99);\n            } finally {\n                ringBuffer.publish(sequence);\n            }\n        }\n        \n        \/\/ \u7b49\u5f85\u6240\u6709\u4e8b\u4ef6\u5904\u7406\u5b8c\u6210\n        Thread.sleep(1000);\n        \n        \/\/ 7. \u5173\u95ed Disruptor\n        disruptor.shutdown();\n        System.out.println(\"\u5904\u7406\u5b8c\u6210\");\n    }\n}\n\n\n<pre><code>\n<h3>3. \u591a\u4e2a EventHandler \u793a\u4f8b<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u8ba2\u5355\u5904\u7406\u5668<br \/>\npublic class OrderEventHandler implements EventHandler<OrderEvent> {<br \/>\n    @Override<br \/>\n    public void onEvent(OrderEvent event, long sequence, boolean endOfBatch) {<br \/>\n        System.out.println(&#8220;\u8ba2\u5355\u5904\u7406\uff1a&#8221; + event.getId());<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5e93\u5b58\u5904\u7406\u5668<br \/>\npublic class InventoryEventHandler implements EventHandler<OrderEvent> {<br \/>\n    @Override<br \/>\n    public void onEvent(OrderEvent event, long sequence, boolean endOfBatch) {<br \/>\n        System.out.println(&#8220;\u5e93\u5b58\u6263\u51cf\uff1a&#8221; + event.getProductId());<br \/>\n    }<br \/>\n}<\/p>\n<pre><code>\n<h3>4. \u591a\u751f\u4ea7\u8005\u573a\u666f<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u591a\u4e2a\u751f\u4ea7\u8005\u540c\u65f6\u5199\u5165<br \/>\npublic class MultiProducerExample {<br \/>\n    public static void main(String[] args) {<br \/>\n        Disruptor<OrderEvent> disruptor = new Disruptor<>(<br \/>\n            OrderEvent::new,<br \/>\n            1024,<br \/>\n            Executors.defaultThreadFactory(),<br \/>\n            ProducerType.MULTI,  \/\/ \u591a\u751f\u4ea7\u8005\u6a21\u5f0f<br \/>\n            Executor.defaultExecutor(),<br \/>\n            Executor.defaultExecutor()<br \/>\n        );<\/p>\n<p>        disruptor.addEventHandler(new OrderEventHandler());<br \/>\n        disruptor.start();<\/p>\n<p>        RingBuffer<OrderEvent> ringBuffer = disruptor.getRingBuffer();<\/p>\n<p>        \/\/ \u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u751f\u4ea7<br \/>\n        for (int i = 0; i < 100000; i++) {\n            long sequence = ringBuffer.next();\n            OrderEvent event = ringBuffer.get(sequence);\n            event.setId(i);\n            event.setAmount(Math.random() * 1000);\n            ringBuffer.publish(sequence);\n        }\n        \n        disruptor.shutdown();\n    }\n}\n\n\n<pre><code>\n<h2>\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h2>\n\n<h3>\u573a\u666f\u4e00\uff1a\u91d1\u878d\u4ea4\u6613\u7cfb\u7edf<\/h3>\n\nLMAX \u4ea4\u6613\u7cfb\u7edf\u4e2d\uff0cDisruptor \u5904\u7406\u8ba2\u5355\u5339\u914d\uff0c\u652f\u6301\u6bcf\u79d2\u6570\u5341\u4e07\u7b14\u8ba2\u5355\u5904\u7406\uff0c\u5ef6\u8fdf\u4f4e\u4e8e 10 \u5fae\u79d2\u3002\n\n<h3>\u573a\u666f\u4e8c\uff1a\u65e5\u5fd7\u5904\u7406<\/h3>\n\n\u9ad8\u6027\u80fd\u65e5\u5fd7\u6846\u67b6\u5982 Disruptor-Logger\uff0c\u53ef\u5c06\u65e5\u5fd7\u5199\u5165\u6027\u80fd\u63d0\u5347\u81f3\u4f20\u7edf\u65b9\u5f0f\u7684 10 \u500d\u4ee5\u4e0a\u3002\n\n<h3>\u573a\u666f\u4e09\uff1a\u5b9e\u65f6\u6570\u636e\u5904\u7406<\/h3>\n\n\u7535\u5546\u5e73\u53f0\u8ba2\u5355\u5904\u7406\u3001\u652f\u4ed8\u56de\u8c03\u7b49\u573a\u666f\uff0c\u9700\u8981\u5feb\u901f\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u3002\n\n<h3>\u573a\u666f\u56db\uff1a\u6e38\u620f\u670d\u52a1\u5668<\/h3>\n\n\u6e38\u620f\u72b6\u6001\u66f4\u65b0\u3001\u73a9\u5bb6\u64cd\u4f5c\u5904\u7406\u7b49\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\u3002\n\n<h3>\u573a\u666f\u4e94\uff1a\u5fae\u670d\u52a1\u94fe\u8def\u8ffd\u8e2a<\/h3>\n\n\u5728\u9ad8\u5e76\u53d1\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0cDisruptor \u53ef\u7528\u4e8e\u4e8b\u4ef6\u8ffd\u8e2a\u548c\u94fe\u8def\u5206\u6790\u3002\n\n<h2>\u6027\u80fd\u8c03\u4f18\u5efa\u8bae<\/h2>\n\n<h3>1. RingBuffer \u5927\u5c0f\u9009\u62e9<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u7f13\u51b2\u533a\u5927\u5c0f\u9009\u62e9\u5efa\u8bae<br \/>\nint bufferSize;<br \/>\nif (\u5e76\u53d1\u91cf < 10000) {\n    bufferSize = 256;\n} else if (\u5e76\u53d1\u91cf < 100000) {\n    bufferSize = 1024;\n} else {\n    bufferSize = 16384;\n}\n\nnew Disruptor<>(factory, bufferSize, &#8230;);<\/p>\n<pre><code>\n<strong>\u6ce8\u610f<\/strong>\uff1a\u7f13\u51b2\u533a\u5927\u5c0f\u5e94\u4e3a 2 \u7684\u5e42\u6b21\u65b9\uff0c\u4fbf\u4e8e\u8ba1\u7b97\u7d22\u5f15\u3002\n\n<h3>2. \u7ebf\u7a0b\u6c60\u914d\u7f6e<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u81ea\u5b9a\u4e49\u7ebf\u7a0b\u5de5\u5382\uff0c\u8bbe\u7f6e\u7ebf\u7a0b\u540d\u79f0<br \/>\nThreadFactory factory = r -> {<br \/>\n    Thread t = new Thread(r, &#8220;disruptor-handler&#8221;);<br \/>\n    t.setDaemon(true);<br \/>\n    return t;<br \/>\n};<\/p>\n<p>new Disruptor<>(factory, bufferSize, factory, &#8230;);<\/p>\n<pre><code>\n<h3>3. \u907f\u514d\u70ed\u70b9\u5b57\u6bb5\u7ade\u4e89<\/h3>\n\n<\/code><\/pre>\n<p>java<br \/>\n\/\/ \u4e0d\u597d\u7684\u8bbe\u8ba1\uff1a\u6240\u6709\u4e8b\u4ef6\u90fd\u4fee\u6539\u540c\u4e00\u4e2a\u5b57\u6bb5<br \/>\npublic class HotSpotField {<br \/>\n    private volatile long counter;  \/\/ \u70ed\u70b9\u5b57\u6bb5<br \/>\n}<\/p>\n<p>\/\/ \u5efa\u8bae\uff1a\u4f7f\u7528@Contended \u907f\u514d\u7f13\u5b58\u884c\u7ade\u4e89\uff08Java 8+\uff09<br \/>\n@Contended<br \/>\npublic class OrderEvent {<br \/>\n    private long id;<br \/>\n    private long timestamp;<br \/>\n}<\/p>\n<pre><code>\n<h2>\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3<\/h2>\n\n<h3>1. \u4e8b\u4ef6\u672a\u5904\u7406\u5b8c\u6210<\/h3>\n\n\u786e\u4fdd\u5728\u5e94\u7528\u5173\u95ed\u524d\u8c03\u7528 `shutdown()` \u5e76\u7b49\u5f85\u6240\u6709\u4e8b\u4ef6\u5904\u7406\u5b8c\u6210\u3002\n\n<h3>2. \u5185\u5b58\u6cc4\u6f0f<\/h3>\n\n\u786e\u4fdd EventFactory \u521b\u5efa\u7684\u5bf9\u8c61\u4e0d\u4f1a\u88ab\u610f\u5916\u5f15\u7528\u3002\n\n<h3>3. \u6027\u80fd\u4e0d\u5982\u9884\u671f<\/h3>\n\n<ul>\n<li>\u68c0\u67e5 RingBuffer \u5927\u5c0f\u662f\u5426\u5408\u9002<\/li>\n<li>\u786e\u8ba4 EventHandler \u5904\u7406\u903b\u8f91\u4e0d\u8981\u592a\u590d\u6742<\/li>\n<li>\u8003\u8651\u4f7f\u7528 `BlockingWaitStrategy` \u6216 `SleepingWaitStrategy`<\/li>\n<\/ul>\n\n---\n\n<strong>\u603b\u7ed3<\/strong>\uff1aDisruptor \u4ee5\u5176\u5353\u8d8a\u7684\u65e0\u9501\u8bbe\u8ba1\u3001\u73af\u5f62\u7f13\u51b2\u533a\u548c\u9884\u5206\u914d\u673a\u5236\uff0c\u6210\u4e3a\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u9996\u9009\u5f02\u6b65\u5904\u7406\u6846\u67b6\u3002\u638c\u63e1 Disruptor \u7684\u6838\u5fc3\u539f\u7406\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5c06\u8ba9\u4f60\u7684\u5e94\u7528\u6027\u80fd\u63d0\u5347\u6570\u4e2a\u6570\u91cf\u7ea7\u3002\n\n---\n\n<strong>Maven \u4f9d\u8d56<\/strong>\uff1a\n<\/code><\/pre>\n<p>xml<br \/>\n<dependency><br \/>\n    <groupId>com.lmax<\/groupId><br \/>\n    <artifactId>disruptor<\/artifactId><br \/>\n    <version>3.4.4<\/version><br \/>\n<\/dependency><br \/>\n&#8220;`<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9ad8\u6027\u80fd Disruptor \u6d88\u606f\u961f\u5217\u539f\u7406\u53ca\u8be6\u7ec6\u4f7f\u7528\u6559\u7a0b Disruptor \u6982\u8ff0 Disruptor \u662f\u7531 L&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-15924","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/posts\/15924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/comments?post=15924"}],"version-history":[{"count":0,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/posts\/15924\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/media?parent=15924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/categories?post=15924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.srclibs.com\/index.php\/wp-json\/wp\/v2\/tags?post=15924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}