{"id":10020560,"date":"2024-12-28T15:30:02","date_gmt":"2024-12-28T07:30:02","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020560"},"modified":"2024-12-28T15:30:02","modified_gmt":"2024-12-28T07:30:02","slug":"%e4%bd%bf%e7%94%a8netty%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84hashedwheeltimer%e5%ae%9e%e7%8e%b0%e9%ab%98%e5%b9%b6%e5%8f%91%e5%ae%9a%e6%97%b6%e4%bb%bb%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020560","title":{"rendered":"\u4f7f\u7528Netty\u6846\u67b6\u4e2d\u7684HashedWheelTimer\u5b9e\u73b0\u9ad8\u5e76\u53d1\u5b9a\u65f6\u4efb\u52a1"},"content":{"rendered":"

\u9879\u76ee\u76ee\u5f55\u7ed3\u6784<\/h3>\n
HighConcurrencyTimerProject\/\n\u251c\u2500\u2500 src\/\n\u2502   \u251c\u2500\u2500 main\/\n\u2502   \u2502   \u251c\u2500\u2500 java\/\n\u2502   \u2502   \u2502   \u251c\u2500\u2500 com\/\n\u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 example\/\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 HighConcurrencyTimerExample.java\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 ThreadPoolExample.java\n\u2502   \u251c\u2500\u2500 test\/\n\u2502   \u2502   \u251c\u2500\u2500 java\/\n\u2502   \u2502   \u2502   \u251c\u2500\u2500 com\/\n\u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 example\/\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 HighConcurrencyTimerExampleTest.java\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 ThreadPoolExampleTest.java\n\u251c\u2500\u2500 pom.xmlHighConcurrencyTimerProject\/\n\u251c\u2500\u2500 src\/\n\u2502   \u251c\u2500\u2500 main\/\n\u2502   \u2502   \u251c\u2500\u2500 java\/\n\u2502   \u2502   \u2502   \u251c\u2500\u2500 com\/\n\u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 example\/\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 HighConcurrencyTimerExample.java\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 ThreadPoolExample.java\n\u2502   \u251c\u2500\u2500 test\/\n\u2502   \u2502   \u251c\u2500\u2500 java\/\n\u2502   \u2502   \u2502   \u251c\u2500\u2500 com\/\n\u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 example\/\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 HighConcurrencyTimerExampleTest.java\n\u2502   \u2502   \u2502   \u2502   \u2502   \u251c\u2500\u2500 ThreadPoolExampleTest.java\n\u251c\u2500\u2500 pom.xml<\/code><\/pre>\n
\u4ee3\u7801\u6587\u4ef6<\/h3>\n
HighConcurrencyTimerExample.java<\/strong><\/p>\n
package com.example;\n\nimport io.netty.util.HashedWheelTimer;\nimport io.netty.util.Timeout;\nimport io.netty.util.TimerTask;\n\nimport java.util.concurrent.TimeUnit;\n\npublic class HighConcurrencyTimerExample {\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u4e00\u4e2aHashedWheelTimer\u5b9e\u4f8b\uff0c\u65f6\u95f4\u8f6e\u7684\u7cbe\u5ea6\u4e3a1\u6beb\u79d2\uff0c\u69fd\u6570\u4e3a1024\n        HashedWheelTimer timer = new HashedWheelTimer(1, TimeUnit.MILLISECONDS, 1024);\n\n        \/\/ \u521b\u5efa\u5e76\u6dfb\u52a0100\u4e07\u4e2a\u5b9a\u65f6\u4efb\u52a1\n        for (int i = 0; i < 1000000; i++) {\n            timer.newTimeout(new TimerTask() {\n                @Override\n                public void run(Timeout timeout) {\n                    System.out.println("Task executed at: " + new java.util.Date());\n                }\n            }, 1, TimeUnit.SECONDS);\n        }\n\n        \/\/ \u5173\u95ed\u5b9a\u65f6\u5668\n        Runtime.getRuntime().addShutdownHook(new Thread(timer::stop));\n    }\n}<\/code><\/pre>\n
ThreadPoolExample.java<\/strong><\/p>\n
package com.example;\n\nimport java.util.concurrent.Executors;\nimport java.util.concurrent.ScheduledExecutorService;\nimport java.util.concurrent.TimeUnit;\n\npublic class ThreadPoolExample {\n    public static void main(String[] args) {\n        ScheduledExecutorService executorService = Executors.newScheduledThreadPool(10);\n        for (int i = 0; i < 1000000; i++) {\n            executorService.schedule(() -> System.out.println("Task executed at: " + new java.util.Date()), 1, TimeUnit.SECONDS);\n        }\n        executorService.shutdown();\n    }\n}<\/code><\/pre>\n
pom.xml<\/strong><\/p>\n
<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0"\n         xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"\n         xsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 http:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd">\n    <modelVersion>4.0.0<\/modelVersion>\n    <groupId>com.example<\/groupId>\n    <artifactId>HighConcurrencyTimerProject<\/artifactId>\n    <version>1.0-SNAPSHOT<\/version>\n    <dependencies>\n        <dependency>\n            <groupId>io.netty<\/groupId>\n            <artifactId>netty-all<\/artifactId>\n            <version>4.1.68.Final<\/version>\n        <\/dependency>\n    <\/dependencies>\n<\/project><\/code><\/pre>\n
\u6784\u5efa\u9879\u76ee<\/h3>\n