\u76d1\u63a7\u4e0e\u65e5\u5fd7：\u4f7f\u7528Prometheus\u548cGrafana\u8fdb\u884c\u76d1\u63a7，ELK Stack（Elasticsearch, Logstash, Kibana）\u8fdb\u884c\u65e5\u5fd7\u7ba1\u7406\u3002<\/p>\n<\/li>\n
\u67b6\u6784\u56fe<\/h2>\n
![\"3a98191418f9812e144209db6514ca66.png\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419080115-6803584b002c7.png\")
<\/p>\n
\u5177\u4f53\u914d\u7f6e\u53c2\u6570<\/h2>\nSpring Boot<\/h3>\n\n- \n
server.tomcat.max-threads=100:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u6bcf\u4e2a\u7ebf\u7a0b\u5927\u7ea6\u5360\u7528\u7ea61MB\u5806\u6808\u7a7a\u95f4\u3002\u4e3a\u4e86\u5e73\u8861\u5e76\u53d1\u80fd\u529b\u548c\u5185\u5b58\u4f7f\u7528，\u6211\u4eec\u9700\u8981\u4e3a\u5176\u4ed6\u7ec4\u4ef6\u7559\u51fa\u8db3\u591f\u7684\u5185\u5b58\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u5047\u8bbe\u6bcf\u4e2a\u7ebf\u7a0b\u5360\u75281MB\u5806\u6808\u7a7a\u95f4，4GB\u5185\u5b58\u4e2d\u7559\u51fa2.5GB\u7528\u4e8e\u5176\u4ed6\u670d\u52a1（\u5305\u62ecMySQL\u3001Redis\u3001RabbitMQ\u7b49），\u5269\u4e0b1.5GB\u53ef\u7528\u4e8eTomcat\u7ebf\u7a0b\u6c60\u3002\u56e0\u6b64，\u6700\u591a\u652f\u6301\u7ea61500\u4e2a\u7ebf\u7a0b\u3002\u7136\u800c，\u8bbe\u7f6e\u4e3a100\u662f\u4e3a\u4e86\u5e73\u8861\u5e76\u53d1\u80fd\u529b\u548c\u5185\u5b58\u4f7f\u7528，\u5e76\u786e\u4fdd\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
server.connection-timeout=10s:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u8bbe\u7f6e\u8f83\u77ed\u7684\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u53ef\u4ee5\u51cf\u5c11\u957f\u65f6\u95f4\u6302\u8d77\u7684\u65e0\u6548\u8fde\u63a5，\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 10\u79d2\u662f\u4e00\u4e2a\u5408\u7406\u7684\u9ed8\u8ba4\u503c，\u65e2\u4e0d\u4f1a\u592a\u77ed\u5bfc\u81f4\u6b63\u5e38\u8bf7\u6c42\u88ab\u4e2d\u65ad，\u4e5f\u4e0d\u4f1a\u592a\u957f\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
MySQL<\/h3>\n\n- \n
max_connections=50:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u6bcf\u4e2a\u8fde\u63a5\u9700\u8981\u4e00\u5b9a\u7684\u5185\u5b58\u5f00\u9500\u3002\u57284GB\u5185\u5b58\u4e2d，\u7559\u51fa\u5927\u90e8\u5206\u5185\u5b58\u7ed9\u5e94\u7528\u7a0b\u5e8f\u548c\u5176\u4ed6\u670d\u52a1\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u6839\u636e\u7ecf\u9a8c，\u6bcf\u4e2aMySQL\u8fde\u63a5\u5927\u7ea6\u5360\u7528\u51e0MB\u5185\u5b58\u3002\u5047\u8bbe\u6bcf\u4e2a\u8fde\u63a5\u5360\u75288MB\u5185\u5b58，50\u4e2a\u8fde\u63a5\u5927\u7ea6\u5360\u7528400MB\u5185\u5b58，\u7559\u51fa\u8db3\u591f\u5185\u5b58\u7ed9\u5176\u4ed6\u7ec4\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
innodb_buffer_pool_size=768M:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: InnoDB\u7f13\u51b2\u6c60\u662fMySQL\u6027\u80fd\u7684\u5173\u952e，\u7528\u4e8e\u7f13\u5b58\u6570\u636e\u548c\u7d22\u5f15\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u57284GB\u5185\u5b58\u4e2d，\u5206\u914d768MB\u7ed9InnoDB\u7f13\u51b2\u6c60\u662f\u4e00\u4e2a\u5408\u7406\u7684\u9009\u62e9，\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u7981\u7528\u67e5\u8be2\u7f13\u5b58:<\/p>\n
\n- \n
\u539f\u56e0: \u67e5\u8be2\u7f13\u5b58\u5728MySQL 8.0\u4e2d\u5df2\u88ab\u79fb\u9664，\u56e0\u6b64\u4e0d\u9700\u8981\u989d\u5916\u914d\u7f6e\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
Redis<\/h3>\n\n- \n
maxmemory=512M:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: Redis\u4e3b\u8981\u7528\u4e8e\u7f13\u5b58\u6570\u636e，\u5206\u914d\u8db3\u591f\u7684\u5185\u5b58\u4ee5\u5b58\u50a8\u5e38\u7528\u6570\u636e\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u57284GB\u5185\u5b58\u4e2d，\u5206\u914d512MB\u7ed9Redis\u662f\u4e00\u4e2a\u5408\u7406\u7684\u9009\u62e9，\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u5e94\u7528\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
maxmemory-policy=allkeys-lru:<\/p>\n
\n- \n
\u539f\u56e0: LRU（Least Recently Used）\u7b56\u7565\u4f1a\u5728\u5185\u5b58\u8fbe\u5230\u4e0a\u9650\u65f6\u79fb\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u952e，\u786e\u4fdd\u7f13\u5b58\u7684\u6709\u6548\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
RabbitMQ<\/h3>\n\n- \n
vm_memory_high_watermark.relative=0.3:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u63a7\u5236RabbitMQ\u7684\u5185\u5b58\u4f7f\u7528，\u9632\u6b62\u5185\u5b58\u4e0d\u8db3\u5f71\u54cd\u5176\u4ed6\u670d\u52a1\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u76f8\u5bf9\u5185\u5b58\u6c34\u4f4d\u8bbe\u7f6e\u4e3a0.3\u610f\u5473\u7740\u5f53\u53ef\u7528\u5185\u5b58\u4f4e\u4e8e30%\u65f6，RabbitMQ\u4f1a\u5f00\u59cb\u62d2\u7edd\u65b0\u7684\u6d88\u606f\u53d1\u5e03，\u786e\u4fdd\u6709\u8db3\u591f\u7684\u5185\u5b58\u4f9b\u5176\u4ed6\u7ec4\u4ef6\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
Nginx<\/h3>\n\n- \n
worker_processes=2:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u53cc\u6838CPU\u9002\u5408\u8fd0\u884c\u4e24\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u6bcf\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u53ef\u4ee5\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42，\u4e24\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u5145\u5206\u5229\u7528\u53cc\u6838CPU\u7684\u80fd\u529b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
worker_connections=1024:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u6bcf\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u53ef\u4ee5\u5904\u7406\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 1024\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9ed8\u8ba4\u503c，\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u3002\u57284GB\u5185\u5b58\u4e2d，\u8fd9\u4e2a\u8bbe\u7f6e\u662f\u5408\u7406\u7684\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
Prometheus & Grafana<\/h3>\n\n- \n
scrape_interval=15s:<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: \u6293\u53d6\u6307\u6807\u7684\u65f6\u95f4\u95f4\u9694，\u8fc7\u77ed\u4f1a\u5f71\u54cd\u6027\u80fd，\u8fc7\u957f\u4f1a\u5bfc\u81f4\u76d1\u63a7\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 15\u79d2\u662f\u4e00\u4e2a\u5408\u7406\u7684\u6298\u8877\u503c，\u65e2\u80fd\u53ca\u65f6\u83b7\u53d6\u6307\u6807，\u53c8\u4e0d\u4f1a\u8fc7\u4e8e\u9891\u7e41\u5730\u6d88\u8017\u8d44\u6e90\u3002<\/p>\n<\/li>\n
- \n
Grafana\u7528\u4e8e\u53ef\u89c6\u5316\u76d1\u63a7\u6570\u636e<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
ELK Stack<\/h3>\n\n- \n
Elasticsearch\u5806\u5185\u5b58 (Xms=256m Xmx=256m):<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: Elasticsearch\u9700\u8981\u8db3\u591f\u7684\u5806\u5185\u5b58\u6765\u9ad8\u6548\u5730\u5904\u7406\u6570\u636e\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u5206\u914d256MB\u5806\u5185\u5b58\u7ed9Elasticsearch，\u7559\u51fa\u8db3\u591f\u7684\u5185\u5b58\u7ed9\u5176\u4ed6\u7ec4\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
Logstash\u6279\u5904\u7406\u5927\u5c0f (pipeline.batch.size=125):<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: Logstash\u6279\u5904\u7406\u5927\u5c0f\u51b3\u5b9a\u4e86\u6bcf\u6b21\u5904\u7406\u7684\u65e5\u5fd7\u6570\u91cf\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 125\u662f\u4e00\u4e2a\u5408\u7406\u7684\u6279\u91cf\u5927\u5c0f，\u53ef\u4ee5\u5728\u4e0d\u663e\u8457\u589e\u52a0\u5185\u5b58\u4f7f\u7528\u7684\u60c5\u51b5\u4e0b\u63d0\u9ad8\u5904\u7406\u6548\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
Kibana\u76d1\u542c\u7aef\u53e3 (server.port=5601):<\/p>\n
\n- \n
\u8003\u8651\u56e0\u7d20: Kibana\u7684\u9ed8\u8ba4\u76d1\u542c\u7aef\u53e3\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 5601\u662f\u4e00\u4e2a\u6807\u51c6\u7684\u7aef\u53e3\u53f7，\u7528\u4e8e\u8bbf\u95eeKibana\u754c\u9762\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u9884\u4f30\u5185\u5b58<\/h2>\n
\u4ece\u4e0a\u9762\u7684\u914d\u7f6e\u9884\u4f30\u4e00\u4e0b\u5185\u5b58\u662f\u5426\u8d85\u8fc7\u4e864GB？<\/p>\n
\u8ba1\u7b97\u5982\u4e0b：\u00a0<\/p>\n
Spring Boot Tomcat Threads: 100 threads * 1MB\/thread = 100MB\u00a0<\/p>\n
MySQL Connections: 50 connections * 8MB\/connection = 400MB\u00a0<\/p>\n
MySQL InnoDB Buffer Pool: 768MB\u00a0<\/p>\n
Redis: 512MB\u00a0<\/p>\n
RabbitMQ: 100MB (\u5927\u6982\u4f30\u4e00\u4e0b\u800c\u5df2)\u00a0<\/p>\n
Nginx: 4MB (\u7528\u4e8e2\u4e2a\u5de5\u4f5c\u8fdb\u7a0b，\u6bcf\u4e2a\u8fdb\u7a0b\u67091024\u4e2a\u8fde\u63a5)\u00a0<\/p>\n
Prometheus: \u5185\u5b58\u4f7f\u7528\u7387\u6781\u4f4e，\u76f8\u6bd4\u4e4b\u4e0b\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u00a0<\/p>\n
Elasticsearch: 256MB (\u521d\u59cb\u5806\u5927\u5c0f\u548c\u6700\u5927\u5806\u5927\u5c0f)\u00a0<\/p>\n
Logstash: \u5185\u5b58\u4f7f\u7528\u7387\u6781\u4f4e，\u76f8\u6bd4\u4e4b\u4e0b\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u00a0<\/p>\n
Kibana: \u5185\u5b58\u4f7f\u7528\u7387\u6781\u4f4e，\u76f8\u6bd4\u4e4b\u4e0b\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1<\/p>\n
\u603b\u8ba1\u7ea6\u4e3a:<\/h3>\n
100MB+400MB+768MB+512MB+100MB+4MB+256MB=2140MB \u2248 2.14GB<\/p>\n
\u4ecd\u7136\u5728 4GB \u7684\u5185\u5b58\u9650\u5236\u8303\u56f4\u5185，\u786e\u4fdd\u7cfb\u7edf\u6709\u8db3\u591f\u7684\u5185\u5b58\u6765\u8fd0\u884c\u6240\u6709\u7ec4\u4ef6\u3002<\/p>\n
\u540e\u7aef<\/h2>\npom.xml<\/h3>\n
<?xml version="1.0"\u00a0encoding="UTF-8"?>
\n<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0"
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0xsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd">
\n\u00a0 \u00a0 <modelVersion>4.0.0<\/modelVersion>
\n\u00a0 \u00a0 <parent>
\n\u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-parent<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <version>2.7.5<\/version>
\n\u00a0 \u00a0 \u00a0 \u00a0 <relativePath\/> <!– lookup parent from repository –>
\n\u00a0 \u00a0 <\/parent>
\n\u00a0 \u00a0 <groupId>com.example<\/groupId>
\n\u00a0 \u00a0 <artifactId>demo<\/artifactId>
\n\u00a0 \u00a0 <version>0.0.1-SNAPSHOT<\/version>
\n\u00a0 \u00a0 <name>demo<\/name>
\n\u00a0 \u00a0 <description>Demo project\u00a0for\u00a0Spring Boot<\/description>
\n\u00a0 \u00a0 <properties>
\n\u00a0 \u00a0 \u00a0 \u00a0 <java.version>11<\/java.version>
\n\u00a0 \u00a0 <\/properties>
\n\u00a0 \u00a0 <dependencies>
\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Spring Boot Starter Web –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-web<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– Spring Boot Starter Data JPA –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-data-jpa<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– MySQL Connector –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>mysql<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>mysql-connector-java<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <scope>runtime<\/scope>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– Redis –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-data-redis<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– RabbitMQ –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-amqp<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– Actuator\u00a0for\u00a0Monitoring –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-actuator<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– Micrometer Prometheus Integration –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>io.micrometer<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>micrometer-registry-prometheus<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– Spring Boot DevTools\u00a0for\u00a0Development –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-devtools<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <scope>runtime<\/scope>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <optional>true<\/optional>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 <!– Test Dependencies –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-test<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <scope>test<\/scope>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency>
\n\u00a0 \u00a0 <\/dependencies><\/p>\n
\u00a0 \u00a0 <build>
\n\u00a0 \u00a0 \u00a0 \u00a0 <plugins>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <plugin>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-maven-plugin<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/plugin>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/plugins>
\n\u00a0 \u00a0 <\/build>
\n<\/project> <\/p>\n
src\/main\/resources\/application.properties<\/h3>\n
# \u670d\u52a1\u5668\u914d\u7f6e
\nserver.port=8080\u00a0# \u8bbe\u7f6e\u670d\u52a1\u5668\u7aef\u53e3\u4e3a8080
\nserver.tomcat.max-threads=100\u00a0# \u6bcf\u4e2a\u7ebf\u7a0b\u5927\u7ea6\u5360\u7528\u7ea61MB\u5806\u6808\u7a7a\u95f4，4GB\u5185\u5b58\u4e2d\u7559\u51fa2.5GB\u7528\u4e8e\u5176\u4ed6\u670d\u52a1，\u5269\u4e0b1.5GB\u53ef\u7528\u4e8eTomcat\u7ebf\u7a0b\u6c60
\nserver.connection-timeout=10s\u00a0# \u8bbe\u7f6e\u8f83\u77ed\u7684\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u53ef\u4ee5\u51cf\u5c11\u957f\u65f6\u95f4\u6302\u8d77\u7684\u65e0\u6548\u8fde\u63a5，\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387<\/p>\n
# \u6570\u636e\u5e93\u914d\u7f6e
\nspring.datasource.url=jdbc:mysql:\/\/localhost:3306\/mydatabase?useSSL=false&serverTimezone=UTC\u00a0# \u6570\u636e\u5e93\u8fde\u63a5URL
\nspring.datasource.username=root\u00a0# \u6570\u636e\u5e93\u7528\u6237\u540d
\nspring.datasource.password=password\u00a0# \u6570\u636e\u5e93\u5bc6\u7801
\nspring.jpa.hibernate.ddl-auto=update\u00a0# \u81ea\u52a8\u66f4\u65b0\u6570\u636e\u5e93\u6a21\u5f0f
\nspring.jpa.show-sql=true# \u663e\u793aSQL\u8bed\u53e5
\nspring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect\u00a0# \u4f7f\u7528MySQL InnoDB\u65b9\u8a00<\/p>\n
# Redis\u914d\u7f6e
\nspring.redis.host=localhost\u00a0# Redis\u4e3b\u673a\u5730\u5740
\nspring.redis.port=6379\u00a0# Redis\u7aef\u53e3\u53f7<\/p>\n
# RabbitMQ\u914d\u7f6e
\nspring.rabbitmq.host=localhost\u00a0# RabbitMQ\u4e3b\u673a\u5730\u5740
\nspring.rabbitmq.port=5672\u00a0# RabbitMQ\u7aef\u53e3\u53f7
\nspring.rabbitmq.username=guest\u00a0# RabbitMQ\u7528\u6237\u540d
\nspring.rabbitmq.password=guest\u00a0# RabbitMQ\u5bc6\u7801<\/p>\n
# Actuator\u548cPrometheus\u914d\u7f6e
\nmanagement.endpoints.web.exposure.include=*\u00a0# \u66b4\u9732\u6240\u6709Actuator\u7aef\u70b9
\nmanagement.endpoint.health.show-details=always\u00a0# \u59cb\u7ec8\u663e\u793a\u5065\u5eb7\u68c0\u67e5\u8be6\u60c5
\nmanagement.metrics.export.prometheus.enabled=true# \u542f\u7528Prometheus\u6307\u6807\u5bfc\u51fa <\/p>\n
Java\u4ee3\u7801<\/h3>\n
\u7b80\u5355\u641e\u641e\u4e00\u4e2aSpring Boot\u5e94\u7528\u7c7b\u3001\u63a7\u5236\u5668\u7c7b\u4ee5\u53ca\u6d88\u606f\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005，\u80fd\u8d77\u5230\u6559\u80b2\u5206\u4eab\u4f5c\u7528\u5c31\u884c\u4e86\u3002\u5927\u5bb6\u60f3\u8c61\u4e00\u4e0b\u5c31\u884c\u5566\u3002<\/p>\n
package com.example.demo;<\/p>\n
import org.springframework.amqp.core.Queue;
\nimport org.springframework.amqp.rabbit.core.RabbitTemplate;
\nimport org.springframework.beans.factory.annotation.Autowired;
\nimport org.springframework.boot.SpringApplication;
\nimport org.springframework.boot.autoconfigure.SpringBootApplication;
\nimport org.springframework.context.annotation.Bean;
\nimport org.springframework.stereotype.Component;
\nimport org.springframework.web.bind.annotation.GetMapping;
\nimport org.springframework.web.bind.annotation.RequestParam;
\nimport org.springframework.web.bind.annotation.RestController;<\/p>\n
@SpringBootApplication
\npublic class DemoApplication {<\/p>\n
\u00a0 \u00a0 @Autowired
\n\u00a0 \u00a0 private RabbitTemplate rabbitTemplate;<\/p>\n
\u00a0 \u00a0 public static void main(String[] args) {
\n\u00a0 \u00a0 \u00a0 \u00a0 SpringApplication.run(DemoApplication.class, args);
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 @Bean
\n\u00a0 \u00a0 public Queue\u00a0queue() {
\n\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0new Queue("tasks",\u00a0false); \/\/ \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a"tasks"\u7684\u961f\u5217
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 @RestController
\n\u00a0 \u00a0 class HelloController {
\n\u00a0 \u00a0 \u00a0 \u00a0 @GetMapping("\/hello")
\n\u00a0 \u00a0 \u00a0 \u00a0 public String sayHello(@RequestParam String name) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 rabbitTemplate.convertAndSend("tasks",\u00a0"Hello, "\u00a0+ name +\u00a0"!"); \/\/ \u53d1\u9001\u6d88\u606f\u5230\u961f\u5217
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0return"Message sent to queue!";
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 \/\/ Example Consumer
\n\u00a0 \u00a0 @Component
\n\u00a0 \u00a0 class MessageConsumer {
\n\u00a0 \u00a0 \u00a0 \u00a0 @RabbitListener(queues =\u00a0"tasks")
\n\u00a0 \u00a0 \u00a0 \u00a0 public void receiveMessage(String message) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 System.out.println("Received message: "\u00a0+ message); \/\/ \u6253\u5370\u63a5\u6536\u5230\u7684\u6d88\u606f
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ Process the message here (e.g., send email, SMS)
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }
\n} <\/p>\n
\u524d\u7aef (React.js)<\/h2>\n
\u7b80\u5355\u4f8b\u5b50\u4f5c\u7528\u662f\u5c55\u793a\u524d\u7aef\u8c03\u7528\u540e\u7aefAPI\u3002<\/p>\n
import React, { useEffect, useState } from\u00a0'react';
\nimport axios from\u00a0'axios';<\/p>\n
functionApp() {
\n\u00a0 const [message, setMessage] = useState('');<\/p>\n
\u00a0 useEffect(() => {
\n\u00a0 \u00a0 axios.get('\/api\/hello?name=World') \/\/ \u8c03\u7528\u540e\u7aefAPI
\n\u00a0 \u00a0 \u00a0 .then(response => {
\n\u00a0 \u00a0 \u00a0 \u00a0 setMessage(response.data); \/\/ \u66f4\u65b0\u72b6\u6001
\n\u00a0 \u00a0 \u00a0 })
\n\u00a0 \u00a0 \u00a0 .catch(error => {
\n\u00a0 \u00a0 \u00a0 \u00a0 console.error('There was an error fetching the message!', error); \/\/ \u9519\u8bef\u5904\u7406
\n\u00a0 \u00a0 \u00a0 });
\n\u00a0 }, []);<\/p>\n
return\u00a0(
\n\u00a0 \u00a0 <div className="App">
\n\u00a0 \u00a0 \u00a0 <header className="App-header">
\n\u00a0 \u00a0 \u00a0 \u00a0 <h1>{message}<\/h1> {\/* \u663e\u793a\u6d88\u606f *\/}
\n\u00a0 \u00a0 \u00a0 <\/header>
\n\u00a0 \u00a0 <\/div>
\n\u00a0 );
\n}<\/p>\n
export\u00a0default App; <\/p>\n
Nginx\u914d\u7f6e<\/h2>\n
\u7528\u4e8e\u4ee3\u7406\u8bf7\u6c42\u5230Spring Boot\u5e94\u7528\u548c\u63d0\u4f9b\u9759\u6001\u6587\u4ef6\u670d\u52a1\u3002<\/p>\n
user nginx;\u00a0# \u4f7f\u7528nginx\u7528\u6237\u8fd0\u884cNginx
\nworker_processes 2;\u00a0# \u53cc\u6838CPU\u9002\u5408\u8fd0\u884c\u4e24\u4e2a\u5de5\u4f5c\u8fdb\u7a0b
\npid \/run\/nginx.pid;\u00a0# PID\u6587\u4ef6\u8def\u5f84<\/p>\n
events {
\n\u00a0 \u00a0 worker_connections 1024;\u00a0# \u6bcf\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u53ef\u4ee5\u5904\u7406\u7684\u6700\u5927\u8fde\u63a5\u6570
\n}<\/p>\n
http {
\n\u00a0 \u00a0 include \/etc\/nginx\/mime.types;\u00a0# \u5305\u542bMIME\u7c7b\u578b\u5b9a\u4e49
\n\u00a0 \u00a0 default_type application\/octet-stream;\u00a0# \u9ed8\u8ba4MIME\u7c7b\u578b<\/p>\n
\u00a0 \u00a0 sendfile on;\u00a0# \u5f00\u542fsendfile\u4ee5\u63d0\u9ad8\u6027\u80fd
\n\u00a0 \u00a0 keepalive_timeout 65;\u00a0# \u4fdd\u6301\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4<\/p>\n
\u00a0 \u00a0 server {
\n\u00a0 \u00a0 \u00a0 \u00a0 listen 80;\u00a0# \u76d1\u542c80\u7aef\u53e3
\n\u00a0 \u00a0 \u00a0 \u00a0 server_name yourdomain.com;\u00a0# \u670d\u52a1\u5668\u540d\u79f0<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 location \/api\/ {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_pass http:\/\/localhost:8080\/;\u00a0# \u5c06\/api\/\u8def\u5f84\u7684\u8bf7\u6c42\u4ee3\u7406\u5230Spring Boot\u5e94\u7528
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header Host\u00a0$host;\u00a0# \u8bbe\u7f6e\u8f6c\u53d1\u8bf7\u6c42\u5934
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header X-Real-IP\u00a0$remote_addr;\u00a0# \u8bbe\u7f6e\u771f\u5b9eIP
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header X-Forwarded-For\u00a0$proxy_add_x_forwarded_for;\u00a0# \u8bbe\u7f6e\u8f6c\u53d1\u94fe\u8def\u4fe1\u606f
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header X-Forwarded-Proto\u00a0$scheme;\u00a0# \u8bbe\u7f6e\u534f\u8bae\u4fe1\u606f
\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 location \/ {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 root \/var\/www\/html;\u00a0# \u9759\u6001\u6587\u4ef6\u6839\u76ee\u5f55
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 index index.html;\u00a0# \u9ed8\u8ba4\u7d22\u5f15\u6587\u4ef6
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 try_files\u00a0$uri$uri\/ \/index.html;\u00a0# \u5c1d\u8bd5\u5339\u914d\u6587\u4ef6\u6216\u91cd\u5b9a\u5411\u5230index.html
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }
\n} <\/p>\n
MySQL\u914d\u7f6e (my.cnf)<\/h2>\n
[mysqld]
\nbind-address = 127.0.0.1\u00a0# \u7ed1\u5b9a\u5230\u672c\u5730\u5730\u5740
\nport = 3306\u00a0# MySQL\u7aef\u53e3\u53f7<\/p>\n
default-storage-engine = InnoDB\u00a0# \u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\u4e3aInnoDB
\ncharacter-set-server = utf8mb4\u00a0# \u5b57\u7b26\u96c6\u8bbe\u7f6e\u4e3autf8mb4
\ncollation-server = utf8mb4_unicode_ci\u00a0# \u6392\u5e8f\u89c4\u5219\u8bbe\u7f6e\u4e3autf8mb4_unicode_ci<\/p>\n
max_connections = 50\u00a0# \u6700\u5927\u8fde\u63a5\u6570，\u6bcf\u4e2a\u8fde\u63a5\u5927\u7ea6\u5360\u7528\u51e0MB\u5185\u5b58
\ninnodb_buffer_pool_size = 768M\u00a0# InnoDB\u7f13\u51b2\u6c60\u5927\u5c0f，\u7528\u4e8e\u7f13\u5b58\u6570\u636e\u548c\u7d22\u5f15
\nthread_cache_size = 8\u00a0# \u7ebf\u7a0b\u7f13\u5b58\u5927\u5c0f，\u51cf\u5c11\u7ebf\u7a0b\u521b\u5efa\u5f00\u9500
\nquery_cache_type = 0\u00a0# \u7981\u7528\u67e5\u8be2\u7f13\u5b58（MySQL 8.0\u4e2d\u5df2\u88ab\u79fb\u9664）
\nquery_cache_size = 0\u00a0# \u67e5\u8be2\u7f13\u5b58\u5927\u5c0f\u8bbe\u7f6e\u4e3a0<\/p>\n
log_error = \/var\/log\/mysql\/error.log\u00a0# \u9519\u8bef\u65e5\u5fd7\u8def\u5f84
\nslow_query_log = 1\u00a0# \u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7
\nslow_query_log_file = \/var\/log\/mysql\/slow-query.log\u00a0# \u6162\u67e5\u8be2\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84
\nlong_query_time = 2\u00a0# \u6162\u67e5\u8be2\u9608\u503c，\u8d85\u8fc72\u79d2\u7684\u67e5\u8be2\u4f1a\u88ab\u8bb0\u5f55 <\/p>\n
Redis\u914d\u7f6e (redis.conf)<\/h2>\n
bind\u00a0127.0.0.1\u00a0# \u7ed1\u5b9a\u5230\u672c\u5730\u5730\u5740
\nport 6379\u00a0# Redis\u7aef\u53e3\u53f7<\/p>\n
daemonize yes\u00a0# \u4ee5\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b\u65b9\u5f0f\u8fd0\u884c
\nsupervised systemd\u00a0# \u4f7f\u7528systemd\u7ba1\u7406<\/p>\n
pidfile \/var\/run\/redis_6379.pid\u00a0# PID\u6587\u4ef6\u8def\u5f84
\nlogfile \/var\/log\/redis\/redis-server.log\u00a0# \u65e5\u5fd7\u6587\u4ef6\u8def\u5f84<\/p>\n
databases 16\u00a0# \u6570\u636e\u5e93\u6570\u91cf<\/p>\n
save 900 1\u00a0# \u6bcf900\u79d2\u81f3\u5c11\u4fdd\u5b581\u6b21\u66f4\u6539
\nsave 300 10\u00a0# \u6bcf300\u79d2\u81f3\u5c11\u4fdd\u5b5810\u6b21\u66f4\u6539
\nsave 60 10000\u00a0# \u6bcf60\u79d2\u81f3\u5c11\u4fdd\u5b5810000\u6b21\u66f4\u6539<\/p>\n
stop-writes-on-bgsave-error no\u00a0# \u540e\u53f0\u4fdd\u5b58\u9519\u8bef\u65f6\u4e0d\u505c\u6b62\u5199\u64cd\u4f5c<\/p>\n
rdbcompression yes\u00a0# \u542f\u7528RDB\u5feb\u7167\u538b\u7f29<\/p>\n
dir \/var\/lib\/redis\u00a0# \u6570\u636e\u76ee\u5f55<\/p>\n
maxmemory 512M\u00a0# \u6700\u5927\u5185\u5b58\u4f7f\u7528\u91cf
\nmaxmemory-policy allkeys-lru\u00a0# \u5185\u5b58\u8fbe\u5230\u4e0a\u9650\u65f6\u4f7f\u7528LRU\u7b56\u7565\u79fb\u9664\u952e <\/p>\n
RabbitMQ\u914d\u7f6e<\/h2>\n
[
\n\u00a0 {rabbit, [
\n\u00a0 \u00a0 {vm_memory_high_watermark_relative, 0.3}, % \u76f8\u5bf9\u5185\u5b58\u6c34\u4f4d\u8bbe\u7f6e\u4e3a0.3，\u5f53\u53ef\u7528\u5185\u5b58\u4f4e\u4e8e30%\u65f6\u5f00\u59cb\u62d2\u7edd\u65b0\u6d88\u606f\u53d1\u5e03
\n\u00a0 \u00a0 {disk_free_limit, {mem_relative, 0.2}}, % \u78c1\u76d8\u7a7a\u95f4\u9650\u5236\u4e3a\u5185\u5b58\u768420%
\n\u00a0 \u00a0 {tcp_listen_options, [binary, {packet, raw}, {reuseaddr,\u00a0true}, {backlog, 128}, {nodelay,\u00a0true}]} % TCP\u76d1\u542c\u9009\u9879
\n\u00a0 ]}
\n]. <\/p>\n
Prometheus\u914d\u7f6e (prometheus.yml)<\/h2>\n
global:
\n\u00a0 scrape_interval: 15s\u00a0# \u6293\u53d6\u6307\u6807\u7684\u65f6\u95f4\u95f4\u9694\u4e3a15\u79d2<\/p>\n
scrape_configs:
\n\u00a0 – job_name:\u00a0'spring-boot'
\n\u00a0 \u00a0 metrics_path:\u00a0'\/actuator\/prometheus'\u00a0# \u6307\u6807\u8def\u5f84
\n\u00a0 \u00a0 static_configs:
\n\u00a0 \u00a0 \u00a0 – targets: ['localhost:8080']\u00a0# \u76ee\u6807\u5730\u5740 <\/p>\n
ELK Stack\u914d\u7f6e<\/h2>\nElasticsearch (elasticsearch.yml)<\/h3>\n
cluster.name:\u00a0my-application# \u96c6\u7fa4\u540d\u79f0
\nnode.name:node-1# \u8282\u70b9\u540d\u79f0
\nnetwork.host:127.0.0.1# \u7ed1\u5b9a\u5230\u672c\u5730\u5730\u5740
\nhttp.port:9200# HTTP\u7aef\u53e3\u53f7
\ndiscovery.type:single-node# \u5355\u8282\u70b9\u96c6\u7fa4
\nbootstrap.memory_lock:true# \u9501\u5b9aJVM\u5185\u5b58
\nxpack.security.enabled:false# \u5173\u95ed\u5b89\u5168\u7279\u6027<\/p>\n
path.logs:\/var\/log\/elasticsearch# \u65e5\u5fd7\u8def\u5f84
\npath.data:\/var\/lib\/elasticsearch# \u6570\u636e\u8def\u5f84<\/p>\n
indices.query.bool.max_clause_count:1024# \u6700\u5927\u5e03\u5c14\u5b50\u53e5\u6570<\/p>\n
jvm.options:
\n-Xms256m# JVM\u521d\u59cb\u5806\u5185\u5b58
\n-Xmx256m# JVM\u6700\u5927\u5806\u5185\u5b58 <\/p>\n
Logstash (logstash.conf)<\/h3>\n
input {
\n\u00a0 file {
\n\u00a0 \u00a0 path => "\/var\/log\/application\/*.log" # \u8f93\u5165\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84
\n\u00a0 \u00a0 start_position => "beginning" # \u4ece\u6587\u4ef6\u5f00\u5934\u8bfb\u53d6
\n\u00a0 }
\n}<\/p>\n
output {
\n\u00a0 elasticsearch {
\n\u00a0 \u00a0 hosts => ["http:\/\/localhost:9200"] # Elasticsearch\u4e3b\u673a\u5730\u5740
\n\u00a0 \u00a0 index => "application-logs-%{+YYYY.MM.dd}" # \u7d22\u5f15\u6a21\u677f
\n\u00a0 }
\n} <\/p>\n
Kibana (kibana.yml)<\/h3>\n
server.host:\u00a0"0.0.0.0"\u00a0# \u76d1\u542c\u6240\u6709\u7f51\u7edc\u63a5\u53e3
\nserver.port:\u00a05601\u00a0# \u76d1\u542c\u7aef\u53e3\u53f7
\nelasticsearch.hosts:\u00a0["http:\/\/localhost:9200"]\u00a0# Elasticsearch\u4e3b\u673a\u5730\u5740
\nmonitoring.ui.container.elasticsearch.enabled:\u00a0false\u00a0# \u5173\u95ed\u5bb9\u5668\u76d1\u63a7
\nlogging.verbose:\u00a0false\u00a0# \u4e0d\u542f\u7528\u8be6\u7ec6\u65e5\u5fd7 <\/p>\n
\u5173\u6ce8\u6211，\u9001Java\u798f\u5229<\/h2>\n
\/**
\n\u00a0* \u8fd9\u6bb5\u4ee3\u7801\u53ea\u6709Java\u5f00\u53d1\u8005\u624d\u80fd\u770b\u5f97\u61c2！
\n\u00a0* \u5173\u6ce8\u6211\u5fae\u4fe1\u516c\u4f17\u53f7\u4e4b\u540e，
\n\u00a0* \u53d1\u9001:"666"，
\n\u00a0* \u5373\u53ef\u83b7\u5f97\u4e00\u672c\u7531Java\u5927\u795e\u4e00\u624b\u9762\u8bd5\u7ecf\u9a8c\u8bda\u610f\u51fa\u54c1
\n\u00a0* \u300aJava\u5f00\u53d1\u8005\u9762\u8bd5\u767e\u5b9d\u4e66\u300bPdf\u7535\u5b50\u4e66
\n\u00a0* \u798f\u5229\u622a\u6b62\u65e5\u671f\u4e3a2025\u5e7401\u670830\u65e5\u6b62
\n\u00a0* \u624b\u5feb\u6709\u624b\u6162\u6ca1！！！
\n*\/
\nSystem.out.println("\u8bf7\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7：");
\nSystem.out.println("Java\u77e5\u8bc6\u65e5\u5386"); <\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb882\u6b21\uff0c\u70b9\u8d5e20\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5f53\u4f60\u63a5\u4e86\u4e00\u7b14\u5341\u5206\u62a0\u95e8\u5c0f\u8001\u677f\u7684\u79c1\u6d3b\u8ba2\u5355\uff0c\u4ed6\u53ea\u6709\u4e00\u53f0\u53cc\u68384G\u5185\u5b58\u7684\u670d\u52a1\u5668\uff0c\u4ec5\u6b64\u4e00\u53f0\uff0c\u5341\u5206\u62a0\u95e8\uff0c\u4e0d\u80af\u52a0\u591a\u670d\u52a1\u5668\u3002\u8fd8\u8981\u6ee1\u8db3\u4ee5\u4e0b\u8981\u6c42\uff1a\u540e\u7aef\u670d\u52a1\u7528Java\u8bed\u8a00\u5f00\u53d1\uff1b\uff08\u6211\u731c\u60f3\u53ef\u80fd\u662f\u4ed6\u6709\u4e2a\u4eb2\u621a\u5c0f\u5b69\u5927\u5b66\u521a\u521a\u6bd5\u4e1a\uff0c\u4ed6\u5e94\u8be5\u4f1a\u4e00\u70b9\u70b9Java\u5427\u3002\u4e0d\u7ba1\u5566\uff0c\u53cd\u6b63\uff0c\u5c06\u6765\u90fd\u662f\u4ed6\u4eb2\u621a\u63a5\u624b\uff0c\u6211\u8d1f\u8d23\u641e\u597d\u7b2c\u4e00\u4e2a\u7248\u672c\u5c31\u884c\u4e86\u3002\u522b\u5230\u65f6\u5019\u7b2c\u4e09\u7248\u53c8\u515c\u515c\u8f6c\u8f6c\u53c8\u56de\u5230\u6211\u624b\u4e0a\u5c31\u884c\uff01\uff09\u524d\u540e\u7aef\u5206\u79bb\uff1b\u6570\u636e\u5e93\u548c\u4e2d\u95f4\u4ef6\u90fd\u5728\u8fd9\u53f0\u53ef\u601c\u670d\u52a1\u5668\uff1b\u8fd8\u6709\u8017\u65f6\u4efb\u52a1\u8981\u5904\u7406\uff1b\u76d1\u63a7\u4e0e\u65e5…<\/p>\n","protected":false},"author":2,"featured_media":26543,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[668,100,43,188,44],"topic":[],"class_list":["post-26544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-668","tag-100","tag-43","tag-188","tag-44"],"yoast_head":"\n
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server.tomcat.max-threads=100:<\/p>\n
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\u8003\u8651\u56e0\u7d20: \u6bcf\u4e2a\u7ebf\u7a0b\u5927\u7ea6\u5360\u7528\u7ea61MB\u5806\u6808\u7a7a\u95f4\u3002\u4e3a\u4e86\u5e73\u8861\u5e76\u53d1\u80fd\u529b\u548c\u5185\u5b58\u4f7f\u7528，\u6211\u4eec\u9700\u8981\u4e3a\u5176\u4ed6\u7ec4\u4ef6\u7559\u51fa\u8db3\u591f\u7684\u5185\u5b58\u3002<\/p>\n<\/li>\n
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server.connection-timeout=10s:<\/p>\n
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- \n
\u8003\u8651\u56e0\u7d20: \u8bbe\u7f6e\u8f83\u77ed\u7684\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u53ef\u4ee5\u51cf\u5c11\u957f\u65f6\u95f4\u6302\u8d77\u7684\u65e0\u6548\u8fde\u63a5，\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<\/li>\n
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MySQL<\/h3>\n
- \n
- \n
max_connections=50:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: \u6bcf\u4e2a\u8fde\u63a5\u9700\u8981\u4e00\u5b9a\u7684\u5185\u5b58\u5f00\u9500\u3002\u57284GB\u5185\u5b58\u4e2d，\u7559\u51fa\u5927\u90e8\u5206\u5185\u5b58\u7ed9\u5e94\u7528\u7a0b\u5e8f\u548c\u5176\u4ed6\u670d\u52a1\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u6839\u636e\u7ecf\u9a8c，\u6bcf\u4e2aMySQL\u8fde\u63a5\u5927\u7ea6\u5360\u7528\u51e0MB\u5185\u5b58\u3002\u5047\u8bbe\u6bcf\u4e2a\u8fde\u63a5\u5360\u75288MB\u5185\u5b58，50\u4e2a\u8fde\u63a5\u5927\u7ea6\u5360\u7528400MB\u5185\u5b58，\u7559\u51fa\u8db3\u591f\u5185\u5b58\u7ed9\u5176\u4ed6\u7ec4\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
innodb_buffer_pool_size=768M:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: InnoDB\u7f13\u51b2\u6c60\u662fMySQL\u6027\u80fd\u7684\u5173\u952e，\u7528\u4e8e\u7f13\u5b58\u6570\u636e\u548c\u7d22\u5f15\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u57284GB\u5185\u5b58\u4e2d，\u5206\u914d768MB\u7ed9InnoDB\u7f13\u51b2\u6c60\u662f\u4e00\u4e2a\u5408\u7406\u7684\u9009\u62e9，\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u7981\u7528\u67e5\u8be2\u7f13\u5b58:<\/p>\n
- \n
- \n
\u539f\u56e0: \u67e5\u8be2\u7f13\u5b58\u5728MySQL 8.0\u4e2d\u5df2\u88ab\u79fb\u9664，\u56e0\u6b64\u4e0d\u9700\u8981\u989d\u5916\u914d\u7f6e\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
Redis<\/h3>\n
- \n
- \n
maxmemory=512M:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: Redis\u4e3b\u8981\u7528\u4e8e\u7f13\u5b58\u6570\u636e，\u5206\u914d\u8db3\u591f\u7684\u5185\u5b58\u4ee5\u5b58\u50a8\u5e38\u7528\u6570\u636e\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u57284GB\u5185\u5b58\u4e2d，\u5206\u914d512MB\u7ed9Redis\u662f\u4e00\u4e2a\u5408\u7406\u7684\u9009\u62e9，\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u5e94\u7528\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
maxmemory-policy=allkeys-lru:<\/p>\n
- \n
- \n
\u539f\u56e0: LRU（Least Recently Used）\u7b56\u7565\u4f1a\u5728\u5185\u5b58\u8fbe\u5230\u4e0a\u9650\u65f6\u79fb\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u952e，\u786e\u4fdd\u7f13\u5b58\u7684\u6709\u6548\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
RabbitMQ<\/h3>\n
- \n
- \n
vm_memory_high_watermark.relative=0.3:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: \u63a7\u5236RabbitMQ\u7684\u5185\u5b58\u4f7f\u7528，\u9632\u6b62\u5185\u5b58\u4e0d\u8db3\u5f71\u54cd\u5176\u4ed6\u670d\u52a1\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u76f8\u5bf9\u5185\u5b58\u6c34\u4f4d\u8bbe\u7f6e\u4e3a0.3\u610f\u5473\u7740\u5f53\u53ef\u7528\u5185\u5b58\u4f4e\u4e8e30%\u65f6，RabbitMQ\u4f1a\u5f00\u59cb\u62d2\u7edd\u65b0\u7684\u6d88\u606f\u53d1\u5e03，\u786e\u4fdd\u6709\u8db3\u591f\u7684\u5185\u5b58\u4f9b\u5176\u4ed6\u7ec4\u4ef6\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
Nginx<\/h3>\n
- \n
- \n
worker_processes=2:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: \u53cc\u6838CPU\u9002\u5408\u8fd0\u884c\u4e24\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u6bcf\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u53ef\u4ee5\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42，\u4e24\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u5145\u5206\u5229\u7528\u53cc\u6838CPU\u7684\u80fd\u529b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
worker_connections=1024:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: \u6bcf\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u53ef\u4ee5\u5904\u7406\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 1024\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9ed8\u8ba4\u503c，\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u3002\u57284GB\u5185\u5b58\u4e2d，\u8fd9\u4e2a\u8bbe\u7f6e\u662f\u5408\u7406\u7684\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
Prometheus & Grafana<\/h3>\n
- \n
- \n
scrape_interval=15s:<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: \u6293\u53d6\u6307\u6807\u7684\u65f6\u95f4\u95f4\u9694，\u8fc7\u77ed\u4f1a\u5f71\u54cd\u6027\u80fd，\u8fc7\u957f\u4f1a\u5bfc\u81f4\u76d1\u63a7\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 15\u79d2\u662f\u4e00\u4e2a\u5408\u7406\u7684\u6298\u8877\u503c，\u65e2\u80fd\u53ca\u65f6\u83b7\u53d6\u6307\u6807，\u53c8\u4e0d\u4f1a\u8fc7\u4e8e\u9891\u7e41\u5730\u6d88\u8017\u8d44\u6e90\u3002<\/p>\n<\/li>\n
- \n
Grafana\u7528\u4e8e\u53ef\u89c6\u5316\u76d1\u63a7\u6570\u636e<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
ELK Stack<\/h3>\n
- \n
- \n
Elasticsearch\u5806\u5185\u5b58 (Xms=256m Xmx=256m):<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: Elasticsearch\u9700\u8981\u8db3\u591f\u7684\u5806\u5185\u5b58\u6765\u9ad8\u6548\u5730\u5904\u7406\u6570\u636e\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: \u5206\u914d256MB\u5806\u5185\u5b58\u7ed9Elasticsearch，\u7559\u51fa\u8db3\u591f\u7684\u5185\u5b58\u7ed9\u5176\u4ed6\u7ec4\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
Logstash\u6279\u5904\u7406\u5927\u5c0f (pipeline.batch.size=125):<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: Logstash\u6279\u5904\u7406\u5927\u5c0f\u51b3\u5b9a\u4e86\u6bcf\u6b21\u5904\u7406\u7684\u65e5\u5fd7\u6570\u91cf\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 125\u662f\u4e00\u4e2a\u5408\u7406\u7684\u6279\u91cf\u5927\u5c0f，\u53ef\u4ee5\u5728\u4e0d\u663e\u8457\u589e\u52a0\u5185\u5b58\u4f7f\u7528\u7684\u60c5\u51b5\u4e0b\u63d0\u9ad8\u5904\u7406\u6548\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
Kibana\u76d1\u542c\u7aef\u53e3 (server.port=5601):<\/p>\n
- \n
- \n
\u8003\u8651\u56e0\u7d20: Kibana\u7684\u9ed8\u8ba4\u76d1\u542c\u7aef\u53e3\u3002<\/p>\n<\/li>\n
- \n
\u8ba1\u7b97: 5601\u662f\u4e00\u4e2a\u6807\u51c6\u7684\u7aef\u53e3\u53f7，\u7528\u4e8e\u8bbf\u95eeKibana\u754c\u9762\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u9884\u4f30\u5185\u5b58<\/h2>\n
\u4ece\u4e0a\u9762\u7684\u914d\u7f6e\u9884\u4f30\u4e00\u4e0b\u5185\u5b58\u662f\u5426\u8d85\u8fc7\u4e864GB？<\/p>\n
\u8ba1\u7b97\u5982\u4e0b：\u00a0<\/p>\n
Spring Boot Tomcat Threads: 100 threads * 1MB\/thread = 100MB\u00a0<\/p>\n
MySQL Connections: 50 connections * 8MB\/connection = 400MB\u00a0<\/p>\n
MySQL InnoDB Buffer Pool: 768MB\u00a0<\/p>\n
Redis: 512MB\u00a0<\/p>\n
RabbitMQ: 100MB (\u5927\u6982\u4f30\u4e00\u4e0b\u800c\u5df2)\u00a0<\/p>\n
Nginx: 4MB (\u7528\u4e8e2\u4e2a\u5de5\u4f5c\u8fdb\u7a0b，\u6bcf\u4e2a\u8fdb\u7a0b\u67091024\u4e2a\u8fde\u63a5)\u00a0<\/p>\n
Prometheus: \u5185\u5b58\u4f7f\u7528\u7387\u6781\u4f4e，\u76f8\u6bd4\u4e4b\u4e0b\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u00a0<\/p>\n
Elasticsearch: 256MB (\u521d\u59cb\u5806\u5927\u5c0f\u548c\u6700\u5927\u5806\u5927\u5c0f)\u00a0<\/p>\n
Logstash: \u5185\u5b58\u4f7f\u7528\u7387\u6781\u4f4e，\u76f8\u6bd4\u4e4b\u4e0b\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u00a0<\/p>\n
Kibana: \u5185\u5b58\u4f7f\u7528\u7387\u6781\u4f4e，\u76f8\u6bd4\u4e4b\u4e0b\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1<\/p>\n
\u603b\u8ba1\u7ea6\u4e3a:<\/h3>\n
100MB+400MB+768MB+512MB+100MB+4MB+256MB=2140MB \u2248 2.14GB<\/p>\n
\u4ecd\u7136\u5728 4GB \u7684\u5185\u5b58\u9650\u5236\u8303\u56f4\u5185，\u786e\u4fdd\u7cfb\u7edf\u6709\u8db3\u591f\u7684\u5185\u5b58\u6765\u8fd0\u884c\u6240\u6709\u7ec4\u4ef6\u3002<\/p>\n
\u540e\u7aef<\/h2>\n
pom.xml<\/h3>\n
<?xml version="1.0"\u00a0encoding="UTF-8"?>
\n<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0"
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0xsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd">
\n\u00a0 \u00a0 <modelVersion>4.0.0<\/modelVersion>
\n\u00a0 \u00a0 <parent>
\n\u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-parent<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <version>2.7.5<\/version>
\n\u00a0 \u00a0 \u00a0 \u00a0 <relativePath\/> <!– lookup parent from repository –>
\n\u00a0 \u00a0 <\/parent>
\n\u00a0 \u00a0 <groupId>com.example<\/groupId>
\n\u00a0 \u00a0 <artifactId>demo<\/artifactId>
\n\u00a0 \u00a0 <version>0.0.1-SNAPSHOT<\/version>
\n\u00a0 \u00a0 <name>demo<\/name>
\n\u00a0 \u00a0 <description>Demo project\u00a0for\u00a0Spring Boot<\/description>
\n\u00a0 \u00a0 <properties>
\n\u00a0 \u00a0 \u00a0 \u00a0 <java.version>11<\/java.version>
\n\u00a0 \u00a0 <\/properties>
\n\u00a0 \u00a0 <dependencies>
\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Spring Boot Starter Web –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-web<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Spring Boot Starter Data JPA –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-data-jpa<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– MySQL Connector –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>mysql<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>mysql-connector-java<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <scope>runtime<\/scope>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Redis –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-data-redis<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– RabbitMQ –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-amqp<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Actuator\u00a0for\u00a0Monitoring –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-actuator<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Micrometer Prometheus Integration –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>io.micrometer<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>micrometer-registry-prometheus<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Spring Boot DevTools\u00a0for\u00a0Development –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-devtools<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <scope>runtime<\/scope>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <optional>true<\/optional>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 <!– Test Dependencies –>
\n\u00a0 \u00a0 \u00a0 \u00a0 <dependency>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-starter-test<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <scope>test<\/scope>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/dependency>
\n\u00a0 \u00a0 <\/dependencies><\/p>\n\u00a0 \u00a0 <build>
\n\u00a0 \u00a0 \u00a0 \u00a0 <plugins>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <plugin>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <groupId>org.springframework.boot<\/groupId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <artifactId>spring-boot-maven-plugin<\/artifactId>
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/plugin>
\n\u00a0 \u00a0 \u00a0 \u00a0 <\/plugins>
\n\u00a0 \u00a0 <\/build>
\n<\/project> <\/p>\nsrc\/main\/resources\/application.properties<\/h3>\n
# \u670d\u52a1\u5668\u914d\u7f6e
\nserver.port=8080\u00a0# \u8bbe\u7f6e\u670d\u52a1\u5668\u7aef\u53e3\u4e3a8080
\nserver.tomcat.max-threads=100\u00a0# \u6bcf\u4e2a\u7ebf\u7a0b\u5927\u7ea6\u5360\u7528\u7ea61MB\u5806\u6808\u7a7a\u95f4，4GB\u5185\u5b58\u4e2d\u7559\u51fa2.5GB\u7528\u4e8e\u5176\u4ed6\u670d\u52a1，\u5269\u4e0b1.5GB\u53ef\u7528\u4e8eTomcat\u7ebf\u7a0b\u6c60
\nserver.connection-timeout=10s\u00a0# \u8bbe\u7f6e\u8f83\u77ed\u7684\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u53ef\u4ee5\u51cf\u5c11\u957f\u65f6\u95f4\u6302\u8d77\u7684\u65e0\u6548\u8fde\u63a5，\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387<\/p>\n# \u6570\u636e\u5e93\u914d\u7f6e
\nspring.datasource.url=jdbc:mysql:\/\/localhost:3306\/mydatabase?useSSL=false&serverTimezone=UTC\u00a0# \u6570\u636e\u5e93\u8fde\u63a5URL
\nspring.datasource.username=root\u00a0# \u6570\u636e\u5e93\u7528\u6237\u540d
\nspring.datasource.password=password\u00a0# \u6570\u636e\u5e93\u5bc6\u7801
\nspring.jpa.hibernate.ddl-auto=update\u00a0# \u81ea\u52a8\u66f4\u65b0\u6570\u636e\u5e93\u6a21\u5f0f
\nspring.jpa.show-sql=true# \u663e\u793aSQL\u8bed\u53e5
\nspring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect\u00a0# \u4f7f\u7528MySQL InnoDB\u65b9\u8a00<\/p>\n# Redis\u914d\u7f6e
\nspring.redis.host=localhost\u00a0# Redis\u4e3b\u673a\u5730\u5740
\nspring.redis.port=6379\u00a0# Redis\u7aef\u53e3\u53f7<\/p>\n# RabbitMQ\u914d\u7f6e
\nspring.rabbitmq.host=localhost\u00a0# RabbitMQ\u4e3b\u673a\u5730\u5740
\nspring.rabbitmq.port=5672\u00a0# RabbitMQ\u7aef\u53e3\u53f7
\nspring.rabbitmq.username=guest\u00a0# RabbitMQ\u7528\u6237\u540d
\nspring.rabbitmq.password=guest\u00a0# RabbitMQ\u5bc6\u7801<\/p>\n# Actuator\u548cPrometheus\u914d\u7f6e
\nmanagement.endpoints.web.exposure.include=*\u00a0# \u66b4\u9732\u6240\u6709Actuator\u7aef\u70b9
\nmanagement.endpoint.health.show-details=always\u00a0# \u59cb\u7ec8\u663e\u793a\u5065\u5eb7\u68c0\u67e5\u8be6\u60c5
\nmanagement.metrics.export.prometheus.enabled=true# \u542f\u7528Prometheus\u6307\u6807\u5bfc\u51fa <\/p>\nJava\u4ee3\u7801<\/h3>\n
\u7b80\u5355\u641e\u641e\u4e00\u4e2aSpring Boot\u5e94\u7528\u7c7b\u3001\u63a7\u5236\u5668\u7c7b\u4ee5\u53ca\u6d88\u606f\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005，\u80fd\u8d77\u5230\u6559\u80b2\u5206\u4eab\u4f5c\u7528\u5c31\u884c\u4e86\u3002\u5927\u5bb6\u60f3\u8c61\u4e00\u4e0b\u5c31\u884c\u5566\u3002<\/p>\n
package com.example.demo;<\/p>\n
import org.springframework.amqp.core.Queue;
\nimport org.springframework.amqp.rabbit.core.RabbitTemplate;
\nimport org.springframework.beans.factory.annotation.Autowired;
\nimport org.springframework.boot.SpringApplication;
\nimport org.springframework.boot.autoconfigure.SpringBootApplication;
\nimport org.springframework.context.annotation.Bean;
\nimport org.springframework.stereotype.Component;
\nimport org.springframework.web.bind.annotation.GetMapping;
\nimport org.springframework.web.bind.annotation.RequestParam;
\nimport org.springframework.web.bind.annotation.RestController;<\/p>\n@SpringBootApplication
\npublic class DemoApplication {<\/p>\n\u00a0 \u00a0 @Autowired
\n\u00a0 \u00a0 private RabbitTemplate rabbitTemplate;<\/p>\n\u00a0 \u00a0 public static void main(String[] args) {
\n\u00a0 \u00a0 \u00a0 \u00a0 SpringApplication.run(DemoApplication.class, args);
\n\u00a0 \u00a0 }<\/p>\n\u00a0 \u00a0 @Bean
\n\u00a0 \u00a0 public Queue\u00a0queue() {
\n\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0new Queue("tasks",\u00a0false); \/\/ \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a"tasks"\u7684\u961f\u5217
\n\u00a0 \u00a0 }<\/p>\n\u00a0 \u00a0 @RestController
\n\u00a0 \u00a0 class HelloController {
\n\u00a0 \u00a0 \u00a0 \u00a0 @GetMapping("\/hello")
\n\u00a0 \u00a0 \u00a0 \u00a0 public String sayHello(@RequestParam String name) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 rabbitTemplate.convertAndSend("tasks",\u00a0"Hello, "\u00a0+ name +\u00a0"!"); \/\/ \u53d1\u9001\u6d88\u606f\u5230\u961f\u5217
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0return"Message sent to queue!";
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }<\/p>\n\u00a0 \u00a0 \/\/ Example Consumer
\n\u00a0 \u00a0 @Component
\n\u00a0 \u00a0 class MessageConsumer {
\n\u00a0 \u00a0 \u00a0 \u00a0 @RabbitListener(queues =\u00a0"tasks")
\n\u00a0 \u00a0 \u00a0 \u00a0 public void receiveMessage(String message) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 System.out.println("Received message: "\u00a0+ message); \/\/ \u6253\u5370\u63a5\u6536\u5230\u7684\u6d88\u606f
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ Process the message here (e.g., send email, SMS)
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }
\n} <\/p>\n\u524d\u7aef (React.js)<\/h2>\n
\u7b80\u5355\u4f8b\u5b50\u4f5c\u7528\u662f\u5c55\u793a\u524d\u7aef\u8c03\u7528\u540e\u7aefAPI\u3002<\/p>\n
import React, { useEffect, useState } from\u00a0'react';
\nimport axios from\u00a0'axios';<\/p>\nfunctionApp() {
\n\u00a0 const [message, setMessage] = useState('');<\/p>\n\u00a0 useEffect(() => {
\n\u00a0 \u00a0 axios.get('\/api\/hello?name=World') \/\/ \u8c03\u7528\u540e\u7aefAPI
\n\u00a0 \u00a0 \u00a0 .then(response => {
\n\u00a0 \u00a0 \u00a0 \u00a0 setMessage(response.data); \/\/ \u66f4\u65b0\u72b6\u6001
\n\u00a0 \u00a0 \u00a0 })
\n\u00a0 \u00a0 \u00a0 .catch(error => {
\n\u00a0 \u00a0 \u00a0 \u00a0 console.error('There was an error fetching the message!', error); \/\/ \u9519\u8bef\u5904\u7406
\n\u00a0 \u00a0 \u00a0 });
\n\u00a0 }, []);<\/p>\nreturn\u00a0(
\n\u00a0 \u00a0 <div className="App">
\n\u00a0 \u00a0 \u00a0 <header className="App-header">
\n\u00a0 \u00a0 \u00a0 \u00a0 <h1>{message}<\/h1> {\/* \u663e\u793a\u6d88\u606f *\/}
\n\u00a0 \u00a0 \u00a0 <\/header>
\n\u00a0 \u00a0 <\/div>
\n\u00a0 );
\n}<\/p>\nexport\u00a0default App; <\/p>\n
Nginx\u914d\u7f6e<\/h2>\n
\u7528\u4e8e\u4ee3\u7406\u8bf7\u6c42\u5230Spring Boot\u5e94\u7528\u548c\u63d0\u4f9b\u9759\u6001\u6587\u4ef6\u670d\u52a1\u3002<\/p>\n
user nginx;\u00a0# \u4f7f\u7528nginx\u7528\u6237\u8fd0\u884cNginx
\nworker_processes 2;\u00a0# \u53cc\u6838CPU\u9002\u5408\u8fd0\u884c\u4e24\u4e2a\u5de5\u4f5c\u8fdb\u7a0b
\npid \/run\/nginx.pid;\u00a0# PID\u6587\u4ef6\u8def\u5f84<\/p>\nevents {
\n\u00a0 \u00a0 worker_connections 1024;\u00a0# \u6bcf\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u53ef\u4ee5\u5904\u7406\u7684\u6700\u5927\u8fde\u63a5\u6570
\n}<\/p>\nhttp {
\n\u00a0 \u00a0 include \/etc\/nginx\/mime.types;\u00a0# \u5305\u542bMIME\u7c7b\u578b\u5b9a\u4e49
\n\u00a0 \u00a0 default_type application\/octet-stream;\u00a0# \u9ed8\u8ba4MIME\u7c7b\u578b<\/p>\n\u00a0 \u00a0 sendfile on;\u00a0# \u5f00\u542fsendfile\u4ee5\u63d0\u9ad8\u6027\u80fd
\n\u00a0 \u00a0 keepalive_timeout 65;\u00a0# \u4fdd\u6301\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4<\/p>\n\u00a0 \u00a0 server {
\n\u00a0 \u00a0 \u00a0 \u00a0 listen 80;\u00a0# \u76d1\u542c80\u7aef\u53e3
\n\u00a0 \u00a0 \u00a0 \u00a0 server_name yourdomain.com;\u00a0# \u670d\u52a1\u5668\u540d\u79f0<\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 location \/api\/ {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_pass http:\/\/localhost:8080\/;\u00a0# \u5c06\/api\/\u8def\u5f84\u7684\u8bf7\u6c42\u4ee3\u7406\u5230Spring Boot\u5e94\u7528
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header Host\u00a0$host;\u00a0# \u8bbe\u7f6e\u8f6c\u53d1\u8bf7\u6c42\u5934
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header X-Real-IP\u00a0$remote_addr;\u00a0# \u8bbe\u7f6e\u771f\u5b9eIP
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header X-Forwarded-For\u00a0$proxy_add_x_forwarded_for;\u00a0# \u8bbe\u7f6e\u8f6c\u53d1\u94fe\u8def\u4fe1\u606f
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 proxy_set_header X-Forwarded-Proto\u00a0$scheme;\u00a0# \u8bbe\u7f6e\u534f\u8bae\u4fe1\u606f
\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 location \/ {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 root \/var\/www\/html;\u00a0# \u9759\u6001\u6587\u4ef6\u6839\u76ee\u5f55
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 index index.html;\u00a0# \u9ed8\u8ba4\u7d22\u5f15\u6587\u4ef6
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 try_files\u00a0$uri$uri\/ \/index.html;\u00a0# \u5c1d\u8bd5\u5339\u914d\u6587\u4ef6\u6216\u91cd\u5b9a\u5411\u5230index.html
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }
\n} <\/p>\nMySQL\u914d\u7f6e (my.cnf)<\/h2>\n
[mysqld]
\nbind-address = 127.0.0.1\u00a0# \u7ed1\u5b9a\u5230\u672c\u5730\u5730\u5740
\nport = 3306\u00a0# MySQL\u7aef\u53e3\u53f7<\/p>\ndefault-storage-engine = InnoDB\u00a0# \u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\u4e3aInnoDB
\ncharacter-set-server = utf8mb4\u00a0# \u5b57\u7b26\u96c6\u8bbe\u7f6e\u4e3autf8mb4
\ncollation-server = utf8mb4_unicode_ci\u00a0# \u6392\u5e8f\u89c4\u5219\u8bbe\u7f6e\u4e3autf8mb4_unicode_ci<\/p>\nmax_connections = 50\u00a0# \u6700\u5927\u8fde\u63a5\u6570，\u6bcf\u4e2a\u8fde\u63a5\u5927\u7ea6\u5360\u7528\u51e0MB\u5185\u5b58
\ninnodb_buffer_pool_size = 768M\u00a0# InnoDB\u7f13\u51b2\u6c60\u5927\u5c0f，\u7528\u4e8e\u7f13\u5b58\u6570\u636e\u548c\u7d22\u5f15
\nthread_cache_size = 8\u00a0# \u7ebf\u7a0b\u7f13\u5b58\u5927\u5c0f，\u51cf\u5c11\u7ebf\u7a0b\u521b\u5efa\u5f00\u9500
\nquery_cache_type = 0\u00a0# \u7981\u7528\u67e5\u8be2\u7f13\u5b58（MySQL 8.0\u4e2d\u5df2\u88ab\u79fb\u9664）
\nquery_cache_size = 0\u00a0# \u67e5\u8be2\u7f13\u5b58\u5927\u5c0f\u8bbe\u7f6e\u4e3a0<\/p>\nlog_error = \/var\/log\/mysql\/error.log\u00a0# \u9519\u8bef\u65e5\u5fd7\u8def\u5f84
\nslow_query_log = 1\u00a0# \u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7
\nslow_query_log_file = \/var\/log\/mysql\/slow-query.log\u00a0# \u6162\u67e5\u8be2\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84
\nlong_query_time = 2\u00a0# \u6162\u67e5\u8be2\u9608\u503c，\u8d85\u8fc72\u79d2\u7684\u67e5\u8be2\u4f1a\u88ab\u8bb0\u5f55 <\/p>\nRedis\u914d\u7f6e (redis.conf)<\/h2>\n
bind\u00a0127.0.0.1\u00a0# \u7ed1\u5b9a\u5230\u672c\u5730\u5730\u5740
\nport 6379\u00a0# Redis\u7aef\u53e3\u53f7<\/p>\ndaemonize yes\u00a0# \u4ee5\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b\u65b9\u5f0f\u8fd0\u884c
\nsupervised systemd\u00a0# \u4f7f\u7528systemd\u7ba1\u7406<\/p>\npidfile \/var\/run\/redis_6379.pid\u00a0# PID\u6587\u4ef6\u8def\u5f84
\nlogfile \/var\/log\/redis\/redis-server.log\u00a0# \u65e5\u5fd7\u6587\u4ef6\u8def\u5f84<\/p>\ndatabases 16\u00a0# \u6570\u636e\u5e93\u6570\u91cf<\/p>\n
save 900 1\u00a0# \u6bcf900\u79d2\u81f3\u5c11\u4fdd\u5b581\u6b21\u66f4\u6539
\nsave 300 10\u00a0# \u6bcf300\u79d2\u81f3\u5c11\u4fdd\u5b5810\u6b21\u66f4\u6539
\nsave 60 10000\u00a0# \u6bcf60\u79d2\u81f3\u5c11\u4fdd\u5b5810000\u6b21\u66f4\u6539<\/p>\nstop-writes-on-bgsave-error no\u00a0# \u540e\u53f0\u4fdd\u5b58\u9519\u8bef\u65f6\u4e0d\u505c\u6b62\u5199\u64cd\u4f5c<\/p>\n
rdbcompression yes\u00a0# \u542f\u7528RDB\u5feb\u7167\u538b\u7f29<\/p>\n
dir \/var\/lib\/redis\u00a0# \u6570\u636e\u76ee\u5f55<\/p>\n
maxmemory 512M\u00a0# \u6700\u5927\u5185\u5b58\u4f7f\u7528\u91cf
\nmaxmemory-policy allkeys-lru\u00a0# \u5185\u5b58\u8fbe\u5230\u4e0a\u9650\u65f6\u4f7f\u7528LRU\u7b56\u7565\u79fb\u9664\u952e <\/p>\nRabbitMQ\u914d\u7f6e<\/h2>\n
[
\n\u00a0 {rabbit, [
\n\u00a0 \u00a0 {vm_memory_high_watermark_relative, 0.3}, % \u76f8\u5bf9\u5185\u5b58\u6c34\u4f4d\u8bbe\u7f6e\u4e3a0.3，\u5f53\u53ef\u7528\u5185\u5b58\u4f4e\u4e8e30%\u65f6\u5f00\u59cb\u62d2\u7edd\u65b0\u6d88\u606f\u53d1\u5e03
\n\u00a0 \u00a0 {disk_free_limit, {mem_relative, 0.2}}, % \u78c1\u76d8\u7a7a\u95f4\u9650\u5236\u4e3a\u5185\u5b58\u768420%
\n\u00a0 \u00a0 {tcp_listen_options, [binary, {packet, raw}, {reuseaddr,\u00a0true}, {backlog, 128}, {nodelay,\u00a0true}]} % TCP\u76d1\u542c\u9009\u9879
\n\u00a0 ]}
\n]. <\/p>\nPrometheus\u914d\u7f6e (prometheus.yml)<\/h2>\n
global:
\n\u00a0 scrape_interval: 15s\u00a0# \u6293\u53d6\u6307\u6807\u7684\u65f6\u95f4\u95f4\u9694\u4e3a15\u79d2<\/p>\nscrape_configs:
\n\u00a0 – job_name:\u00a0'spring-boot'
\n\u00a0 \u00a0 metrics_path:\u00a0'\/actuator\/prometheus'\u00a0# \u6307\u6807\u8def\u5f84
\n\u00a0 \u00a0 static_configs:
\n\u00a0 \u00a0 \u00a0 – targets: ['localhost:8080']\u00a0# \u76ee\u6807\u5730\u5740 <\/p>\nELK Stack\u914d\u7f6e<\/h2>\n
Elasticsearch (elasticsearch.yml)<\/h3>\n
cluster.name:\u00a0my-application# \u96c6\u7fa4\u540d\u79f0
\nnode.name:node-1# \u8282\u70b9\u540d\u79f0
\nnetwork.host:127.0.0.1# \u7ed1\u5b9a\u5230\u672c\u5730\u5730\u5740
\nhttp.port:9200# HTTP\u7aef\u53e3\u53f7
\ndiscovery.type:single-node# \u5355\u8282\u70b9\u96c6\u7fa4
\nbootstrap.memory_lock:true# \u9501\u5b9aJVM\u5185\u5b58
\nxpack.security.enabled:false# \u5173\u95ed\u5b89\u5168\u7279\u6027<\/p>\npath.logs:\/var\/log\/elasticsearch# \u65e5\u5fd7\u8def\u5f84
\npath.data:\/var\/lib\/elasticsearch# \u6570\u636e\u8def\u5f84<\/p>\nindices.query.bool.max_clause_count:1024# \u6700\u5927\u5e03\u5c14\u5b50\u53e5\u6570<\/p>\n
jvm.options:
\n-Xms256m# JVM\u521d\u59cb\u5806\u5185\u5b58
\n-Xmx256m# JVM\u6700\u5927\u5806\u5185\u5b58 <\/p>\nLogstash (logstash.conf)<\/h3>\n
input {
\n\u00a0 file {
\n\u00a0 \u00a0 path => "\/var\/log\/application\/*.log" # \u8f93\u5165\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84
\n\u00a0 \u00a0 start_position => "beginning" # \u4ece\u6587\u4ef6\u5f00\u5934\u8bfb\u53d6
\n\u00a0 }
\n}<\/p>\noutput {
\n\u00a0 elasticsearch {
\n\u00a0 \u00a0 hosts => ["http:\/\/localhost:9200"] # Elasticsearch\u4e3b\u673a\u5730\u5740
\n\u00a0 \u00a0 index => "application-logs-%{+YYYY.MM.dd}" # \u7d22\u5f15\u6a21\u677f
\n\u00a0 }
\n} <\/p>\nKibana (kibana.yml)<\/h3>\n
server.host:\u00a0"0.0.0.0"\u00a0# \u76d1\u542c\u6240\u6709\u7f51\u7edc\u63a5\u53e3
\nserver.port:\u00a05601\u00a0# \u76d1\u542c\u7aef\u53e3\u53f7
\nelasticsearch.hosts:\u00a0["http:\/\/localhost:9200"]\u00a0# Elasticsearch\u4e3b\u673a\u5730\u5740
\nmonitoring.ui.container.elasticsearch.enabled:\u00a0false\u00a0# \u5173\u95ed\u5bb9\u5668\u76d1\u63a7
\nlogging.verbose:\u00a0false\u00a0# \u4e0d\u542f\u7528\u8be6\u7ec6\u65e5\u5fd7 <\/p>\n\u5173\u6ce8\u6211，\u9001Java\u798f\u5229<\/h2>\n
\/**
\n\u00a0* \u8fd9\u6bb5\u4ee3\u7801\u53ea\u6709Java\u5f00\u53d1\u8005\u624d\u80fd\u770b\u5f97\u61c2！
\n\u00a0* \u5173\u6ce8\u6211\u5fae\u4fe1\u516c\u4f17\u53f7\u4e4b\u540e，
\n\u00a0* \u53d1\u9001:"666"，
\n\u00a0* \u5373\u53ef\u83b7\u5f97\u4e00\u672c\u7531Java\u5927\u795e\u4e00\u624b\u9762\u8bd5\u7ecf\u9a8c\u8bda\u610f\u51fa\u54c1
\n\u00a0* \u300aJava\u5f00\u53d1\u8005\u9762\u8bd5\u767e\u5b9d\u4e66\u300bPdf\u7535\u5b50\u4e66
\n\u00a0* \u798f\u5229\u622a\u6b62\u65e5\u671f\u4e3a2025\u5e7401\u670830\u65e5\u6b62
\n\u00a0* \u624b\u5feb\u6709\u624b\u6162\u6ca1！！！
\n*\/
\nSystem.out.println("\u8bf7\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7：");
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